commit b9ca7e2338880351537bc3873fa56b9404c5d480
Author: Nite07 <admin@nite07.com>
Date:   Tue Sep 24 18:17:11 2024 +0800

    🎉

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3448526
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+.idea
+.vscode
+.VSCodeCounter
+dist
+logs
+docs
+*test.go
+deploy.sh
+config.json
+organize.json
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..2764916
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,17 @@
+FROM golang:1.21-alpine AS builder
+LABEL authors="Nite07"
+
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN go install github.com/swaggo/swag/cmd/swag@latest
+RUN swag init
+RUN CGO_ENABLED=0 GOOS=linux go build -o pcgamedb .
+
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/pcgamedb /app/pcgamedb
+
+ENTRYPOINT ["/app/pcgamedb", "server"]
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2a81ff9
--- /dev/null
+++ b/README.md
@@ -0,0 +1,40 @@
+# pcgamedb
+
+pcgamedb is a powerful command-line tool designed to scrape and manage repack game data from various online sources. With support for multiple data sources and the ability to provide a RESTful API.
+
+## Features
+
+- **Data Sources**:
+
+  - Fitgirl
+  - KaOSKrew
+  - DODI
+  - ~~FreeGOG~~
+  - GOGGames
+  - OnlineFix
+  - Xatab
+  - ~~ARMGDDN~~
+  - SteamRIP
+  - Chovka
+
+- **Database**:
+
+  - Stores game data in MongoDB
+  - Supports Redis for caching to improve performance
+
+- **RESTful API**:
+  - Provides an API for external access to the game data
+
+## Usage
+
+run `go run . help`.
+
+## Configuration
+
+Edit the `config.json` file to set up your environment or set system environment variables.
+
+Read `/config/config.go` for more details.
+
+## Api Doc
+
+Read `http://127.0.0.1:<port>/swagger/index.html` for more details.
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..1d0d44f
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,4 @@
+go install github.com/swaggo/swag/cmd/swag@latest
+swag init
+CGO_ENABLED=0
+go build -o gamedb .
diff --git a/cache/redis.go b/cache/redis.go
new file mode 100644
index 0000000..c04145f
--- /dev/null
+++ b/cache/redis.go
@@ -0,0 +1,83 @@
+package cache
+
+import (
+	"context"
+	"fmt"
+	"pcgamedb/config"
+	"pcgamedb/log"
+	"sync"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+)
+
+var cache *redis.Client
+var mutx = &sync.RWMutex{}
+
+func connect() {
+	if !config.Config.RedisAvaliable {
+		return
+	}
+	cache = redis.NewClient(&redis.Options{
+		Addr:     fmt.Sprintf("%s:%d", config.Config.Redis.Host, config.Config.Redis.Port),
+		Password: config.Config.Redis.Password,
+		DB:       config.Config.Redis.DBIndex,
+	})
+	err := HealthCheck()
+	if err != nil {
+		log.Logger.Panic("Cannot connect to redis")
+	}
+	log.Logger.Info("Connected to redis")
+}
+
+func CheckConnect() {
+	mutx.RLock()
+	if cache != nil {
+		mutx.RUnlock()
+		return
+	}
+	mutx.RUnlock()
+
+	mutx.Lock()
+	if cache == nil {
+		connect()
+	}
+	mutx.Unlock()
+}
+
+func HealthCheck() error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	result, err := cache.Ping(ctx).Result()
+	if err != nil {
+		return err
+	}
+	if result != "PONG" {
+		return fmt.Errorf("unexpected response from Redis: %s", result)
+	}
+	return nil
+}
+
+func Get(key string) (string, bool) {
+	CheckConnect()
+	ctx := context.Background()
+	value, err := cache.Get(ctx, key).Result()
+	if err != nil {
+		return "", false
+	}
+	return value, true
+}
+
+func Add(key string, value interface{}) error {
+	CheckConnect()
+	ctx := context.Background()
+	cmd := cache.Set(ctx, key, value, 7*24*time.Hour)
+	return cmd.Err()
+}
+
+func AddWithExpire(key string, value interface{}, expire time.Duration) error {
+	CheckConnect()
+	ctx := context.Background()
+	cmd := cache.Set(ctx, key, value, expire)
+	return cmd.Err()
+}
diff --git a/cmd/clean.go b/cmd/clean.go
new file mode 100644
index 0000000..fad92ae
--- /dev/null
+++ b/cmd/clean.go
@@ -0,0 +1,21 @@
+package cmd
+
+import (
+	"pcgamedb/log"
+	"pcgamedb/task"
+
+	"github.com/spf13/cobra"
+)
+
+var cleanCmd = &cobra.Command{
+	Use:   "clean",
+	Long:  "Clean database",
+	Short: "Clean database",
+	Run: func(cmd *cobra.Command, args []string) {
+		task.Clean(log.Logger)
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(cleanCmd)
+}
diff --git a/cmd/crawl.go b/cmd/crawl.go
new file mode 100644
index 0000000..1232854
--- /dev/null
+++ b/cmd/crawl.go
@@ -0,0 +1,140 @@
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"pcgamedb/crawler"
+	"pcgamedb/log"
+	"pcgamedb/utils"
+	"strconv"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+var crawlCmd = &cobra.Command{
+	Use:   "crawl",
+	Long:  "Crawl games from specific platforms",
+	Short: "Crawl games from specific platforms",
+	Run:   crawlRun,
+}
+
+type CrawlCommandConfig struct {
+	Source string
+	Page   string
+	All    bool
+	Num    int
+}
+
+var crawlCmdCfg CrawlCommandConfig
+
+var crawlerMap = map[string]crawler.Crawler{}
+
+func init() {
+	crawlerMap = crawler.BuildCrawlerMap(log.Logger)
+	allCrawlerBuilder := strings.Builder{}
+	paginationCrwalerBuilder := strings.Builder{}
+	noPaginationCrawlerBuilder := strings.Builder{}
+	for k, v := range crawlerMap {
+		allCrawlerBuilder.WriteString(k)
+		allCrawlerBuilder.WriteString(",")
+		if _, ok := v.(crawler.PagedCrawler); ok {
+			paginationCrwalerBuilder.WriteString(k)
+			paginationCrwalerBuilder.WriteString(",")
+		} else if _, ok := v.(crawler.SimpleCrawler); ok {
+			noPaginationCrawlerBuilder.WriteString(k)
+			noPaginationCrawlerBuilder.WriteString(",")
+		}
+	}
+	crawlCmd.Flags().StringVarP(&crawlCmdCfg.Source, "source", "s", "", fmt.Sprintf("source to crawl (%s)", strings.Trim(allCrawlerBuilder.String(), ",")))
+	crawlCmd.Flags().StringVarP(&crawlCmdCfg.Page, "pages", "p", "1", fmt.Sprintf("pages to crawl (1,2,3 or 1-3) (%s)", strings.Trim(paginationCrwalerBuilder.String(), ",")))
+	crawlCmd.Flags().BoolVarP(&crawlCmdCfg.All, "all", "a", false, "crawl all page")
+	crawlCmd.Flags().IntVarP(&crawlCmdCfg.Num, "num", "n", -1, fmt.Sprintf("number of items to process (%s)", strings.Trim(noPaginationCrawlerBuilder.String(), ",")))
+	RootCmd.AddCommand(crawlCmd)
+}
+
+func crawlRun(cmd *cobra.Command, args []string) {
+	crawlCmdCfg.Source = strings.ToLower(crawlCmdCfg.Source)
+
+	if crawlCmdCfg.Source == "" {
+		log.Logger.Error("Source is required")
+		return
+	}
+
+	item, ok := crawlerMap[crawlCmdCfg.Source]
+	if !ok {
+		log.Logger.Error("Invalid source", zap.String("source", crawlCmdCfg.Source))
+		return
+	}
+
+	if c, ok := item.(crawler.PagedCrawler); ok {
+		if crawlCmdCfg.All {
+			_, err := c.CrawlAll()
+			if err != nil {
+				log.Logger.Error("Crawl error", zap.Error(err))
+				return
+			}
+		} else {
+			pages, err := pagination(crawlCmdCfg.Page)
+			if err != nil {
+				log.Logger.Error("Invalid page", zap.String("page", crawlCmdCfg.Page))
+				return
+			}
+			_, err = c.CrawlMulti(pages)
+			if err != nil {
+				log.Logger.Error("Crawl error", zap.Error(err))
+				return
+			}
+		}
+	} else if c, ok := item.(crawler.SimpleCrawler); ok {
+		if crawlCmdCfg.All {
+			_, err := c.CrawlAll()
+			if err != nil {
+				log.Logger.Error("Crawl error", zap.Error(err))
+				return
+			}
+		} else {
+			_, err := c.Crawl(crawlCmdCfg.Num)
+			if err != nil {
+				log.Logger.Error("Crawl error", zap.Error(err))
+				return
+			}
+		}
+	}
+}
+
+func pagination(pageStr string) ([]int, error) {
+	if pageStr == "" {
+		return nil, errors.New("empty page")
+	}
+	var pages []int
+	pageSlice := strings.Split(pageStr, ",")
+	for i := 0; i < len(pageSlice); i++ {
+		if strings.Contains(pageSlice[i], "-") {
+			pageRange := strings.Split(pageSlice[i], "-")
+			start, err := strconv.Atoi(pageRange[0])
+			if err != nil {
+				return nil, err
+			}
+			end, err := strconv.Atoi(pageRange[1])
+			if err != nil {
+				return nil, err
+			}
+			if start > end {
+				return nil, err
+			}
+			for j := start; j <= end; j++ {
+				pages = append(pages, j)
+			}
+		} else {
+			p, err := strconv.Atoi(pageSlice[i])
+			if err != nil {
+				log.Logger.Error("Invalid page", zap.String("page", pageSlice[i]))
+				return nil, err
+			}
+			pages = append(pages, p)
+		}
+	}
+	return utils.Unique(pages), nil
+}
diff --git a/cmd/format.go b/cmd/format.go
new file mode 100644
index 0000000..6a1a7e7
--- /dev/null
+++ b/cmd/format.go
@@ -0,0 +1,137 @@
+package cmd
+
+import (
+	"pcgamedb/crawler"
+	"pcgamedb/db"
+	"pcgamedb/log"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+var formatCmd = &cobra.Command{
+	Use:   "format",
+	Short: "Format game downloads name by formatter",
+	Long:  "Format game downloads name by formatter",
+	Run:   formatRun,
+}
+
+type FormatCommandConfig struct {
+	Source string
+}
+
+var formatCmdCfg FormatCommandConfig
+
+func init() {
+	formatCmd.Flags().StringVarP(&formatCmdCfg.Source, "source", "s", "", "source to fix (fitgirl/dodi/kaoskrew/freegog/xatab/onlinefix/armgddn)")
+	RootCmd.AddCommand(formatCmd)
+}
+
+func formatRun(cmd *cobra.Command, args []string) {
+	formatCmdCfg.Source = strings.ToLower(formatCmdCfg.Source)
+	switch formatCmdCfg.Source {
+	case "dodi":
+		items, err := db.GetDODIGameDownloads()
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+			return
+		}
+		for _, item := range items {
+			oldName := item.Name
+			item.Name = crawler.DODIFormatter(item.RawName)
+			if oldName != item.Name {
+				log.Logger.Info("Fix name", zap.String("old", oldName), zap.String("raw", item.RawName), zap.String("name", item.Name))
+				err := db.SaveGameDownload(item)
+				if err != nil {
+					log.Logger.Error("Failed to update item", zap.Error(err))
+				}
+			}
+		}
+	case "kaoskrew":
+		items, err := db.GetKaOsKrewGameDownloads()
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+			return
+		}
+		for _, item := range items {
+			oldName := item.Name
+			item.Name = crawler.KaOsKrewFormatter(item.RawName)
+			if oldName != item.Name {
+				log.Logger.Info("Fix name", zap.String("old", oldName), zap.String("raw", item.RawName), zap.String("name", item.Name))
+				err := db.SaveGameDownload(item)
+				if err != nil {
+					log.Logger.Error("Failed to update item", zap.Error(err))
+				}
+			}
+		}
+	case "freegog":
+		items, err := db.GetFreeGOGGameDownloads()
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+			return
+		}
+		for _, item := range items {
+			oldName := item.Name
+			item.Name = crawler.FreeGOGFormatter(item.RawName)
+			if oldName != item.Name {
+				log.Logger.Info("Fix name", zap.String("old", oldName), zap.String("raw", item.RawName), zap.String("name", item.Name))
+				err := db.SaveGameDownload(item)
+				if err != nil {
+					log.Logger.Error("Failed to update item", zap.Error(err))
+				}
+			}
+		}
+	case "xatab":
+		items, err := db.GetXatabGameDownloads()
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+			return
+		}
+		for _, item := range items {
+			oldName := item.Name
+			item.Name = crawler.XatabFormatter(item.RawName)
+			if oldName != item.Name {
+				log.Logger.Info("Fix name", zap.String("old", oldName), zap.String("raw", item.RawName), zap.String("name", item.Name))
+				err := db.SaveGameDownload(item)
+				if err != nil {
+					log.Logger.Error("Failed to update item", zap.Error(err))
+				}
+			}
+		}
+	case "onlinefix":
+		items, err := db.GetOnlineFixGameDownloads()
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+			return
+		}
+		for _, item := range items {
+			oldName := item.Name
+			item.Name = crawler.OnlineFixFormatter(item.RawName)
+			if oldName != item.Name {
+				log.Logger.Info("Fix name", zap.String("old", oldName), zap.String("raw", item.RawName), zap.String("name", item.Name))
+				err := db.SaveGameDownload(item)
+				if err != nil {
+					log.Logger.Error("Failed to update item", zap.Error(err))
+				}
+			}
+		}
+	case "armgddn":
+		items, err := db.GetARMGDDNGameDownloads()
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+			return
+		}
+		for _, item := range items {
+			oldName := item.Name
+			item.Name = crawler.ARMGDDNFormatter(item.RawName)
+			if oldName != item.Name {
+				log.Logger.Info("Fix name", zap.String("old", oldName), zap.String("raw", item.RawName), zap.String("name", item.Name))
+				err := db.SaveGameDownload(item)
+				if err != nil {
+					log.Logger.Error("Failed to update item", zap.Error(err))
+				}
+			}
+		}
+	}
+}
diff --git a/cmd/list.go b/cmd/list.go
new file mode 100644
index 0000000..0be4c2b
--- /dev/null
+++ b/cmd/list.go
@@ -0,0 +1,44 @@
+package cmd
+
+import (
+	"pcgamedb/db"
+	"pcgamedb/log"
+
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Long:  "List game infos by filter",
+	Short: "List game infos by filter",
+	Run:   listRun,
+}
+
+type listCommandConfig struct {
+	Unid bool
+}
+
+var listCmdCfg listCommandConfig
+
+func init() {
+	listCmd.Flags().BoolVarP(&listCmdCfg.Unid, "unorganized", "u", false, "unorganized")
+	RootCmd.AddCommand(listCmd)
+}
+
+func listRun(cmd *cobra.Command, args []string) {
+	if listCmdCfg.Unid {
+		games, err := db.GetUnorganizedGameDownloads(-1)
+		if err != nil {
+			log.Logger.Error("Failed to get games", zap.Error(err))
+		}
+		for _, game := range games {
+			log.Logger.Info(
+				"Game",
+				zap.Any("game_id", game.ID),
+				zap.String("raw_name", game.RawName),
+				zap.String("name", game.Name),
+			)
+		}
+	}
+}
diff --git a/cmd/organize.go b/cmd/organize.go
new file mode 100644
index 0000000..dcfcd6b
--- /dev/null
+++ b/cmd/organize.go
@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"pcgamedb/crawler"
+	"pcgamedb/db"
+	"pcgamedb/log"
+
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+var organizeCmd = &cobra.Command{
+	Use:   "organize",
+	Long:  "Organize game info by repack game's name",
+	Short: "Organize game info by repack game's name",
+	Run:   organizeRun,
+}
+
+type organizeCommandConfig struct {
+	Num int
+}
+
+var organizeCmdCfg organizeCommandConfig
+
+func init() {
+	organizeCmd.Flags().IntVarP(&organizeCmdCfg.Num, "num", "n", -1, "number of items to process")
+	RootCmd.AddCommand(organizeCmd)
+}
+
+func organizeRun(cmd *cobra.Command, args []string) {
+	games, err := db.GetUnorganizedGameDownloads(organizeCmdCfg.Num)
+	if err != nil {
+		log.Logger.Error("Failed to get games", zap.Error(err))
+	}
+	for _, game := range games {
+		gameInfo, err := crawler.OrganizeGameDownload(game)
+		if err == nil {
+			err = db.SaveGameInfo(gameInfo)
+			if err != nil {
+				log.Logger.Error("Failed to save game info", zap.Error(err))
+				continue
+			}
+			log.Logger.Info("Organized game", zap.String("name", game.Name))
+		}
+		log.Logger.Error("Failed to organize game", zap.String("name", game.Name))
+	}
+}
diff --git a/cmd/organize_manually.go b/cmd/organize_manually.go
new file mode 100644
index 0000000..d6984ee
--- /dev/null
+++ b/cmd/organize_manually.go
@@ -0,0 +1,72 @@
+package cmd
+
+import (
+	"encoding/json"
+	"os"
+	"pcgamedb/crawler"
+	"pcgamedb/db"
+	"pcgamedb/log"
+
+	"github.com/spf13/cobra"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+var addCmd = &cobra.Command{
+	Use:   "manual",
+	Long:  "Manually add information for games that cannot match IDs from IGDB, Steam or GOG",
+	Short: "Manually add information for games that cannot match IDs from IGDB, Steam or GOG",
+	Run:   addRun,
+}
+
+type ManualCommandConfig struct {
+	GameID     string `json:"game_id"`
+	Platform   string `json:"platform"`
+	PlatformID int    `json:"platform_id"`
+	Config     string
+}
+
+var manualCmdCfg ManualCommandConfig
+
+func init() {
+	addCmd.Flags().StringVarP(&manualCmdCfg.GameID, "game-id", "i", "", "repack game id")
+	addCmd.Flags().StringVarP(&manualCmdCfg.Platform, "platform", "t", "", "platform")
+	addCmd.Flags().IntVarP(&manualCmdCfg.PlatformID, "platform-id", "p", 0, "platform id")
+	addCmd.Flags().StringVarP(&manualCmdCfg.Config, "config", "c", "", "config path")
+	organizeCmd.AddCommand(addCmd)
+}
+
+func addRun(cmd *cobra.Command, args []string) {
+	c := []*ManualCommandConfig{}
+	if manualCmdCfg.Config != "" {
+		data, err := os.ReadFile(manualCmdCfg.Config)
+		if err != nil {
+			log.Logger.Error("Failed to read config file", zap.Error(err))
+			return
+		}
+		if err = json.Unmarshal(data, &c); err != nil {
+			log.Logger.Error("Failed to unmarshal config file", zap.Error(err))
+			return
+		}
+	} else {
+		c = append(c, &manualCmdCfg)
+	}
+	for _, v := range c {
+		objID, err := primitive.ObjectIDFromHex(v.GameID)
+		if err != nil {
+			log.Logger.Error("Failed to parse game id", zap.Error(err))
+			continue
+		}
+		info, err := crawler.OrganizeGameDownloadManually(objID, v.Platform, v.PlatformID)
+		if err != nil {
+			log.Logger.Error("Failed to add game info", zap.Error(err))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			log.Logger.Error("Failed to save game info", zap.Error(err))
+			continue
+		}
+		log.Logger.Info("Added game info", zap.String("game_id", v.GameID), zap.String("id_type", v.Platform), zap.Int("id", v.PlatformID))
+	}
+}
diff --git a/cmd/root.go b/cmd/root.go
new file mode 100644
index 0000000..ebef5cc
--- /dev/null
+++ b/cmd/root.go
@@ -0,0 +1,7 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var RootCmd = &cobra.Command{}
diff --git a/cmd/server.go b/cmd/server.go
new file mode 100644
index 0000000..a9fb40b
--- /dev/null
+++ b/cmd/server.go
@@ -0,0 +1,36 @@
+package cmd
+
+import (
+	"pcgamedb/config"
+	"pcgamedb/server"
+
+	"github.com/spf13/cobra"
+)
+
+var serverCmd = &cobra.Command{
+	Use:   "server",
+	Long:  "Start API server",
+	Short: "Start API server",
+	Run:   ServerRun,
+}
+
+type serverCommandConfig struct {
+	Port      string
+	AutoCrawl bool
+}
+
+var serverCmdCfg serverCommandConfig
+
+func init() {
+	serverCmd.Flags().StringVarP(&serverCmdCfg.Port, "port", "p", "8080", "server port")
+	serverCmd.Flags().BoolVarP(&serverCmdCfg.AutoCrawl, "auto-crawl", "c", true, "enable auto crawl")
+	RootCmd.AddCommand(serverCmd)
+}
+
+func ServerRun(cmd *cobra.Command, args []string) {
+	if serverCmdCfg.AutoCrawl {
+		config.Config.Server.AutoCrawl = true
+	}
+	config.Config.Server.Port = serverCmdCfg.Port
+	server.Run()
+}
diff --git a/cmd/task.go b/cmd/task.go
new file mode 100644
index 0000000..84ac44e
--- /dev/null
+++ b/cmd/task.go
@@ -0,0 +1,38 @@
+package cmd
+
+import (
+	"pcgamedb/log"
+	"pcgamedb/task"
+
+	"github.com/robfig/cron/v3"
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+type taskCommandConfig struct {
+	Crawl bool
+}
+
+var taskCmdCfg taskCommandConfig
+
+var taskCmd = &cobra.Command{
+	Use:  "task",
+	Long: "Start task",
+	Run: func(cmd *cobra.Command, args []string) {
+		if taskCmdCfg.Crawl {
+			task.Crawl(log.Logger)
+			c := cron.New()
+			_, err := c.AddFunc("0 0 * * *", func() { task.Crawl(log.Logger) })
+			if err != nil {
+				log.Logger.Error("Failed to add task", zap.Error(err))
+			}
+			c.Start()
+			select {}
+		}
+	},
+}
+
+func init() {
+	taskCmd.Flags().BoolVarP(&taskCmdCfg.Crawl, "crawl", "c", false, "enable auto crawl")
+	RootCmd.AddCommand(taskCmd)
+}
diff --git a/cmd/update.go b/cmd/update.go
new file mode 100644
index 0000000..258eaa2
--- /dev/null
+++ b/cmd/update.go
@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"pcgamedb/crawler"
+	"pcgamedb/db"
+	"pcgamedb/log"
+
+	"github.com/spf13/cobra"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.uber.org/zap"
+)
+
+var updateCmd = &cobra.Command{
+	Use:   "update",
+	Long:  "Update game info by game data platform",
+	Short: "Update game info by game data platform",
+	Run:   updateRun,
+}
+
+type updateCommandConfig struct {
+	PlatformID int
+	Platform   string
+	ID         string
+}
+
+var updateCmdcfx updateCommandConfig
+
+func init() {
+	updateCmd.Flags().IntVarP(&updateCmdcfx.PlatformID, "platform-id", "p", 0, "platform id")
+	updateCmd.Flags().StringVarP(&updateCmdcfx.Platform, "platform", "t", "", "platform")
+	updateCmd.Flags().StringVarP(&updateCmdcfx.ID, "game-id", "i", "", "game info id")
+	RootCmd.AddCommand(updateCmd)
+}
+
+func updateRun(cmd *cobra.Command, args []string) {
+	id, err := primitive.ObjectIDFromHex(updateCmdcfx.ID)
+	if err != nil {
+		log.Logger.Error("Failed to parse game info id", zap.Error(err))
+		return
+	}
+	oldInfo, err := db.GetGameInfoByID(id)
+	if err != nil {
+		log.Logger.Error("Failed to get game info", zap.Error(err))
+		return
+	}
+	newInfo, err := crawler.GenerateGameInfo(updateCmdcfx.Platform, updateCmdcfx.PlatformID)
+	if err != nil {
+		log.Logger.Error("Failed to generate game info", zap.Error(err))
+		return
+	}
+	newInfo.ID = id
+	newInfo.GameIDs = oldInfo.GameIDs
+	err = db.SaveGameInfo(newInfo)
+	if err != nil {
+		log.Logger.Error("Failed to save game info", zap.Error(err))
+	}
+}
diff --git a/config.example.json b/config.example.json
new file mode 100644
index 0000000..ff44d7c
--- /dev/null
+++ b/config.example.json
@@ -0,0 +1,27 @@
+{
+  "log_level": "info",
+  "server": {
+    "port": "8080",
+    "secret_key": "default"
+  },
+  "database": {
+    "host": "127.0.0.1",
+    "port": 27017,
+    "user": "root",
+    "password": "password",
+    "database": "gamedb"
+  },
+  "redis": {
+    "host": "127.0.0.1",
+    "port": 6379,
+    "db_index": 0
+  },
+  "online_fix": {
+    "user": "user",
+    "password": "password"
+  },
+  "twitch": {
+    "client_id": "client_id",
+    "client_secret": "client_secret"
+  }
+}
diff --git a/config/config.go b/config/config.go
new file mode 100644
index 0000000..6ef7356
--- /dev/null
+++ b/config/config.go
@@ -0,0 +1,127 @@
+package config
+
+import (
+	"bytes"
+	"encoding/json"
+	"os"
+	"os/exec"
+	"reflect"
+	"strconv"
+	"time"
+)
+
+type config struct {
+	LogLevel           string    `env:"LOG_LEVEL" json:"log_level"`
+	Server             server    `json:"server"`
+	Database           database  `json:"database"`
+	Redis              redis     `json:"redis"`
+	OnlineFix          onlinefix `json:"online_fix"`
+	Twitch             twitch    `json:"twitch"`
+	DatabaseAvaliable  bool
+	OnlineFixAvaliable bool
+	MegaAvaliable      bool
+	RedisAvaliable     bool
+}
+
+type server struct {
+	Port      string `env:"SERVER_PORT" json:"port"`
+	SecretKey string `env:"SERVER_SECRET_KEY" json:"secret_key"`
+	AutoCrawl bool   `env:"SERVER_AUTO_CRAWL" json:"auto_crawl"`
+}
+
+type database struct {
+	Host     string `env:"DATABASE_HOST" json:"host"`
+	Port     int    `env:"DATABASE_PORT" json:"port"`
+	User     string `env:"DATABASE_USER" json:"user"`
+	Password string `env:"DATABASE_PASSWORD" json:"password"`
+	Database string `env:"DATABASE_NAME" json:"database"`
+}
+
+type twitch struct {
+	ClientID     string `env:"TWITCH_CLIENT_ID" json:"client_id"`
+	ClientSecret string `env:"TWITCH_CLIENT_SECRET" json:"client_secret"`
+}
+
+type redis struct {
+	Host     string `env:"REDIS_HOST" json:"host"`
+	Port     int    `env:"REDIS_PORT" json:"port"`
+	Password string `env:"REDIS_PASSWORD" json:"password"`
+	DBIndex  int    `env:"REDIS_DB" json:"db_index"`
+}
+
+type onlinefix struct {
+	User     string `env:"ONLINEFIX_USER" json:"user"`
+	Password string `env:"ONLINEFIX_PASSWORD" json:"password"`
+}
+
+type runtimeConfig struct {
+	ServerStartTime time.Time
+}
+
+var Config config
+var Runtime runtimeConfig
+
+func init() {
+	Config = config{
+		LogLevel: "info",
+		Database: database{
+			Port:     27017,
+			User:     "root",
+			Password: "password",
+		},
+		MegaAvaliable: TestMega(),
+	}
+	if _, err := os.Stat("config.json"); err == nil {
+		configData, err := os.ReadFile("config.json")
+		if err != nil {
+			panic(err)
+		}
+		err = json.Unmarshal(configData, &Config)
+		if err != nil {
+			panic(err)
+		}
+	}
+	loadEnvVariables(&Config)
+	Config.OnlineFixAvaliable = Config.OnlineFix.User != "" && Config.OnlineFix.Password != ""
+	Config.RedisAvaliable = Config.Redis.Host != ""
+	Config.DatabaseAvaliable = Config.Database.Database != "" && Config.Database.Host != ""
+}
+
+func loadEnvVariables(cfg interface{}) {
+	v := reflect.ValueOf(cfg).Elem()
+	t := v.Type()
+	for i := 0; i < v.NumField(); i++ {
+		field := t.Field(i)
+		envTag := field.Tag.Get("env")
+		if envTag == "" || envTag == "-" {
+			if field.Type.Kind() == reflect.Struct {
+				loadEnvVariables(v.Field(i).Addr().Interface())
+			}
+			continue
+		}
+		envValue := os.Getenv(envTag)
+		if envValue == "" {
+			continue
+		}
+		switch field.Type.Kind() {
+		case reflect.String:
+			v.Field(i).SetString(envValue)
+		case reflect.Int:
+			if value, err := strconv.Atoi(envValue); err == nil {
+				v.Field(i).SetInt(int64(value))
+			}
+		case reflect.Bool:
+			if value, err := strconv.ParseBool(envValue); err == nil {
+				v.Field(i).SetBool(value)
+			}
+		}
+	}
+}
+
+func TestMega() bool {
+	cmd := exec.Command("mega-get", "--help")
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	err := cmd.Run()
+	return err == nil
+}
diff --git a/constant/graphql.go b/constant/graphql.go
new file mode 100644
index 0000000..65ca20d
--- /dev/null
+++ b/constant/graphql.go
@@ -0,0 +1,3 @@
+package constant
+
+const EpicStoreSearchQuery = "query searchStoreQuery($allowCountries: String, $category: String, $count: Int, $country: String!, $keywords: String, $locale: String, $namespace: String, $itemNs: String, $sortBy: String, $sortDir: String, $start: Int, $tag: String, $releaseDate: String, $withPrice: Boolean = false, $withPromotions: Boolean = false) {\n  Catalog {\n    searchStore(allowCountries: $allowCountries, category: $category, count: $count, country: $country, keywords: $keywords, locale: $locale, namespace: $namespace, itemNs: $itemNs, sortBy: $sortBy, sortDir: $sortDir, releaseDate: $releaseDate, start: $start, tag: $tag) {\n      elements {\n        title\n        id\n        namespace\n        description\n        effectiveDate\n        keyImages {\n          type\n          url\n        }\n        seller {\n          id\n          name\n        }\n        productSlug\n        urlSlug\n        url\n        tags {\n          id\n        }\n        items {\n          id\n          namespace\n        }\n        customAttributes {\n          key\n          value\n        }\n        categories {\n          path\n        }\n        price(country: $country) @include(if: $withPrice) {\n          totalPrice {\n            discountPrice\n            originalPrice\n            voucherDiscount\n            discount\n            currencyCode\n            currencyInfo {\n              decimals\n            }\n            fmtPrice(locale: $locale) {\n              originalPrice\n              discountPrice\n              intermediatePrice\n            }\n          }\n          lineOffers {\n            appliedRules {\n              id\n              endDate\n              discountSetting {\n                discountType\n              }\n            }\n          }\n        }\n        promotions(category: $category) @include(if: $withPromotions) {\n          promotionalOffers {\n            promotionalOffers {\n              startDate\n              endDate\n              discountSetting {\n                discountType\n                discountPercentage\n              }\n            }\n          }\n          upcomingPromotionalOffers {\n            promotionalOffers {\n              startDate\n              endDate\n              discountSetting {\n                discountType\n                discountPercentage\n              }\n            }\n          }\n        }\n      }\n      paging {\n        count\n        total\n      }\n    }\n  }\n}\n"
diff --git a/constant/language.go b/constant/language.go
new file mode 100644
index 0000000..b3ae9fb
--- /dev/null
+++ b/constant/language.go
@@ -0,0 +1,121 @@
+package constant
+
+type language struct {
+	Name       string `json:"name"`
+	NativeName string `json:"native_name"`
+}
+
+var IGDBLanguages map[int]language = map[int]language{
+	1: {
+		Name:       "Arabic",
+		NativeName: "العربية",
+	},
+	2: {
+		Name:       "Chinese (Simplified)",
+		NativeName: "简体中文",
+	},
+	3: {
+		Name:       "Chinese (Traditional)",
+		NativeName: "繁體中文",
+	},
+	4: {
+		Name:       "Czech",
+		NativeName: "čeština",
+	},
+	5: {
+		Name:       "Danish",
+		NativeName: "Dansk",
+	},
+	6: {
+		Name:       "Dutch",
+		NativeName: "Nederlands",
+	},
+	7: {
+		Name:       "English",
+		NativeName: "English (US)",
+	},
+	8: {
+		Name:       "English (UK)",
+		NativeName: "English (UK)",
+	},
+	9: {
+		Name:       "Spanish (Spain)",
+		NativeName: "Español (España)",
+	},
+	10: {
+		Name:       "Spanish (Mexico)",
+		NativeName: "Español (Mexico)",
+	},
+	12: {
+		Name:       "French",
+		NativeName: "Français",
+	},
+	14: {
+		Name:       "Hungarian",
+		NativeName: "Magyar",
+	},
+	11: {
+		Name:       "Finnish",
+		NativeName: "Suomi",
+	},
+	15: {
+		Name:       "Italian",
+		NativeName: "Italiano",
+	},
+	13: {
+		Name:       "Hebrew",
+		NativeName: "עברית",
+	},
+	16: {
+		Name:       "Japanese",
+		NativeName: "日本語",
+	},
+	17: {
+		Name:       "Korean",
+		NativeName: "한국어",
+	},
+	18: {
+		Name:       "Norwegian",
+		NativeName: "Norsk",
+	},
+	20: {
+		Name:       "Portuguese (Portugal)",
+		NativeName: "Português (Portugal)",
+	},
+	21: {
+		Name:       "Portuguese (Brazil)",
+		NativeName: "Português (Brasil)",
+	},
+	19: {
+		Name:       "Polish",
+		NativeName: "Polski",
+	},
+	22: {
+		Name:       "Russian",
+		NativeName: "Русский",
+	},
+	24: {
+		Name:       "Turkish",
+		NativeName: "Türkçe",
+	},
+	25: {
+		Name:       "Thai",
+		NativeName: "ไทย",
+	},
+	26: {
+		Name:       "Vietnamese",
+		NativeName: "Tiếng Việt",
+	},
+	23: {
+		Name:       "Swedish",
+		NativeName: "Svenska",
+	},
+	27: {
+		Name:       "German",
+		NativeName: "Deutsch",
+	},
+	28: {
+		Name:       "Ukrainian",
+		NativeName: "українська",
+	},
+}
diff --git a/constant/url.go b/constant/url.go
new file mode 100644
index 0000000..2256443
--- /dev/null
+++ b/constant/url.go
@@ -0,0 +1,32 @@
+package constant
+
+const (
+	C1337xBaseURL            = "https://www.1337x.to"
+	FreeGOGListURL           = "https://freegogpcgames.com/a-z-games-list"
+	GOGGamesBaseURL          = "https://www.gog-games.to"
+	GOGGamesURL              = "https://www.gog-games.to/search/all/%v/date/desc/any"
+	GOGSearchURL             = "https://embed.gog.com/games/ajax/filtered"
+	GOGDetailsURL            = "https://api.gog.com/products"
+	SteamSearchURL           = "https://store.steampowered.com/search"
+	SteamAppDetailURL        = "https://store.steampowered.com/api/appdetails"
+	SteamAllAppsURL          = "https://api.steampowered.com/ISteamApps/GetAppList/v2/?format=json"
+	XatabBaseURL             = "https://byxatab.com"
+	GoogleSearchURL          = "https://www.google.com/search"
+	BingSearchURL            = "https://www.bing.com/search"
+	OnlineFixURL             = "https://online-fix.me"
+	OnlineFixCSRFURL         = "https://online-fix.me/engine/ajax/authtoken.php"
+	IGDBGameURL              = "https://api.igdb.com/v4/games"
+	IGDBSearchURL            = "https://api.igdb.com/v4/search"
+	IGDBCompaniesURL         = "https://api.igdb.com/v4/companies"
+	IGDBWebsitesURL          = "https://api.igdb.com/v4/websites"
+	TwitchAuthURL            = "https://id.twitch.tv/oauth2/token"
+	Steam250Top250URL        = "https://steam250.com/top250"
+	Steam250BestOfTheYearURL = "https://steam250.com/%v"
+	Steam250WeekTop50URL     = "https://steam250.com/7day"
+	Steam250MostPlayedURL    = "https://steam250.com/most_played"
+	FitGirlURL               = "https://fitgirl-repacks.site/page/%v/"
+	SteamRIPBaseURL          = "https://steamrip.com"
+	SteamRIPGameListURL      = "https://steamrip.com/games-list-page/"
+	RepackInfoURL            = "https://repack.info/page/%v/"
+	GnarlyURL                = "https://rentry.org/gnarly_repacks"
+)
diff --git a/crawler/1337x.go b/crawler/1337x.go
new file mode 100644
index 0000000..515d33e
--- /dev/null
+++ b/crawler/1337x.go
@@ -0,0 +1,182 @@
+package crawler
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type Formatter func(string) string
+
+type s1337xCrawler struct {
+	source    string
+	formatter Formatter
+	logger    *zap.Logger
+}
+
+func New1337xCrawler(source string, formatter Formatter, logger *zap.Logger) *s1337xCrawler {
+	return &s1337xCrawler{
+		source:    source,
+		formatter: formatter,
+		logger:    logger,
+	}
+}
+
+func (c *s1337xCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	var resp *utils.FetchResponse
+	var doc *goquery.Document
+	var err error
+	requestUrl := fmt.Sprintf("%s/%s/%d/", constant.C1337xBaseURL, c.source, page)
+	resp, err = utils.Fetch(utils.FetchConfig{
+		Url: requestUrl,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err = goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	trSelection := doc.Find("tbody>tr")
+	urls := []string{}
+	trSelection.Each(func(i int, trNode *goquery.Selection) {
+		nameSelection := trNode.Find(".name").First()
+		if aNode := nameSelection.Find("a").Eq(1); aNode.Length() > 0 {
+			url, _ := aNode.Attr("href")
+			urls = append(urls, url)
+		}
+	})
+	var res []*model.GameDownload
+	for _, u := range urls {
+		u = fmt.Sprintf("%s%s", constant.C1337xBaseURL, u)
+		if db.IsGameCrawledByURL(u) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		res = append(res, item)
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *s1337xCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	var item = &model.GameDownload{}
+	item.Url = url
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	selection := doc.Find(".torrent-detail-page ul.list>li")
+	info := make(map[string]string)
+	selection.Each(func(i int, item *goquery.Selection) {
+		info[strings.TrimSpace(item.Find("strong").Text())] = strings.TrimSpace(item.Find("span").Text())
+	})
+	magnetRegex := regexp.MustCompile(`magnet:\?[^"]*`)
+	magnetRegexRes := magnetRegex.FindStringSubmatch(string(resp.Data))
+	item.Size = info["Total size"]
+	item.RawName = doc.Find("title").Text()
+	item.RawName = strings.Replace(item.RawName, "Download ", "", 1)
+	item.RawName = strings.TrimSpace(strings.Replace(item.RawName, "Torrent | 1337x", " ", 1))
+	item.Name = c.formatter(item.RawName)
+	item.Download = magnetRegexRes[0]
+	item.Author = strings.Replace(c.source, "-torrents", "", -1)
+	return item, nil
+}
+
+func (c *s1337xCrawler) CrawlMulti(pages []int) (res []*model.GameDownload, err error) {
+	var items []*model.GameDownload
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	for _, page := range pages {
+		if page > totalPageNum {
+			continue
+		}
+		items, err = c.Crawl(page)
+		res = append(res, items...)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return res, nil
+}
+
+func (c *s1337xCrawler) CrawlAll() (res []*model.GameDownload, err error) {
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	var items []*model.GameDownload
+	for i := 1; i <= totalPageNum; i++ {
+		items, err = c.Crawl(i)
+		res = append(res, items...)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return res, nil
+}
+
+func (c *s1337xCrawler) GetTotalPageNum() (int, error) {
+	var resp *utils.FetchResponse
+	var doc *goquery.Document
+	var err error
+
+	requestUrl := fmt.Sprintf("%s/%s/%d/", constant.C1337xBaseURL, c.source, 1)
+	resp, err = utils.Fetch(utils.FetchConfig{
+		Url: requestUrl,
+	})
+	if err != nil {
+		return 0, err
+	}
+	doc, _ = goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	selection := doc.Find(".last")
+	pageStr, exist := selection.Find("a").Attr("href")
+	if !exist {
+		return 0, errors.New("total page num not found")
+	}
+	pageStr = strings.ReplaceAll(pageStr, c.source, "")
+	pageStr = strings.ReplaceAll(pageStr, "/", "")
+	totalPageNum, err := strconv.Atoi(pageStr)
+	if err != nil {
+		return 0, err
+	}
+	return totalPageNum, nil
+}
diff --git a/crawler/armgddn.go b/crawler/armgddn.go
new file mode 100644
index 0000000..c32997a
--- /dev/null
+++ b/crawler/armgddn.go
@@ -0,0 +1,213 @@
+package crawler
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/url"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/jlaffaye/ftp"
+	"go.uber.org/zap"
+)
+
+const (
+	ftpAddress  = "72.21.17.26:13017"
+	ftpUsername = "ARMGDDNGames"
+	ftpPassword = "ARMGDDNGames"
+)
+
+type GameData struct {
+	NumberOfGame string `json:"Number of game"`
+	AppID        string `json:"appid"`
+	FolderName   string `json:"foldername"`
+}
+
+type ARMGDDNCrawler struct {
+	logger zap.Logger
+	conn   *ftp.ServerConn
+}
+
+// Deprecated: ARMGDDN has changed resource distribution method
+func NewARMGDDNCrawler(logger *zap.Logger) *ARMGDDNCrawler {
+	return &ARMGDDNCrawler{
+		logger: *logger,
+	}
+}
+
+func (c *ARMGDDNCrawler) connectFTP() error {
+	var err error
+	tlsConfig := &tls.Config{InsecureSkipVerify: true}
+	c.conn, err = ftp.Dial(ftpAddress, ftp.DialWithTimeout(5*time.Second), ftp.DialWithExplicitTLS(tlsConfig))
+	if err != nil {
+		return err
+	}
+	if err = c.conn.Login(ftpUsername, ftpPassword); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c *ARMGDDNCrawler) fetchAndParseFTPData(filePath string) ([]GameData, error) {
+	r, err := c.conn.Retr(filePath)
+	if err != nil {
+		return nil, err
+	}
+	defer r.Close()
+
+	buf, err := io.ReadAll(r)
+	if err != nil {
+		return nil, err
+	}
+
+	var data []GameData
+	if err = json.Unmarshal(buf, &data); err != nil {
+		return nil, err
+	}
+	return data, nil
+}
+
+func (c *ARMGDDNCrawler) crawlGames(data []GameData, platform string, num int) ([]*model.GameDownload, error) {
+	count := 0
+	var res []*model.GameDownload
+	modTimeMap := make(map[string]time.Time)
+	entries, err := c.conn.List(fmt.Sprintf("/%s", platform))
+	if err != nil {
+		return nil, err
+	}
+	for _, entry := range entries {
+		if entry.Type == ftp.EntryTypeFolder {
+			modTimeMap[entry.Name] = entry.Time
+		}
+	}
+	for _, v := range data {
+		if count == num {
+			break
+		}
+		path := fmt.Sprintf("/%s/%s", platform, v.FolderName)
+		u := fmt.Sprintf("ARMGDDNGames/%s/%s", platform, v.NumberOfGame)
+		modTime, ok := modTimeMap[v.FolderName]
+		if !ok {
+			c.logger.Warn("mod time not found", zap.String("url", u))
+			continue
+		}
+		updateFlag := fmt.Sprintf("ARMGDDNGames/%s/%s/%s", platform, v.NumberOfGame, modTime.UTC().String())
+		if db.IsARMGDDNCrawled(updateFlag) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("url", u))
+		walker := c.conn.Walk(path)
+		size := int64(0)
+		for walker.Next() {
+			if walker.Stat().Type == ftp.EntryTypeFile {
+				fileSize, err := c.conn.FileSize(walker.Path())
+				if err != nil {
+					c.logger.Warn("file size error", zap.Error(err))
+					break
+				}
+				size += fileSize
+			}
+		}
+		item, err := db.GetGameDownloadByUrl(u)
+		if err != nil {
+			continue
+		}
+		item.Url = u
+		item.Name = ARMGDDNFormatter(v.FolderName)
+		item.UpdateFlag = updateFlag
+		item.Size = utils.FormatSize(size)
+		item.RawName = v.FolderName
+		item.Author = "ARMGDDN"
+		item.Download = fmt.Sprintf("ftpes://%s:%s@%s/%s/%s", ftpUsername, ftpPassword, ftpAddress, platform, url.QueryEscape(v.FolderName))
+		if err := db.SaveGameDownload(item); err != nil {
+			continue
+		}
+		res = append(res, item)
+		count++
+		var id int
+		var info *model.GameInfo
+		if v.AppID != "NONSTEAM" {
+			id, err = strconv.Atoi(v.AppID)
+			if err != nil {
+				c.logger.Warn("strconv error", zap.Error(err))
+				continue
+			}
+			info, err = OrganizeGameDownloadWithSteam(id, item)
+			if err != nil {
+				continue
+			}
+		} else {
+			info, err = OrganizeGameDownload(item)
+			if err != nil {
+				continue
+			}
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("save game info error", zap.Error(err))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func ARMGDDNFormatter(name string) string {
+	cleanedName := strings.ReplaceAll(strings.TrimSpace(name), "-ARMGDDN", "")
+	matchIndex := regexp.MustCompile(`v\d`).FindStringIndex(cleanedName)
+	if matchIndex == nil {
+		return cleanedName
+	}
+	return strings.TrimSpace(cleanedName[:matchIndex[0]])
+}
+
+func (c *ARMGDDNCrawler) CrawlPC(num int) ([]*model.GameDownload, error) {
+	return c.crawlPlatform("/PC/currentserverPC-FTP.json", "PC", num)
+}
+
+func (c *ARMGDDNCrawler) CrawlPCVR(num int) ([]*model.GameDownload, error) {
+	return c.crawlPlatform("/PCVR/currentserverPCVR-FTP.json", "PCVR", num)
+}
+
+func (c *ARMGDDNCrawler) Crawl(num int) ([]*model.GameDownload, error) {
+	num1 := num / 2
+	num2 := num - num1
+	if num == -1 {
+		num1 = -1
+		num2 = -1
+	}
+	res1, err := c.CrawlPC(num1)
+	if err != nil {
+		return nil, err
+	}
+	res2, err := c.CrawlPCVR(num2)
+	if err != nil {
+		return nil, err
+	}
+	return append(res1, res2...), nil
+}
+
+func (c *ARMGDDNCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	return c.Crawl(-1)
+}
+
+func (c *ARMGDDNCrawler) crawlPlatform(jsonFile, platform string, num int) ([]*model.GameDownload, error) {
+	err := c.connectFTP()
+	if err != nil {
+		return nil, err
+	}
+	defer func() { _ = c.conn.Quit() }()
+
+	data, err := c.fetchAndParseFTPData(jsonFile)
+	if err != nil {
+		return nil, err
+	}
+
+	return c.crawlGames(data, platform, num)
+}
diff --git a/crawler/chovka.go b/crawler/chovka.go
new file mode 100644
index 0000000..35d5582
--- /dev/null
+++ b/crawler/chovka.go
@@ -0,0 +1,179 @@
+package crawler
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"strconv"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type ChovkaCrawler struct {
+	logger *zap.Logger
+}
+
+func NewChovkaCrawler(logger *zap.Logger) *ChovkaCrawler {
+	return &ChovkaCrawler{
+		logger: logger,
+	}
+}
+
+func (c *ChovkaCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.Url = url
+	item.RawName = doc.Find(".inner-entry__title").First().Text()
+	item.Name = ChovkaFormatter(item.RawName)
+	item.Author = "Chovka"
+	item.UpdateFlag = item.RawName
+	downloadURL := doc.Find(".download-torrent").AttrOr("href", "")
+	if downloadURL == "" {
+		return nil, errors.New("Failed to find download URL")
+	}
+	resp, err = utils.Fetch(utils.FetchConfig{
+		Headers: map[string]string{"Referer": url},
+		Url:     downloadURL,
+	})
+	if err != nil {
+		return nil, err
+	}
+	magnet, size, err := utils.ConvertTorrentToMagnet(resp.Data)
+	if err != nil {
+		return nil, err
+	}
+	item.Size = size
+	item.Download = magnet
+	return item, nil
+}
+
+func (c *ChovkaCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: fmt.Sprintf(constant.RepackInfoURL, page),
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	urls := []string{}
+	updateFlags := []string{}
+	doc.Find(".entry").Each(func(i int, s *goquery.Selection) {
+		u, exist := s.Find(".entry__title.h2 a").Attr("href")
+		if !exist {
+			return
+		}
+		urls = append(urls, u)
+		updateFlags = append(updateFlags, s.Find(".entry__title.h2 a").Text())
+	})
+	var res []*model.GameDownload
+	for i, u := range urls {
+		if db.IsChovkaCrawled(updateFlags[i]) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		if err := db.SaveGameDownload(item); err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		res = append(res, item)
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		if err := db.SaveGameInfo(info); err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *ChovkaCrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	for _, page := range pages {
+		items, err := c.Crawl(page)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *ChovkaCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	var res []*model.GameDownload
+	for i := 1; i <= totalPageNum; i++ {
+		items, err := c.Crawl(i)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *ChovkaCrawler) GetTotalPageNum() (int, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: fmt.Sprintf(constant.RepackInfoURL, 1),
+	})
+	if err != nil {
+		return 0, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return 0, err
+	}
+	pageStr := doc.Find(".pagination>a").Last().Text()
+	totalPageNum, err := strconv.Atoi(pageStr)
+	if err != nil {
+		return 0, err
+	}
+	return totalPageNum, nil
+}
+
+func ChovkaFormatter(name string) string {
+	idx := strings.Index(name, "| RePack")
+	if idx != -1 {
+		name = name[:idx]
+	}
+	idx = strings.Index(name, "| GOG")
+	if idx != -1 {
+		name = name[:idx]
+	}
+	idx = strings.Index(name, "| Portable")
+	if idx != -1 {
+		name = name[:idx]
+	}
+	return strings.TrimSpace(name)
+}
diff --git a/crawler/crawler.go b/crawler/crawler.go
new file mode 100644
index 0000000..9ac5953
--- /dev/null
+++ b/crawler/crawler.go
@@ -0,0 +1,38 @@
+package crawler
+
+import (
+	"pcgamedb/model"
+
+	"go.uber.org/zap"
+)
+
+type Crawler interface {
+	Crawl(int) ([]*model.GameDownload, error)
+	CrawlAll() ([]*model.GameDownload, error)
+}
+
+type SimpleCrawler interface {
+	Crawler
+}
+
+type PagedCrawler interface {
+	Crawler
+	CrawlMulti([]int) ([]*model.GameDownload, error)
+	GetTotalPageNum() (int, error)
+}
+
+func BuildCrawlerMap(logger *zap.Logger) map[string]Crawler {
+	return map[string]Crawler{
+		"fitgirl":  NewFitGirlCrawler(logger),
+		"dodi":     NewDODICrawler(logger),
+		"kaoskrew": NewKaOsKrewCrawler(logger),
+		// "freegog":   NewFreeGOGCrawler(logger),
+		"xatab":     NewXatabCrawler(logger),
+		"onlinefix": NewOnlineFixCrawler(logger),
+		"steamrip":  NewSteamRIPCrawler(logger),
+		// "armgddn":   NewARMGDDNCrawler(logger),
+		"goggames": NewGOGGamesCrawler(logger),
+		"chovka":   NewChovkaCrawler(logger),
+		// "gnarly":   NewGnarlyCrawler(logger),
+	}
+}
diff --git a/crawler/dodi.go b/crawler/dodi.go
new file mode 100644
index 0000000..1e64bcb
--- /dev/null
+++ b/crawler/dodi.go
@@ -0,0 +1,98 @@
+package crawler
+
+import (
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+const DODIName string = "DODI-torrents"
+
+type DODICrawler struct {
+	logger  *zap.Logger
+	crawler s1337xCrawler
+}
+
+func NewDODICrawler(logger *zap.Logger) *DODICrawler {
+	return &DODICrawler{
+		logger: logger,
+		crawler: *New1337xCrawler(
+			DODIName,
+			DODIFormatter,
+			logger,
+		),
+	}
+}
+
+func (c *DODICrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	return c.crawler.Crawl(page)
+}
+
+func (c *DODICrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	return c.crawler.CrawlByUrl(url)
+}
+
+func (c *DODICrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	return c.crawler.CrawlMulti(pages)
+}
+
+func (c *DODICrawler) CrawlAll() ([]*model.GameDownload, error) {
+	return c.crawler.CrawlAll()
+}
+
+func (c *DODICrawler) GetTotalPageNum() (int, error) {
+	return c.crawler.GetTotalPageNum()
+}
+
+var dodiRegexps = []*regexp.Regexp{
+	regexp.MustCompile(`(?i)\s{2,}`),
+	regexp.MustCompile(`(?i)[\-\+]\s?[^:\-]*?\s(Edition|Bundle|Pack|Set|Remake|Collection)`),
+}
+
+func DODIFormatter(name string) string {
+	name = strings.Replace(name, "- [DODI Repack]", "", -1)
+	name = strings.Replace(name, "- Campaign Remastered", "", -1)
+	name = strings.Replace(name, "- Remastered", "", -1)
+	if index := strings.Index(name, "+"); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "–"); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "("); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "["); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "- AiO"); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "- All In One"); index != -1 {
+		name = name[:index]
+	}
+	for _, re := range dodiRegexps {
+		name = strings.TrimSpace(re.ReplaceAllString(name, ""))
+	}
+	name = strings.TrimSpace(name)
+	name = strings.Replace(name, "- Portable", "", -1)
+	name = strings.Replace(name, "- Remastered", "", -1)
+
+	if index := strings.Index(name, "/"); index != -1 {
+		names := strings.Split(name, "/")
+		longestLength := 0
+		longestName := ""
+		for _, n := range names {
+			if !utils.ContainsRussian(n) && len(n) > longestLength {
+				longestLength = len(n)
+				longestName = n
+			}
+		}
+		name = longestName
+	}
+
+	return strings.TrimSpace(name)
+}
diff --git a/crawler/fitgirl.go b/crawler/fitgirl.go
new file mode 100644
index 0000000..da5d8e7
--- /dev/null
+++ b/crawler/fitgirl.go
@@ -0,0 +1,171 @@
+package crawler
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type FitGirlCrawler struct {
+	logger *zap.Logger
+}
+
+func NewFitGirlCrawler(logger *zap.Logger) *FitGirlCrawler {
+	return &FitGirlCrawler{
+		logger: logger,
+	}
+}
+
+func (c *FitGirlCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	titleElem := doc.Find("h3").First().Find("strong")
+	if titleElem.Length() == 0 {
+		return nil, errors.New("Failed to find title")
+	}
+	rawTitle := titleElem.Text()
+	titleElem.Children().Remove()
+	title := strings.TrimSpace(titleElem.Text())
+	sizeRegex := regexp.MustCompile(`Repack Size: <strong>(.*?)</strong>`)
+	sizeRegexRes := sizeRegex.FindStringSubmatch(string(resp.Data))
+	if len(sizeRegexRes) == 0 {
+		return nil, errors.New("Failed to find size")
+	}
+	size := sizeRegexRes[1]
+	magnetRegex := regexp.MustCompile(`magnet:\?[^"]*`)
+	magnetRegexRes := magnetRegex.FindStringSubmatch(string(resp.Data))
+	if len(magnetRegexRes) == 0 {
+		return nil, errors.New("Failed to find magnet")
+	}
+	magnet := magnetRegexRes[0]
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.Name = strings.TrimSpace(title)
+	item.RawName = rawTitle
+	item.Url = url
+	item.Size = size
+	item.Author = "FitGirl"
+	item.Download = magnet
+	return item, nil
+}
+
+func (c *FitGirlCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: fmt.Sprintf(constant.FitGirlURL, page),
+	})
+	if err != nil {
+		c.logger.Error("Failed to fetch", zap.Error(err))
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		c.logger.Error("Failed to parse HTML", zap.Error(err))
+		return nil, err
+	}
+	urls := []string{}
+	updateFlags := []string{} //link+date
+	doc.Find("article").Each(func(i int, s *goquery.Selection) {
+		u, exist1 := s.Find(".entry-title>a").First().Attr("href")
+		d, exist2 := s.Find("time").First().Attr("datetime")
+		if exist1 && exist2 {
+			urls = append(urls, u)
+			updateFlags = append(updateFlags, fmt.Sprintf("%s%s", u, d))
+		}
+	})
+	var res []*model.GameDownload
+	for i, u := range urls {
+		if db.IsFitgirlCrawled(updateFlags[i]) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		item.UpdateFlag = updateFlags[i]
+		err = db.SaveGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err))
+			continue
+		}
+		res = append(res, item)
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *FitGirlCrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	for _, page := range pages {
+		items, err := c.Crawl(page)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *FitGirlCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	for i := 1; i <= totalPageNum; i++ {
+		items, err := c.Crawl(i)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *FitGirlCrawler) GetTotalPageNum() (int, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: fmt.Sprintf(constant.FitGirlURL, 1),
+	})
+	if err != nil {
+		return 0, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return 0, err
+	}
+	page, err := strconv.Atoi(doc.Find(".page-numbers.dots").First().Next().Text())
+	if err != nil {
+		return 0, err
+	}
+	return page, nil
+}
diff --git a/crawler/freegog.go b/crawler/freegog.go
new file mode 100644
index 0000000..825c083
--- /dev/null
+++ b/crawler/freegog.go
@@ -0,0 +1,154 @@
+package crawler
+
+import (
+	"bytes"
+	"encoding/base64"
+	"html"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type FreeGOGCrawler struct {
+	logger *zap.Logger
+}
+
+// Deprecated: Unable to get through cloudflare
+func NewFreeGOGCrawler(logger *zap.Logger) *FreeGOGCrawler {
+	return &FreeGOGCrawler{
+		logger: logger,
+	}
+}
+
+func (c *FreeGOGCrawler) Crawl(num int) ([]*model.GameDownload, error) {
+	count := 0
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.FreeGOGListURL,
+	})
+	if err != nil {
+		c.logger.Error("Failed to fetch", zap.Error(err))
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		c.logger.Error("Failed to parse HTML", zap.Error(err))
+		return nil, err
+	}
+
+	urls := []string{}
+	updateFlags := []string{} //rawName+link
+	doc.Find(".items-outer li a").Each(func(i int, s *goquery.Selection) {
+		urls = append(urls, s.AttrOr("href", ""))
+		updateFlags = append(updateFlags, s.Text()+s.AttrOr("href", ""))
+	})
+
+	res := []*model.GameDownload{}
+	for i, u := range urls {
+		if count == num {
+			break
+		}
+		if db.IsFreeGOGCrawled(updateFlags[i]) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		item.UpdateFlag = updateFlags[i]
+		err = db.SaveGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err))
+			continue
+		}
+		res = append(res, item)
+		count++
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *FreeGOGCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.Url = url
+	rawTitleRegex := regexp.MustCompile(`(?i)<h1 class="entry-title">(.*?)</h1>`)
+	rawTitleRegexRes := rawTitleRegex.FindStringSubmatch(string(resp.Data))
+	rawName := ""
+	if len(rawTitleRegexRes) > 1 {
+		rawName = html.UnescapeString(rawTitleRegexRes[1])
+		item.RawName = strings.Replace(rawName, "–", "-", -1)
+	} else {
+		return nil, err
+	}
+	item.Name = FreeGOGFormatter(item.RawName)
+	sizeRegex := regexp.MustCompile(`(?i)>Size:\s?(.*?)<`)
+	sizeRegexRes := sizeRegex.FindStringSubmatch(string(resp.Data))
+	if len(sizeRegexRes) > 1 {
+		item.Size = sizeRegexRes[1]
+	}
+	magnetRegex := regexp.MustCompile(`<a class="download-btn" href="https://gdl.freegogpcgames.xyz/download-gen\.php\?url=(.*?)"`)
+	magnetRegexRes := magnetRegex.FindStringSubmatch(string(resp.Data))
+	if len(magnetRegexRes) > 1 {
+		magnet, err := base64.StdEncoding.DecodeString(magnetRegexRes[1])
+		if err != nil {
+			return nil, err
+		}
+		item.Download = string(magnet)
+	} else {
+		return nil, err
+	}
+	item.Author = "FreeGOG"
+	return item, nil
+}
+
+func (c *FreeGOGCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	return c.Crawl(-1)
+}
+
+var freeGOGRegexps = []*regexp.Regexp{
+	regexp.MustCompile(`(?i)\(.*\)`),
+}
+
+func FreeGOGFormatter(name string) string {
+	for _, re := range freeGOGRegexps {
+		name = re.ReplaceAllString(name, "")
+	}
+
+	reg1 := regexp.MustCompile(`(?i)v\d+(\.\d+)*`)
+	if index := reg1.FindIndex([]byte(name)); index != nil {
+		name = name[:index[0]]
+	}
+	if index := strings.Index(name, "+"); index != -1 {
+		name = name[:index]
+	}
+
+	reg2 := regexp.MustCompile(`(?i):\sgoty`)
+	name = reg2.ReplaceAllString(name, ": Game Of The Year")
+
+	return strings.TrimSpace(name)
+}
diff --git a/crawler/game.go b/crawler/game.go
new file mode 100644
index 0000000..9c7c018
--- /dev/null
+++ b/crawler/game.go
@@ -0,0 +1,168 @@
+package crawler
+
+import (
+	"errors"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strings"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+func GenerateGameInfo(platform string, id int) (*model.GameInfo, error) {
+	switch platform {
+	case "steam":
+		return GenerateSteamGameInfo(id)
+	case "igdb":
+		return GenerateIGDBGameInfo(id)
+	default:
+		return nil, errors.New("Invalid ID type")
+	}
+}
+
+func OrganizeGameDownload(game *model.GameDownload) (*model.GameInfo, error) {
+	item, err := OrganizeGameDownloadWithIGDB(0, game)
+	if err == nil {
+		if item.SteamID == 0 {
+			steamID, err := GetSteamIDByIGDBIDCache(item.IGDBID)
+			if err == nil {
+				item.SteamID = steamID
+			}
+			return item, nil
+		}
+	}
+	item, err = OrganizeGameDownloadWithSteam(0, game)
+	if err == nil {
+		if item.IGDBID == 0 {
+			igdbID, err := GetIGDBIDBySteamIDCache(item.SteamID)
+			if err == nil {
+				item.IGDBID = igdbID
+			}
+		}
+		return item, nil
+	}
+	return nil, err
+}
+
+func AddGameInfoManually(gameID primitive.ObjectID, platform string, plateformID int) (*model.GameInfo, error) {
+	info, err := GenerateGameInfo(platform, plateformID)
+	if err != nil {
+		return nil, err
+	}
+	info.GameIDs = append(info.GameIDs, gameID)
+	info.GameIDs = utils.Unique(info.GameIDs)
+	return info, db.SaveGameInfo(info)
+}
+
+func OrganizeGameDownloadManually(gameID primitive.ObjectID, platform string, platformID int) (*model.GameInfo, error) {
+	info, err := db.GetGameInfoByPlatformID(platform, platformID)
+	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			info, err = AddGameInfoManually(gameID, platform, platformID)
+			if err != nil {
+				return nil, err
+			}
+		} else {
+			return nil, err
+		}
+	}
+	info.GameIDs = append(info.GameIDs, gameID)
+	info.GameIDs = utils.Unique(info.GameIDs)
+	err = db.SaveGameInfo(info)
+	if err != nil {
+		return nil, err
+	}
+	if platform == "igdb" {
+		steamID, err := GetSteamIDByIGDBIDCache(platformID)
+		if err == nil {
+			info.SteamID = steamID
+		}
+	}
+	if platform == "steam" {
+		igdbID, err := GetIGDBIDBySteamIDCache(platformID)
+		if err == nil {
+			info.IGDBID = igdbID
+		}
+	}
+	return info, nil
+}
+
+func FormatName(name string) string {
+	name = regexp.MustCompile(`(?i)[\w’'-]+\s(Edition|Vision|Collection|Bundle|Pack|Deluxe)`).ReplaceAllString(name, " ")
+	name = regexp.MustCompile(`(?i)GOTY`).ReplaceAllString(name, "")
+	name = regexp.MustCompile(`(?i)nsw for pc`).ReplaceAllString(name, "")
+	name = regexp.MustCompile(`\([^\)]+\)`).ReplaceAllString(name, "")
+	name = regexp.MustCompile(`\s+`).ReplaceAllString(name, " ")
+	name = strings.Replace(name, ": Remastered", "", -1)
+	name = strings.Replace(name, ": Remaster", "", -1)
+	name = strings.TrimSpace(name)
+	name = strings.Trim(name, ":")
+	return name
+}
+
+func TransformSteamIDToIGDBID() {
+	gameInfos, err := db.GetGameInfoWithSteamID()
+	if err != nil {
+		return
+	}
+	for _, info := range gameInfos {
+		id, err := GetIGDBIDBySteamIDCache(info.SteamID)
+		if err != nil {
+			continue
+		}
+		existedInfo, err := db.GetGameInfoByPlatformID("igdb", id)
+		if err == nil {
+			existedInfo.GameIDs = append(existedInfo.GameIDs, info.GameIDs...)
+			existedInfo.GameIDs = utils.Unique(existedInfo.GameIDs)
+			_ = db.SaveGameInfo(existedInfo)
+			_ = db.DeleteGameInfoByID(info.ID)
+		} else {
+			if err == mongo.ErrNoDocuments {
+				newInfo, err := GenerateIGDBGameInfo(id)
+				if err != nil {
+					continue
+				}
+				newInfo.ID = info.ID
+				newInfo.CreatedAt = info.CreatedAt
+				newInfo.GameIDs = info.GameIDs
+				_ = db.SaveGameInfo(newInfo)
+			}
+		}
+	}
+}
+
+func SupplementGameInfoPlatformID() error {
+	infos, err := db.GetAllGameInfos()
+	if err != nil {
+		return err
+	}
+	for _, info := range infos {
+		changed := false
+		if info.IGDBID != 0 && info.SteamID == 0 {
+			steamID, err := GetSteamIDByIGDBIDCache(info.IGDBID)
+			time.Sleep(time.Millisecond * 100)
+			if err != nil {
+				continue
+			}
+			info.SteamID = steamID
+			changed = true
+		}
+		if info.SteamID != 0 && info.IGDBID == 0 {
+			igdbID, err := GetIGDBIDBySteamIDCache(info.SteamID)
+			time.Sleep(time.Millisecond * 100)
+			if err != nil {
+				continue
+			}
+			info.IGDBID = igdbID
+			changed = true
+		}
+		if changed {
+			_ = db.SaveGameInfo(info)
+		}
+	}
+	return nil
+}
diff --git a/crawler/gnarly.go b/crawler/gnarly.go
new file mode 100644
index 0000000..c18c13d
--- /dev/null
+++ b/crawler/gnarly.go
@@ -0,0 +1,105 @@
+package crawler
+
+import (
+	"bytes"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type GnarlyCrawler struct {
+	logger *zap.Logger
+}
+
+func NewGnarlyCrawler(logger *zap.Logger) *GnarlyCrawler {
+	return &GnarlyCrawler{
+		logger: logger,
+	}
+}
+
+func (c *GnarlyCrawler) Crawl(num int) ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	count := 0
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.GnarlyURL,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	sizeRegex := regexp.MustCompile(`\[(\d+)\s(GB|MB)\]`)
+	pElementHtml := make([]string, 0)
+	doc.Find("p").Each(func(i int, s *goquery.Selection) {
+		pElementHtml = append(pElementHtml, s.Text())
+	})
+	for _, s := range pElementHtml {
+		if strings.Contains(s, "https://bin.0xfc.de/") {
+			lines := strings.Split(s, "\n")
+			for i := 0; i < len(lines); i++ {
+				if strings.Contains(lines[i], "[Gnarly Repacks]") {
+					i++
+					if strings.Contains(lines[i], "https://bin.0xfc.de/") {
+						if count == num {
+							return res, nil
+						}
+						if db.IsGnarlyCrawled(lines[i-1]) {
+							continue
+						}
+						item, err := db.GetGameDownloadByUrl(lines[i])
+						if err != nil {
+							continue
+						}
+						sizeRegexRes := sizeRegex.FindStringSubmatch(lines[i])
+						if len(sizeRegexRes) == 3 {
+							item.Size = sizeRegexRes[1] + " " + sizeRegexRes[2]
+						}
+						c.logger.Info("Crawling", zap.String("Name", lines[i-1]))
+						item.RawName = lines[i-1]
+						item.Url = constant.GnarlyURL
+						item.Author = "Gnarly"
+						item.Name = GnarlyFormatter(item.RawName)
+						download, err := utils.DecryptPrivateBin(lines[i], "gnarly")
+						if err != nil {
+							continue
+						}
+						item.Download = download
+						item.UpdateFlag = item.RawName
+						res = append(res, item)
+						count++
+						info, err := OrganizeGameDownload(item)
+						if err != nil {
+							continue
+						}
+						err = db.SaveGameInfo(info)
+						if err != nil {
+							c.logger.Warn("Failed to save game info", zap.Error(err))
+							continue
+						}
+					}
+				}
+			}
+		}
+	}
+	return res, nil
+}
+
+func (c *GnarlyCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	return c.Crawl(-1)
+}
+
+var parenthesesRegex = regexp.MustCompile(`\(([^)]+)\)`)
+
+func GnarlyFormatter(name string) string {
+	name = name[:strings.Index(name, " [Gnarly Repacks]")]
+	name = parenthesesRegex.ReplaceAllString(name, "")
+	return strings.TrimSpace(name)
+}
diff --git a/crawler/goggames.go b/crawler/goggames.go
new file mode 100644
index 0000000..e25e6ec
--- /dev/null
+++ b/crawler/goggames.go
@@ -0,0 +1,153 @@
+package crawler
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type GOGGamesCrawler struct {
+	logger *zap.Logger
+}
+
+func NewGOGGamesCrawler(logger *zap.Logger) *GOGGamesCrawler {
+	return &GOGGamesCrawler{
+		logger: logger,
+	}
+}
+
+func (c *GOGGamesCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	name := strings.TrimSpace(doc.Find("#game-details>.container>h1").First().Text())
+	magnetRegex := regexp.MustCompile(`magnet:\?[^"]*`)
+	magnetRegexRes := magnetRegex.FindString(string(resp.Data))
+	if magnetRegexRes == "" {
+		return nil, errors.New("magnet not found")
+	}
+	sizeStrs := make([]string, 0)
+	doc.Find(".container>.items-group").First().Find(".filesize").Each(func(i int, s *goquery.Selection) {
+		sizeStrs = append(sizeStrs, s.Text())
+	})
+	size, err := utils.SubSizeStrings(sizeStrs)
+	if err != nil {
+		return nil, err
+	}
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.Name = name
+	item.RawName = name
+	item.Download = magnetRegexRes
+	item.Url = url
+	item.Size = size
+	item.Author = "GOGGames"
+	return item, nil
+}
+
+func (c *GOGGamesCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: fmt.Sprintf(constant.GOGGamesURL, page),
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	urls := make([]string, 0)
+	doc.Find(".game-blocks>a").Each(func(i int, s *goquery.Selection) {
+		u, exist := s.Attr("href")
+		if !exist {
+			return
+		}
+		urls = append(urls, fmt.Sprintf("%s%s", constant.GOGGamesBaseURL, u))
+	})
+	res := make([]*model.GameDownload, 0)
+	for _, u := range urls {
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		if err := db.SaveGameDownload(item); err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		res = append(res, item)
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		if err := db.SaveGameInfo(info); err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *GOGGamesCrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	res := make([]*model.GameDownload, 0)
+	for _, page := range pages {
+		items, err := c.Crawl(page)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *GOGGamesCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	var res []*model.GameDownload
+	for i := 1; i <= totalPageNum; i++ {
+		items, err := c.Crawl(i)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *GOGGamesCrawler) GetTotalPageNum() (int, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: fmt.Sprintf(constant.GOGGamesURL, 1),
+	})
+	if err != nil {
+		return 0, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return 0, err
+	}
+	btns := doc.Find(".pagination>.btn")
+	return strconv.Atoi(strings.TrimSpace(btns.Eq(btns.Length() - 2).Text()))
+}
diff --git a/crawler/igdb.go b/crawler/igdb.go
new file mode 100644
index 0000000..a0ba5ec
--- /dev/null
+++ b/crawler/igdb.go
@@ -0,0 +1,479 @@
+package crawler
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/url"
+	"pcgamedb/cache"
+	"pcgamedb/config"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"runtime/debug"
+	"strconv"
+	"strings"
+)
+
+var TwitchToken string
+
+func _GetIGDBID(name string) (int, error) {
+	var err error
+	if TwitchToken == "" {
+		TwitchToken, err = LoginTwitch()
+		if err != nil {
+			return 0, fmt.Errorf("failed to login twitch: %w", err)
+		}
+	}
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.IGDBSearchURL,
+		Headers: map[string]string{
+			"Client-ID":     config.Config.Twitch.ClientID,
+			"Authorization": "Bearer " + TwitchToken,
+			"User-Agent":    "",
+			"Content-Type":  "text/plain",
+		},
+		Data:   fmt.Sprintf(`search "%s"; fields *; limit 50; where game.platforms = [6] | game.platforms=[130] | game.platforms=[384] | game.platforms=[163];`, name),
+		Method: "POST",
+	})
+	if string(resp.Data) == "[]" {
+		resp, err = utils.Fetch(utils.FetchConfig{
+			Url: constant.IGDBSearchURL,
+			Headers: map[string]string{
+				"Client-ID":     config.Config.Twitch.ClientID,
+				"Authorization": "Bearer " + TwitchToken,
+				"User-Agent":    "",
+				"Content-Type":  "text/plain",
+			},
+			Data:   fmt.Sprintf(`search "%s"; fields *; limit 50;`, name),
+			Method: "POST",
+		})
+	}
+	if err != nil {
+		return 0, err
+	}
+	var data model.IGDBSearches
+	if err = json.Unmarshal(resp.Data, &data); err != nil {
+		return 0, fmt.Errorf("failed to unmarshal: %w, %s", err, debug.Stack())
+	}
+	if len(data) == 1 {
+		return data[0].Game, nil
+	}
+	for _, item := range data {
+		if strings.EqualFold(item.Name, name) {
+			return item.Game, nil
+		}
+		if utils.Similarity(name, item.Name) >= 0.8 {
+			return item.Game, nil
+		}
+		detail, err := GetIGDBAppDetailCache(item.Game)
+		if err != nil {
+			return 0, err
+		}
+		for _, alternativeNames := range detail.AlternativeNames {
+			if utils.Similarity(alternativeNames.Name, name) >= 0.8 {
+				return item.Game, nil
+			}
+		}
+	}
+	return 0, fmt.Errorf("IGDB ID not found: %s", name)
+}
+
+func GetIGDBID(name string) (int, error) {
+	name1 := name
+	name2 := FormatName(name)
+	names := []string{name1}
+	if name1 != name2 {
+		names = append(names, name2)
+	}
+	for _, name := range names {
+		id, err := _GetIGDBID(name)
+		if err == nil {
+			return id, nil
+		}
+	}
+	return 0, errors.New("IGDB ID not found")
+}
+
+func GetIGDBIDCache(name string) (int, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("igdb_id:%s", name)
+		val, exist := cache.Get(key)
+		if exist {
+			id, err := strconv.Atoi(val)
+			if err != nil {
+				return 0, err
+			}
+			return id, nil
+		} else {
+			id, err := GetIGDBID(name)
+			if err != nil {
+				return 0, err
+			}
+			_ = cache.Add(key, id)
+			return id, nil
+		}
+	} else {
+		return GetIGDBID(name)
+	}
+}
+
+func GetIGDBAppDetail(id int) (*model.IGDBGameDetail, error) {
+	var err error
+	if TwitchToken == "" {
+		TwitchToken, err = LoginTwitch()
+		if err != nil {
+			return nil, err
+		}
+	}
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.IGDBGameURL,
+		Headers: map[string]string{
+			"Client-ID":     config.Config.Twitch.ClientID,
+			"Authorization": "Bearer " + TwitchToken,
+			"User-Agent":    "",
+			"Content-Type":  "text/plain",
+		},
+		Data:   fmt.Sprintf(`where id=%v ;fields *,alternative_names.name,language_supports.language,language_supports.language_support_type,screenshots.url,cover.url,involved_companies.company,involved_companies.developer,involved_companies.publisher;`, id),
+		Method: "POST",
+	})
+	if err != nil {
+		return nil, err
+	}
+	var data model.IGDBGameDetails
+	if err = json.Unmarshal(resp.Data, &data); err != nil {
+		return nil, err
+	}
+	if len(data) == 0 {
+		return nil, errors.New("IGDB App not found")
+	}
+	if data[0].Name == "" {
+		return GetIGDBAppDetail(id)
+	}
+	return data[0], nil
+}
+
+func GetIGDBAppDetailCache(id int) (*model.IGDBGameDetail, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("igdb_game:%v", id)
+		val, exist := cache.Get(key)
+		if exist {
+			var data model.IGDBGameDetail
+			if err := json.Unmarshal([]byte(val), &data); err != nil {
+				return nil, err
+			}
+			return &data, nil
+		} else {
+			data, err := GetIGDBAppDetail(id)
+			if err != nil {
+				return nil, err
+			}
+			dataBytes, err := json.Marshal(data)
+			if err != nil {
+				return nil, err
+			}
+			_ = cache.Add(key, dataBytes)
+			return data, nil
+		}
+	} else {
+		return GetIGDBAppDetail(id)
+	}
+}
+
+func LoginTwitch() (string, error) {
+	baseURL, _ := url.Parse(constant.TwitchAuthURL)
+	params := url.Values{}
+	params.Add("client_id", config.Config.Twitch.ClientID)
+	params.Add("client_secret", config.Config.Twitch.ClientSecret)
+	params.Add("grant_type", "client_credentials")
+	baseURL.RawQuery = params.Encode()
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url:    baseURL.String(),
+		Method: "POST",
+		Headers: map[string]string{
+			"User-Agent": "",
+		},
+	})
+	if err != nil {
+		return "", err
+	}
+	data := struct {
+		AccessToken string `json:"access_token"`
+	}{}
+	err = json.Unmarshal(resp.Data, &data)
+	if err != nil {
+		return "", err
+	}
+	return data.AccessToken, nil
+}
+
+func GetIGDBCompany(id int) (string, error) {
+	var err error
+	if TwitchToken == "" {
+		TwitchToken, err = LoginTwitch()
+		if err != nil {
+			return "", err
+		}
+	}
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.IGDBCompaniesURL,
+		Headers: map[string]string{
+			"Client-ID":     config.Config.Twitch.ClientID,
+			"Authorization": "Bearer " + TwitchToken,
+			"User-Agent":    "",
+			"Content-Type":  "text/plain",
+		},
+		Data:   fmt.Sprintf(`where id=%v; fields *;`, id),
+		Method: "POST",
+	})
+	if err != nil {
+		return "", err
+	}
+	var data model.IGDBCompanies
+	if err = json.Unmarshal(resp.Data, &data); err != nil {
+		return "", err
+	}
+	if len(data) == 0 {
+		return "", errors.New("Not found")
+	}
+	if data[0].Name == "" {
+		return GetIGDBCompany(id)
+	}
+	return data[0].Name, nil
+}
+
+func GetIGDBCompanyCache(id int) (string, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("igdb_companies:%v", id)
+		val, exist := cache.Get(key)
+		if exist {
+			return val, nil
+		} else {
+			data, err := GetIGDBCompany(id)
+			if err != nil {
+				return "", err
+			}
+			_ = cache.Add(key, data)
+			return data, nil
+		}
+	} else {
+		return GetIGDBCompany(id)
+	}
+}
+
+func GenerateIGDBGameInfo(id int) (*model.GameInfo, error) {
+	item := &model.GameInfo{}
+	detail, err := GetIGDBAppDetailCache(id)
+	if err != nil {
+		return nil, err
+	}
+	item.IGDBID = id
+	item.Name = detail.Name
+	item.Description = detail.Summary
+	item.Cover = strings.Replace(detail.Cover.URL, "t_thumb", "t_original", 1)
+
+	for _, lang := range detail.LanguageSupports {
+		if lang.LanguageSupportType == 3 {
+			l, exist := constant.IGDBLanguages[lang.Language]
+			if !exist {
+				continue
+			}
+			item.Languages = append(item.Languages, l.Name)
+		}
+	}
+
+	for _, screenshot := range detail.Screenshots {
+		item.Screenshots = append(item.Screenshots, strings.Replace(screenshot.URL, "t_thumb", "t_original", 1))
+	}
+
+	for _, alias := range detail.AlternativeNames {
+		item.Aliases = append(item.Aliases, alias.Name)
+	}
+
+	for _, company := range detail.InvolvedCompanies {
+		if company.Developer || company.Publisher {
+			companyName, err := GetIGDBCompanyCache(company.Company)
+			if err != nil {
+				continue
+			}
+			if company.Developer {
+				item.Developers = append(item.Developers, companyName)
+			}
+			if company.Publisher {
+				item.Publishers = append(item.Publishers, companyName)
+			}
+		}
+	}
+
+	return item, nil
+}
+
+func OrganizeGameDownloadWithIGDB(id int, game *model.GameDownload) (*model.GameInfo, error) {
+	var err error
+	if id == 0 {
+		id, err = GetIGDBIDCache(game.Name)
+		if err != nil {
+			return nil, err
+		}
+	}
+	d, err := db.GetGameInfoByPlatformID("igdb", id)
+	if err == nil {
+		d.GameIDs = append(d.GameIDs, game.ID)
+		d.GameIDs = utils.Unique(d.GameIDs)
+		return d, nil
+	}
+	info, err := GenerateGameInfo("igdb", id)
+	if err != nil {
+		return nil, err
+	}
+	info.GameIDs = append(info.GameIDs, game.ID)
+	info.GameIDs = utils.Unique(info.GameIDs)
+	return info, nil
+}
+
+func GetIGDBIDBySteamID(id int) (int, error) {
+	var err error
+	if TwitchToken == "" {
+		TwitchToken, err = LoginTwitch()
+		if err != nil {
+			return 0, err
+		}
+	}
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url:    constant.IGDBWebsitesURL,
+		Method: "POST",
+		Headers: map[string]string{
+			"Client-ID":     config.Config.Twitch.ClientID,
+			"Authorization": "Bearer " + TwitchToken,
+			"User-Agent":    "",
+			"Content-Type":  "text/plain",
+		},
+		Data: fmt.Sprintf(`where url = "https://store.steampowered.com/app/%v" | url = "https://store.steampowered.com/app/%v/"*; fields *; limit 500;`, id, id),
+	})
+	if err != nil {
+		return 0, err
+	}
+	var data []struct {
+		Game int `json:"game"`
+	}
+	if err = json.Unmarshal(resp.Data, &data); err != nil {
+		return 0, err
+	}
+	if len(data) == 0 {
+		return 0, errors.New("Not found")
+	}
+	if data[0].Game == 0 {
+		return GetIGDBIDBySteamID(id)
+	}
+	return data[0].Game, nil
+}
+
+func GetIGDBIDBySteamIDCache(id int) (int, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("igdb_id_by_steam_id:%v", id)
+		val, exist := cache.Get(key)
+		if exist {
+			return strconv.Atoi(val)
+		} else {
+			data, err := GetIGDBIDBySteamID(id)
+			if err != nil {
+				return 0, err
+			}
+			_ = cache.Add(key, strconv.Itoa(data))
+			return data, nil
+		}
+	} else {
+		return GetIGDBIDBySteamID(id)
+	}
+}
+
+func GetIGDBIDBySteamIDs(ids []int) (map[int]int, error) {
+	var err error
+	if TwitchToken == "" {
+		TwitchToken, err = LoginTwitch()
+		if err != nil {
+			return nil, err
+		}
+	}
+	conditionBuilder := strings.Builder{}
+	for _, id := range ids {
+		conditionBuilder.WriteString(fmt.Sprintf(`url = "https://store.steampowered.com/app/%v" | `, id))
+		conditionBuilder.WriteString(fmt.Sprintf(`url = "https://store.steampowered.com/app/%v/"* | `, id))
+	}
+	condition := strings.TrimSuffix(conditionBuilder.String(), " | ")
+	respBody := fmt.Sprintf(`where %s; fields *; limit 500;`, condition)
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url:    constant.IGDBWebsitesURL,
+		Method: "POST",
+		Headers: map[string]string{
+			"Client-ID":     config.Config.Twitch.ClientID,
+			"Authorization": "Bearer " + TwitchToken,
+			"User-Agent":    "",
+			"Content-Type":  "text/plain",
+		},
+		Data: respBody,
+	})
+	if err != nil {
+		return nil, err
+	}
+	var data []struct {
+		Game int    `json:"game"`
+		Url  string `json:"url"`
+	}
+	if err = json.Unmarshal(resp.Data, &data); err != nil {
+		return nil, err
+	}
+	ret := make(map[int]int)
+	regex := regexp.MustCompile(`https://store.steampowered.com/app/(\d+)/?`)
+	for _, d := range data {
+		idStr := regex.FindStringSubmatch(d.Url)
+		if len(idStr) < 2 {
+			continue
+		}
+		id, err := strconv.Atoi(idStr[1])
+		if err == nil {
+			ret[id] = d.Game
+		}
+	}
+	for _, id := range ids {
+		if _, ok := ret[id]; !ok {
+			ret[id] = 0
+		}
+	}
+	return ret, nil
+}
+
+func GetIGDBIDBySteamIDsCache(ids []int) (map[int]int, error) {
+	res := make(map[int]int)
+	notExistIDs := make([]int, 0)
+	if config.Config.RedisAvaliable {
+		for _, steamID := range ids {
+			key := fmt.Sprintf("igdb_id_by_steam_id:%v", steamID)
+			val, exist := cache.Get(key)
+			if exist {
+				igdbID, _ := strconv.Atoi(val)
+				res[steamID] = igdbID
+			} else {
+				notExistIDs = append(notExistIDs, steamID)
+			}
+		}
+		if len(res) == len(ids) {
+			return res, nil
+		}
+		idMap, err := GetIGDBIDBySteamIDs(notExistIDs)
+		if err != nil {
+			return nil, err
+		}
+		for steamID, igdbID := range idMap {
+			res[steamID] = igdbID
+			if igdbID != 0 {
+				_ = cache.Add(fmt.Sprintf("igdb_id_by_steam_id:%v", steamID), igdbID)
+			}
+		}
+		return res, nil
+	} else {
+		return GetIGDBIDBySteamIDs(ids)
+	}
+}
diff --git a/crawler/kaoskrew.go b/crawler/kaoskrew.go
new file mode 100644
index 0000000..bc7533d
--- /dev/null
+++ b/crawler/kaoskrew.go
@@ -0,0 +1,66 @@
+package crawler
+
+import (
+	"pcgamedb/model"
+	"regexp"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+const KaOsKrewName string = "KaOsKrew-torrents"
+
+type KaOsKrewCrawler struct {
+	logger  *zap.Logger
+	crawler s1337xCrawler
+}
+
+func NewKaOsKrewCrawler(logger *zap.Logger) *KaOsKrewCrawler {
+	return &KaOsKrewCrawler{
+		logger: logger,
+		crawler: *New1337xCrawler(
+			KaOsKrewName,
+			KaOsKrewFormatter,
+			logger,
+		),
+	}
+}
+
+func (c *KaOsKrewCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	return c.crawler.Crawl(page)
+}
+
+func (c *KaOsKrewCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	return c.crawler.CrawlByUrl(url)
+}
+
+func (c *KaOsKrewCrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	return c.crawler.CrawlMulti(pages)
+}
+
+func (c *KaOsKrewCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	return c.crawler.CrawlAll()
+}
+
+func (c *KaOsKrewCrawler) GetTotalPageNum() (int, error) {
+	return c.crawler.GetTotalPageNum()
+}
+
+var kaOsKrewRegexps = []*regexp.Regexp{
+	regexp.MustCompile(`(?i)\.REPACK2?-KaOs`),
+	regexp.MustCompile(`(?i)\.UPDATE-KaOs`),
+	regexp.MustCompile(`(?i)v\.?\d+(\.\d+)*|Build\.\d+`),
+	regexp.MustCompile(`(?i)\.MULTi\d+`),
+	regexp.MustCompile(`(?i)\sgoty`),
+}
+
+func KaOsKrewFormatter(name string) string {
+	if index := kaOsKrewRegexps[2].FindIndex([]byte(name)); index != nil {
+		name = name[:index[0]]
+	}
+	for _, re := range kaOsKrewRegexps {
+		name = re.ReplaceAllString(name, "")
+	}
+	name = strings.Replace(name, ".", " ", -1)
+	return strings.TrimSpace(name)
+}
diff --git a/crawler/onlinefix.go b/crawler/onlinefix.go
new file mode 100644
index 0000000..0ed08fa
--- /dev/null
+++ b/crawler/onlinefix.go
@@ -0,0 +1,317 @@
+package crawler
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/url"
+	"os"
+	"pcgamedb/config"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type OnlineFixCrawler struct {
+	logger  *zap.Logger
+	cookies map[string]string
+}
+
+func NewOnlineFixCrawler(logger *zap.Logger) *OnlineFixCrawler {
+	return &OnlineFixCrawler{
+		logger:  logger,
+		cookies: map[string]string{},
+	}
+}
+
+func (c *OnlineFixCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	if !config.Config.OnlineFixAvaliable {
+		c.logger.Error("Need Online Fix account")
+		return nil, errors.New("Online Fix is not available")
+	}
+	if len(c.cookies) == 0 {
+		err := c.login()
+		if err != nil {
+			c.logger.Error("Failed to login", zap.Error(err))
+			return nil, err
+		}
+	}
+	requestURL := fmt.Sprintf("%s/page/%d/", constant.OnlineFixURL, page)
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url:     requestURL,
+		Cookies: c.cookies,
+		Headers: map[string]string{
+			"Referer": constant.OnlineFixURL,
+		},
+	})
+	if err != nil {
+		c.logger.Error("Failed to fetch", zap.Error(err))
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		c.logger.Error("Failed to parse HTML", zap.Error(err))
+		return nil, err
+	}
+	urls := []string{}
+	updateFlags := []string{} //link+date
+	doc.Find("article.news").Each(func(i int, s *goquery.Selection) {
+		urls = append(urls, s.Find(".big-link").First().AttrOr("href", ""))
+		updateFlags = append(
+			updateFlags,
+			s.Find(".big-link").First().AttrOr("href", "")+
+				s.Find("time").Text(),
+		)
+	})
+
+	var res []*model.GameDownload
+	for i, u := range urls {
+		if db.IsOnlineFixCrawled(updateFlags[i]) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		item.UpdateFlag = updateFlags[i]
+		err = db.SaveGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err))
+			continue
+		}
+		res = append(res, item)
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *OnlineFixCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	if len(c.cookies) == 0 {
+		err := c.login()
+		if err != nil {
+			c.logger.Error("Failed to login", zap.Error(err))
+			return nil, err
+		}
+	}
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url:     url,
+		Cookies: c.cookies,
+		Headers: map[string]string{
+			"Referer": constant.OnlineFixURL,
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	titleRegex := regexp.MustCompile(`(?i)<h1.*?>(.*?)</h1>`)
+	titleRegexRes := titleRegex.FindAllStringSubmatch(string(resp.Data), -1)
+	if len(titleRegexRes) == 0 {
+		return nil, errors.New("Failed to find title")
+	}
+	downloadRegex := regexp.MustCompile(`(?i)<a[^>]*\bhref="([^"]+)"[^>]*>(Скачать Torrent|Скачать торрент)</a>`)
+	downloadRegexRes := downloadRegex.FindAllStringSubmatch(string(resp.Data), -1)
+	if len(downloadRegexRes) == 0 {
+		return nil, errors.New("Failed to find download button")
+	}
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.RawName = titleRegexRes[0][1]
+	item.Name = OnlineFixFormatter(item.RawName)
+	item.Url = url
+	item.Author = "OnlineFix"
+	item.Size = "0"
+	resp, err = utils.Fetch(utils.FetchConfig{
+		Url:     downloadRegexRes[0][1],
+		Cookies: c.cookies,
+		Headers: map[string]string{
+			"Referer": url,
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	if strings.Contains(downloadRegexRes[0][1], "uploads.online-fix.me") {
+		magnetRegex := regexp.MustCompile(`(?i)"(.*?).torrent"`)
+		magnetRegexRes := magnetRegex.FindAllStringSubmatch(string(resp.Data), -1)
+		if len(magnetRegexRes) == 0 {
+			return nil, errors.New("Failed to find magnet")
+		}
+		resp, err = utils.Fetch(utils.FetchConfig{
+			Url:     downloadRegexRes[0][1] + strings.Trim(magnetRegexRes[0][0], "\""),
+			Cookies: c.cookies,
+			Headers: map[string]string{
+				"Referer": url,
+			},
+		})
+		if err != nil {
+			return nil, err
+		}
+		item.Download, item.Size, err = utils.ConvertTorrentToMagnet(resp.Data)
+		if err != nil {
+			return nil, err
+		}
+	} else if strings.Contains(downloadRegexRes[0][1], "online-fix.me/ext") {
+		if strings.Contains(string(resp.Data), "mega.nz") {
+			if !config.Config.MegaAvaliable {
+				return nil, errors.New("Mega is not avaliable")
+			}
+			megaRegex := regexp.MustCompile(`(?i)location.href=\\'([^\\']*)\\'`)
+			megaRegexRes := megaRegex.FindAllStringSubmatch(string(resp.Data), -1)
+			if len(megaRegexRes) == 0 {
+				return nil, errors.New("Failed to find download link")
+			}
+			path, files, err := utils.MegaDownload(megaRegexRes[0][1], "torrent")
+			if err != nil {
+				return nil, err
+			}
+			torrent := ""
+			for _, file := range files {
+				if strings.HasSuffix(file, ".torrent") {
+					torrent = file
+					break
+				}
+			}
+			dataBytes, err := os.ReadFile(torrent)
+			if err != nil {
+				return nil, err
+			}
+			item.Download, item.Size, err = utils.ConvertTorrentToMagnet(dataBytes)
+			if err != nil {
+				return nil, err
+			}
+			_ = os.RemoveAll(path)
+		} else {
+			return nil, errors.New("Failed to find download link")
+		}
+	} else {
+		return nil, errors.New("Failed to find download link")
+	}
+	return item, nil
+}
+
+func (c *OnlineFixCrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	for _, page := range pages {
+		items, err := c.Crawl(page)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *OnlineFixCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	for i := 1; i <= totalPageNum; i++ {
+		items, err := c.Crawl(i)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *OnlineFixCrawler) GetTotalPageNum() (int, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.OnlineFixURL,
+		Headers: map[string]string{
+			"Referer": constant.OnlineFixURL,
+		},
+	})
+	if err != nil {
+		return 0, err
+	}
+	pageRegex := regexp.MustCompile(`(?i)<a href="https://online-fix.me/page/(\d+)/">.*?</a>`)
+	pageRegexRes := pageRegex.FindAllStringSubmatch(string(resp.Data), -1)
+	if len(pageRegexRes) == 0 {
+		return 0, err
+	}
+	totalPageNum, err := strconv.Atoi(pageRegexRes[len(pageRegexRes)-2][1])
+	if err != nil {
+		return 0, err
+	}
+	return totalPageNum, nil
+}
+
+type csrf struct {
+	Field string `json:"field"`
+	Value string `json:"value"`
+}
+
+func (c *OnlineFixCrawler) login() error {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.OnlineFixCSRFURL,
+		Headers: map[string]string{
+			"X-Requested-With": "XMLHttpRequest",
+			"Referer":          constant.OnlineFixURL,
+		},
+	})
+	if err != nil {
+		return err
+	}
+	var csrf csrf
+	if err = json.Unmarshal(resp.Data, &csrf); err != nil {
+		return err
+	}
+
+	for _, cookie := range resp.Cookie {
+		c.cookies[cookie.Name] = cookie.Value
+	}
+	params := url.Values{}
+	params.Add("login_name", config.Config.OnlineFix.User)
+	params.Add("login_password", config.Config.OnlineFix.Password)
+	params.Add(csrf.Field, csrf.Value)
+	params.Add("login", "submit")
+	resp, err = utils.Fetch(utils.FetchConfig{
+		Url:     constant.OnlineFixURL,
+		Method:  "POST",
+		Cookies: c.cookies,
+		Headers: map[string]string{
+			"Origin":       constant.OnlineFixURL,
+			"Content-Type": "application/x-www-form-urlencoded",
+			"Referer":      constant.OnlineFixURL,
+		},
+		Data: params,
+	})
+	if err != nil {
+		return err
+	}
+	for _, cookie := range resp.Cookie {
+		c.cookies[cookie.Name] = cookie.Value
+	}
+	return nil
+}
+
+func OnlineFixFormatter(name string) string {
+	name = strings.Replace(name, "по сети", "", -1)
+	reg1 := regexp.MustCompile(`(?i)\(.*?\)`)
+	name = reg1.ReplaceAllString(name, "")
+	return strings.TrimSpace(name)
+}
diff --git a/crawler/steam.go b/crawler/steam.go
new file mode 100644
index 0000000..c0d71e3
--- /dev/null
+++ b/crawler/steam.go
@@ -0,0 +1,272 @@
+package crawler
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/url"
+	"pcgamedb/cache"
+	"pcgamedb/config"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+func _GetSteamID(name string) (int, error) {
+	baseURL, _ := url.Parse(constant.SteamSearchURL)
+	params := url.Values{}
+	params.Add("term", name)
+	baseURL.RawQuery = params.Encode()
+
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: baseURL.String(),
+	})
+	if err != nil {
+		return 0, err
+	}
+	idRegex := regexp.MustCompile(`data-ds-appid="(.*?)"`)
+	nameRegex := regexp.MustCompile(`<span class="title">(.*?)</span>`)
+	idRegexRes := idRegex.FindAllStringSubmatch(string(resp.Data), -1)
+	nameRegexRes := nameRegex.FindAllStringSubmatch(string(resp.Data), -1)
+
+	if len(idRegexRes) == 0 {
+		return 0, fmt.Errorf("Steam ID not found: %s", name)
+	}
+
+	maxSim := 0.0
+	maxSimID := 0
+	for i, id := range idRegexRes {
+		idStr := id[1]
+		nameStr := nameRegexRes[i][1]
+		if index := strings.Index(idStr, ","); index != -1 {
+			idStr = idStr[:index]
+		}
+		if strings.EqualFold(strings.TrimSpace(nameStr), strings.TrimSpace(name)) {
+			return strconv.Atoi(idStr)
+		} else {
+			sim := utils.Similarity(nameStr, name)
+			if sim >= 0.8 && sim > maxSim {
+				maxSim = sim
+				maxSimID, _ = strconv.Atoi(idStr)
+			}
+		}
+	}
+	if maxSimID != 0 {
+		return maxSimID, nil
+	}
+	return 0, fmt.Errorf("Steam ID not found: %s", name)
+}
+
+func GetSteamID(name string) (int, error) {
+	name1 := name
+	name2 := FormatName(name)
+	names := []string{name1}
+	if name1 != name2 {
+		names = append(names, name2)
+	}
+	for _, n := range names {
+		id, err := _GetSteamID(n)
+		if err == nil {
+			return id, nil
+		}
+	}
+	return 0, errors.New("Steam ID not found")
+}
+
+func GetSteamIDCache(name string) (int, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("steam_id:%s", name)
+		val, exist := cache.Get(key)
+		if exist {
+			id, err := strconv.Atoi(val)
+			if err != nil {
+				return 0, err
+			}
+			return id, nil
+		} else {
+			id, err := GetSteamID(name)
+			if err != nil {
+				return 0, err
+			}
+			_ = cache.Add(key, id)
+			return id, nil
+		}
+	} else {
+		return GetSteamID(name)
+	}
+}
+
+func GetSteamAppDetail(id int) (*model.SteamAppDetail, error) {
+	baseURL, _ := url.Parse(constant.SteamAppDetailURL)
+	params := url.Values{}
+	params.Add("appids", strconv.Itoa(id))
+	// params.Add("l", "schinese")
+	baseURL.RawQuery = params.Encode()
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: baseURL.String(),
+		Headers: map[string]string{
+			"User-Agent": "",
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	var detail map[string]*model.SteamAppDetail
+	if err = json.Unmarshal(resp.Data, &detail); err != nil {
+		return nil, err
+	}
+	if _, ok := detail[strconv.Itoa(id)]; !ok {
+		return nil, fmt.Errorf("Steam App not found: %d", id)
+	}
+	if detail[strconv.Itoa(id)] == nil {
+		return nil, fmt.Errorf("Steam App not found: %d", id)
+	}
+	return detail[strconv.Itoa(id)], nil
+}
+
+func GetSteamAppDetailCache(id int) (*model.SteamAppDetail, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("steam_game:%d", id)
+		val, exist := cache.Get(key)
+		if exist {
+			var detail model.SteamAppDetail
+			if err := json.Unmarshal([]byte(val), &detail); err != nil {
+				return nil, err
+			}
+			return &detail, nil
+		} else {
+			data, err := GetSteamAppDetail(id)
+			if err != nil {
+				return nil, err
+			}
+			dataBytes, err := json.Marshal(data)
+			if err != nil {
+				return nil, err
+			}
+			_ = cache.Add(key, dataBytes)
+			return data, nil
+		}
+	} else {
+		return GetSteamAppDetail(id)
+	}
+}
+
+func GenerateSteamGameInfo(id int) (*model.GameInfo, error) {
+	item := &model.GameInfo{}
+	detail, err := GetSteamAppDetailCache(id)
+	if err != nil {
+		return nil, err
+	}
+	item.SteamID = id
+	item.Name = detail.Data.Name
+	item.Description = detail.Data.ShortDescription
+	item.Cover = fmt.Sprintf("https://shared.cloudflare.steamstatic.com/store_item_assets/steam/apps/%v/library_600x900_2x.jpg", id)
+	item.Developers = detail.Data.Developers
+	item.Publishers = detail.Data.Publishers
+	screenshots := []string{}
+	for _, screenshot := range detail.Data.Screenshots {
+		screenshots = append(screenshots, screenshot.PathFull)
+	}
+	item.Screenshots = screenshots
+	return item, nil
+}
+
+func OrganizeGameDownloadWithSteam(id int, game *model.GameDownload) (*model.GameInfo, error) {
+	var err error
+	if id == 0 {
+		id, err = GetSteamIDCache(game.Name)
+		if err != nil {
+			return nil, err
+		}
+	}
+	d, err := db.GetGameInfoByPlatformID("steam", id)
+	if err == nil {
+		d.GameIDs = append(d.GameIDs, game.ID)
+		d.GameIDs = utils.Unique(d.GameIDs)
+		return d, nil
+	}
+	detail, err := GenerateGameInfo("steam", id)
+	if err != nil {
+		return nil, err
+	}
+	detail.GameIDs = append(detail.GameIDs, game.ID)
+	detail.GameIDs = utils.Unique(detail.GameIDs)
+	return detail, nil
+}
+
+func GetSteamIDByIGDBID(IGDBID int) (int, error) {
+	var err error
+	if TwitchToken == "" {
+		TwitchToken, err = LoginTwitch()
+		if err != nil {
+			return 0, err
+		}
+	}
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url:    constant.IGDBWebsitesURL,
+		Method: "POST",
+		Headers: map[string]string{
+			"Client-ID":     config.Config.Twitch.ClientID,
+			"Authorization": "Bearer " + TwitchToken,
+			"User-Agent":    "",
+			"Content-Type":  "text/plain",
+		},
+		Data: fmt.Sprintf(`where game = %v; fields *; limit 500;`, IGDBID),
+	})
+	if err != nil {
+		return 0, err
+	}
+	var data []struct {
+		Game int    `json:"game"`
+		Url  string `json:"url"`
+	}
+	if err = json.Unmarshal(resp.Data, &data); err != nil {
+		return 0, err
+	}
+	if len(data) == 0 {
+		return 0, errors.New("Not found")
+	}
+	for _, v := range data {
+		if strings.HasPrefix(v.Url, "https://store.steampowered.com/app/") {
+			regex := regexp.MustCompile(`https://store.steampowered.com/app/(\d+)/?`)
+			idStr := regex.FindStringSubmatch(v.Url)
+			if len(idStr) < 2 {
+				return 0, errors.New("Failed parse")
+			}
+			steamID, err := strconv.Atoi(idStr[1])
+			if err != nil {
+				return 0, err
+			}
+			return steamID, nil
+		}
+	}
+	return 0, errors.New("Not found")
+}
+
+func GetSteamIDByIGDBIDCache(IGDBID int) (int, error) {
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("steam_game:%d", IGDBID)
+		val, exist := cache.Get(key)
+		if exist {
+			id, err := strconv.Atoi(val)
+			if err != nil {
+				return 0, err
+			}
+			return id, nil
+		} else {
+			id, err := GetSteamIDByIGDBID(IGDBID)
+			if err != nil {
+				return 0, err
+			}
+			dataBytes := strconv.Itoa(id)
+			_ = cache.Add(key, dataBytes)
+			return id, nil
+		}
+	} else {
+		return GetSteamIDByIGDBID(IGDBID)
+	}
+}
diff --git a/crawler/steam250.go b/crawler/steam250.go
new file mode 100644
index 0000000..a7bab20
--- /dev/null
+++ b/crawler/steam250.go
@@ -0,0 +1,135 @@
+package crawler
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"pcgamedb/cache"
+	"pcgamedb/config"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"time"
+
+	"github.com/PuerkitoBio/goquery"
+)
+
+func GetSteam250(url string) ([]*model.GameInfo, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	var rank []model.Steam250Item
+	var item model.Steam250Item
+	steamIDs := make([]int, 0)
+	doc.Find(".appline").Each(func(i int, s *goquery.Selection) {
+		item.Name = s.Find(".title>a").First().Text()
+		idStr := s.Find(".store").AttrOr("href", "")
+		idSlice := regexp.MustCompile(`app/(\d+)/`).FindStringSubmatch(idStr)
+		if len(idSlice) < 2 {
+			return
+		}
+		item.SteamID, _ = strconv.Atoi(idSlice[1])
+		rank = append(rank, item)
+		steamIDs = append(steamIDs, item.SteamID)
+	})
+	var res []*model.GameInfo
+	count := 0
+	idMap, err := GetIGDBIDBySteamIDsCache(steamIDs)
+	if err != nil {
+		return nil, err
+	}
+	for _, item := range rank {
+		if count == 10 {
+			break
+		}
+		if idMap[item.SteamID] != 0 {
+			info, err := db.GetGameInfoByPlatformID("igdb", idMap[item.SteamID])
+			if err == nil {
+				res = append(res, info)
+				count++
+				continue
+			}
+		} else {
+			info, err := db.GetGameInfoByPlatformID("steam", item.SteamID)
+			if err == nil {
+				res = append(res, info)
+				count++
+				continue
+			}
+		}
+	}
+	return res, nil
+}
+
+func GetSteam250Top250() ([]*model.GameInfo, error) {
+	return GetSteam250(constant.Steam250Top250URL)
+}
+
+func GetSteam250Top250Cache() ([]*model.GameInfo, error) {
+	return GetSteam250Cache("top250", GetSteam250Top250)
+}
+
+func GetSteam250BestOfTheYear() ([]*model.GameInfo, error) {
+	return GetSteam250(fmt.Sprintf(constant.Steam250BestOfTheYearURL, time.Now().UTC().Year()))
+}
+
+func GetSteam250BestOfTheYearCache() ([]*model.GameInfo, error) {
+	return GetSteam250Cache(fmt.Sprintf("bestoftheyear:%v", time.Now().UTC().Year()), GetSteam250BestOfTheYear)
+}
+
+func GetSteam250WeekTop50() ([]*model.GameInfo, error) {
+	return GetSteam250(constant.Steam250WeekTop50URL)
+}
+
+func GetSteam250WeekTop50Cache() ([]*model.GameInfo, error) {
+	return GetSteam250Cache("weektop50", GetSteam250WeekTop50)
+}
+
+func GetSteam250MostPlayed() ([]*model.GameInfo, error) {
+	return GetSteam250(constant.Steam250MostPlayedURL)
+}
+
+func GetSteam250MostPlayedCache() ([]*model.GameInfo, error) {
+	return GetSteam250Cache("mostplayed", GetSteam250MostPlayed)
+}
+
+func GetSteam250Cache(k string, f func() ([]*model.GameInfo, error)) ([]*model.GameInfo, error) {
+	if config.Config.RedisAvaliable {
+		key := k
+		val, exist := cache.Get(key)
+		if exist {
+			var res []*model.GameInfo
+			err := json.Unmarshal([]byte(val), &res)
+			if err != nil {
+				return nil, err
+			}
+			return res, nil
+		} else {
+			data, err := f()
+			if err != nil {
+				return nil, err
+			}
+			dataBytes, err := json.Marshal(data)
+			if err != nil {
+				return data, nil
+			}
+			err = cache.AddWithExpire(key, dataBytes, 24*time.Hour)
+			if err != nil {
+				return data, nil
+			}
+			return data, nil
+		}
+	} else {
+		return f()
+	}
+}
diff --git a/crawler/steamrip.go b/crawler/steamrip.go
new file mode 100644
index 0000000..6771813
--- /dev/null
+++ b/crawler/steamrip.go
@@ -0,0 +1,137 @@
+package crawler
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type SteamRIPCrawler struct {
+	logger *zap.Logger
+}
+
+func NewSteamRIPCrawler(logger *zap.Logger) *SteamRIPCrawler {
+	return &SteamRIPCrawler{
+		logger: logger,
+	}
+}
+
+func (c *SteamRIPCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.RawName = strings.TrimSpace(doc.Find(".entry-title").First().Text())
+	item.Name = SteamRIPFormatter(item.RawName)
+	item.Url = url
+	item.Author = "SteamRIP"
+	sizeRegex := regexp.MustCompile(`(?i)<li><strong>Game Size:\s?</strong>(.*?)</li>`)
+	sizeRegexRes := sizeRegex.FindStringSubmatch(string(resp.Data))
+	if len(sizeRegexRes) != 0 {
+		item.Size = strings.TrimSpace(sizeRegexRes[1])
+	} else {
+		item.Size = "unknown"
+	}
+	megadbRegex := regexp.MustCompile(`(?i)(?:https?:)?(//megadb\.net/[^"]+)`)
+	megadbRegexRes := megadbRegex.FindStringSubmatch(string(resp.Data))
+	if len(megadbRegexRes) != 0 {
+		item.Download = fmt.Sprintf("https:%s", megadbRegexRes[1])
+	}
+	gofileRegex := regexp.MustCompile(`(?i)(?:https?:)?(//gofile\.io/d/[^"]+)`)
+	gofileRegexRes := gofileRegex.FindStringSubmatch(string(resp.Data))
+	if item.Download == "" && len(gofileRegexRes) != 0 {
+		item.Download = fmt.Sprintf("https:%s", gofileRegexRes[1])
+	}
+	if item.Download == "" {
+		return nil, errors.New("Failed to find download link")
+	}
+
+	return item, nil
+}
+
+func (c *SteamRIPCrawler) Crawl(num int) ([]*model.GameDownload, error) {
+	count := 0
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.SteamRIPGameListURL,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	var items []*model.GameDownload
+	urls := []string{}
+	updateFlags := []string{} // title
+	doc.Find(".az-list-item>a").Each(func(i int, s *goquery.Selection) {
+		u, exist := s.Attr("href")
+		if !exist {
+			return
+		}
+		urls = append(urls, fmt.Sprintf("%s%s", constant.SteamRIPBaseURL, u))
+		updateFlags = append(updateFlags, s.Text())
+	})
+	for i, u := range urls {
+		if count == num {
+			break
+		}
+		if db.IsSteamRIPCrawled(updateFlags[i]) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Error("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		item.UpdateFlag = updateFlags[i]
+		if err := db.SaveGameDownload(item); err != nil {
+			c.logger.Error("Failed to save item", zap.Error(err))
+			continue
+		}
+		items = append(items, item)
+		count++
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return items, nil
+}
+
+func (c *SteamRIPCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	return c.Crawl(-1)
+}
+
+func SteamRIPFormatter(name string) string {
+	name = regexp.MustCompile(`\([^\)]+\)`).ReplaceAllString(name, "")
+	name = strings.Replace(name, "Free Download", "", -1)
+	name = strings.TrimSpace(name)
+	return name
+}
diff --git a/crawler/xatab.go b/crawler/xatab.go
new file mode 100644
index 0000000..624d25a
--- /dev/null
+++ b/crawler/xatab.go
@@ -0,0 +1,218 @@
+package crawler
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"pcgamedb/constant"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"pcgamedb/utils"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"go.uber.org/zap"
+)
+
+type XatabCrawler struct {
+	logger *zap.Logger
+}
+
+func NewXatabCrawler(logger *zap.Logger) *XatabCrawler {
+	return &XatabCrawler{
+		logger: logger,
+	}
+}
+
+func (c *XatabCrawler) Crawl(page int) ([]*model.GameDownload, error) {
+	requestURL := fmt.Sprintf("%s/page/%v", constant.XatabBaseURL, page)
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: requestURL,
+	})
+	if err != nil {
+		c.logger.Error("Failed to fetch", zap.Error(err))
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		c.logger.Error("Failed to parse HTML", zap.Error(err))
+		return nil, err
+	}
+	urls := []string{}
+	updateFlags := []string{} // title
+	doc.Find(".entry").Each(func(i int, s *goquery.Selection) {
+		u, exist := s.Find(".entry__title.h2 a").Attr("href")
+		if !exist {
+			return
+		}
+		urls = append(urls, u)
+		updateFlags = append(updateFlags, s.Find(".entry__title.h2 a").Text())
+	})
+	var res []*model.GameDownload
+	for i, u := range urls {
+		if db.IsXatabCrawled(updateFlags[i]) {
+			continue
+		}
+		c.logger.Info("Crawling", zap.String("URL", u))
+		item, err := c.CrawlByUrl(u)
+		if err != nil {
+			c.logger.Warn("Failed to crawl", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err))
+			continue
+		}
+		res = append(res, item)
+		info, err := OrganizeGameDownload(item)
+		if err != nil {
+			c.logger.Warn("Failed to organize", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+		err = db.SaveGameInfo(info)
+		if err != nil {
+			c.logger.Warn("Failed to save", zap.Error(err), zap.String("URL", u))
+			continue
+		}
+	}
+	return res, nil
+}
+
+func (c *XatabCrawler) CrawlByUrl(url string) (*model.GameDownload, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: url,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return nil, err
+	}
+	item, err := db.GetGameDownloadByUrl(url)
+	if err != nil {
+		return nil, err
+	}
+	item.Url = url
+	item.RawName = doc.Find(".inner-entry__title").First().Text()
+	item.Name = XatabFormatter(item.RawName)
+	item.Author = "Xatab"
+	item.UpdateFlag = item.RawName
+	downloadURL := doc.Find("#download>a").First().AttrOr("href", "")
+	if downloadURL == "" {
+		return nil, errors.New("Failed to find download URL")
+	}
+	resp, err = utils.Fetch(utils.FetchConfig{
+		Headers: map[string]string{"Referer": url},
+		Url:     downloadURL,
+	})
+	if err != nil {
+		return nil, err
+	}
+	magnet, size, err := utils.ConvertTorrentToMagnet(resp.Data)
+	if err != nil {
+		return nil, err
+	}
+	item.Size = size
+	item.Download = magnet
+	return item, nil
+}
+
+func (c *XatabCrawler) CrawlMulti(pages []int) ([]*model.GameDownload, error) {
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	var res []*model.GameDownload
+	for _, page := range pages {
+		if page > totalPageNum {
+			continue
+		}
+		items, err := c.Crawl(page)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *XatabCrawler) CrawlAll() ([]*model.GameDownload, error) {
+	totalPageNum, err := c.GetTotalPageNum()
+	if err != nil {
+		return nil, err
+	}
+	var res []*model.GameDownload
+	for i := 1; i <= totalPageNum; i++ {
+		items, err := c.Crawl(i)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, items...)
+	}
+	return res, nil
+}
+
+func (c *XatabCrawler) GetTotalPageNum() (int, error) {
+	resp, err := utils.Fetch(utils.FetchConfig{
+		Url: constant.XatabBaseURL,
+	})
+	if err != nil {
+		return 0, err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return 0, err
+	}
+	pageStr := doc.Find(".pagination>a").Last().Text()
+	totalPageNum, err := strconv.Atoi(pageStr)
+	if err != nil {
+		return 0, err
+	}
+	return totalPageNum, nil
+}
+
+var xatabRegexps = []*regexp.Regexp{
+	regexp.MustCompile(`(?i)\sPC$`),
+}
+
+func XatabFormatter(name string) string {
+	reg1 := regexp.MustCompile(`(?i)v(er)?\s?(\.)?\d+(\.\d+)*`)
+	if index := reg1.FindIndex([]byte(name)); index != nil {
+		name = name[:index[0]]
+	}
+	if index := strings.Index(name, "["); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "("); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "{"); index != -1 {
+		name = name[:index]
+	}
+	if index := strings.Index(name, "+"); index != -1 {
+		name = name[:index]
+	}
+	name = strings.TrimSpace(name)
+	for _, re := range xatabRegexps {
+		name = re.ReplaceAllString(name, "")
+	}
+
+	if index := strings.Index(name, "/"); index != -1 {
+		names := strings.Split(name, "/")
+		longestLength := 0
+		longestName := ""
+		for _, n := range names {
+			if !utils.ContainsRussian(n) && len(n) > longestLength {
+				longestLength = len(n)
+				longestName = n
+			}
+		}
+		name = longestName
+	}
+
+	return strings.TrimSpace(name)
+}
diff --git a/db/1337x.go b/db/1337x.go
new file mode 100644
index 0000000..d2bd444
--- /dev/null
+++ b/db/1337x.go
@@ -0,0 +1,13 @@
+package db
+
+import (
+	"pcgamedb/model"
+)
+
+func GetDODIGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("dodi")
+}
+
+func GetKaOsKrewGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("kaoskrew")
+}
diff --git a/db/armgddn.go b/db/armgddn.go
new file mode 100644
index 0000000..e1fd53d
--- /dev/null
+++ b/db/armgddn.go
@@ -0,0 +1,11 @@
+package db
+
+import "pcgamedb/model"
+
+func IsARMGDDNCrawled(flag string) bool {
+	return IsGameCrawled(flag, "armgddn")
+}
+
+func GetARMGDDNGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("armgddn")
+}
diff --git a/db/chovka.go b/db/chovka.go
new file mode 100644
index 0000000..9c16f28
--- /dev/null
+++ b/db/chovka.go
@@ -0,0 +1,5 @@
+package db
+
+func IsChovkaCrawled(flag string) bool {
+	return IsGameCrawled(flag, "chovka")
+}
diff --git a/db/custom_collection.go b/db/custom_collection.go
new file mode 100644
index 0000000..1e38a9c
--- /dev/null
+++ b/db/custom_collection.go
@@ -0,0 +1,77 @@
+package db
+
+import (
+	"context"
+	"pcgamedb/config"
+
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+type CustomCollection struct {
+	collName string
+	coll     *mongo.Collection
+}
+
+func (c *CustomCollection) Find(ctx context.Context, filter interface{},
+	opts ...*options.FindOptions) (cur *mongo.Cursor, err error) {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.Find(ctx, filter, opts...)
+}
+
+func (c *CustomCollection) FindOne(ctx context.Context, filter interface{},
+	opts ...*options.FindOneOptions) *mongo.SingleResult {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.FindOne(ctx, filter, opts...)
+}
+
+func (c *CustomCollection) UpdateOne(ctx context.Context, filter interface{}, update interface{},
+	opts ...*options.UpdateOptions) (*mongo.UpdateResult, error) {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.UpdateOne(ctx, filter, update, opts...)
+}
+
+func (c *CustomCollection) Aggregate(ctx context.Context, pipeline interface{},
+	opts ...*options.AggregateOptions) (*mongo.Cursor, error) {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.Aggregate(ctx, pipeline, opts...)
+}
+
+func (c *CustomCollection) DeleteOne(ctx context.Context, filter interface{},
+	opts ...*options.DeleteOptions) (*mongo.DeleteResult, error) {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.DeleteOne(ctx, filter, opts...)
+}
+
+func (c *CustomCollection) DeleteMany(ctx context.Context, filter interface{},
+	opts ...*options.DeleteOptions) (*mongo.DeleteResult, error) {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.DeleteMany(ctx, filter, opts...)
+}
+
+func (c *CustomCollection) CountDocuments(ctx context.Context, filter interface{},
+	opts ...*options.CountOptions) (int64, error) {
+	CheckConnect()
+	if c.coll == nil {
+		c.coll = mongoDB.Database(config.Config.Database.Database).Collection(c.collName)
+	}
+	return c.coll.CountDocuments(ctx, filter, opts...)
+}
diff --git a/db/db.go b/db/db.go
new file mode 100644
index 0000000..8018f24
--- /dev/null
+++ b/db/db.go
@@ -0,0 +1,120 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"pcgamedb/config"
+	"pcgamedb/log"
+	"sync"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+	"go.uber.org/zap"
+)
+
+const (
+	gameDownloadCollectionName = "game_downloads"
+	gameInfoCollectionName     = "game_infos"
+)
+
+var (
+	mongoDB                *mongo.Client
+	mutx                   = &sync.RWMutex{}
+	GameDownloadCollection = &CustomCollection{
+		collName: gameDownloadCollectionName,
+	}
+	GameInfoCollection = &CustomCollection{
+		collName: gameInfoCollectionName,
+	}
+)
+
+func connect() {
+	if !config.Config.DatabaseAvaliable {
+		log.Logger.Panic("Missing database configuration information")
+		return
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	clientOptions := options.Client().ApplyURI(fmt.Sprintf(
+		"mongodb://%s:%s@%s:%v",
+		config.Config.Database.User,
+		config.Config.Database.Password,
+		config.Config.Database.Host,
+		config.Config.Database.Port,
+	))
+	client, err := mongo.Connect(ctx, clientOptions)
+	if err != nil {
+		log.Logger.Panic("Failed to connect to MongoDB", zap.Error(err))
+	}
+	ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	err = client.Ping(ctx, nil)
+	if err != nil {
+		log.Logger.Panic("Failed to ping MongoDB", zap.Error(err))
+	}
+	log.Logger.Info("Connected to MongoDB")
+	mongoDB = client
+
+	gameDownloadCollection := mongoDB.Database(config.Config.Database.Database).Collection(gameDownloadCollectionName)
+	gameInfoCollection := mongoDB.Database(config.Config.Database.Database).Collection(gameInfoCollectionName)
+
+	nameIndex := mongo.IndexModel{
+		Keys: bson.D{
+			{Key: "name", Value: 1},
+		},
+	}
+	authorIndex := mongo.IndexModel{
+		Keys: bson.D{
+			{Key: "author", Value: 1},
+		},
+	}
+	gamesIndex := mongo.IndexModel{
+		Keys: bson.D{
+			{Key: "games", Value: 1},
+		},
+	}
+	searchIndex := mongo.IndexModel{
+		Keys: bson.D{{Key: "name", Value: "text"}, {Key: "aliases", Value: "text"}},
+	}
+	ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	_, err = gameDownloadCollection.Indexes().CreateOne(ctx, nameIndex)
+	if err != nil {
+		log.Logger.Error("Failed to create index", zap.Error(err))
+	}
+	_, err = gameDownloadCollection.Indexes().CreateOne(ctx, authorIndex)
+	if err != nil {
+		log.Logger.Error("Failed to create index", zap.Error(err))
+	}
+	_, err = gameInfoCollection.Indexes().CreateOne(ctx, gamesIndex)
+	if err != nil {
+		log.Logger.Error("Failed to create index", zap.Error(err))
+	}
+	_, err = gameInfoCollection.Indexes().CreateOne(ctx, searchIndex)
+	if err != nil {
+		log.Logger.Error("Failed to create index", zap.Error(err))
+	}
+}
+
+func CheckConnect() {
+	mutx.RLock()
+	if mongoDB != nil {
+		mutx.RUnlock()
+		return
+	}
+	mutx.RUnlock()
+
+	mutx.Lock()
+	if mongoDB == nil {
+		connect()
+	}
+	mutx.Unlock()
+}
+
+func HealthCheck() error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	return mongoDB.Ping(ctx, nil)
+}
diff --git a/db/fitgirl.go b/db/fitgirl.go
new file mode 100644
index 0000000..70702c5
--- /dev/null
+++ b/db/fitgirl.go
@@ -0,0 +1,11 @@
+package db
+
+import "pcgamedb/model"
+
+func GetFitgirlAllGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("fitgirl")
+}
+
+func IsFitgirlCrawled(flag string) bool {
+	return IsGameCrawled(flag, "armgddn")
+}
diff --git a/db/freegog.go b/db/freegog.go
new file mode 100644
index 0000000..c1fd8bc
--- /dev/null
+++ b/db/freegog.go
@@ -0,0 +1,12 @@
+package db
+
+import (
+	"pcgamedb/model"
+)
+
+func GetFreeGOGGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("freegog")
+}
+func IsFreeGOGCrawled(flag string) bool {
+	return IsGameCrawled(flag, "freegog")
+}
diff --git a/db/game.go b/db/game.go
new file mode 100644
index 0000000..b769b8d
--- /dev/null
+++ b/db/game.go
@@ -0,0 +1,733 @@
+package db
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"pcgamedb/cache"
+	"pcgamedb/config"
+	"pcgamedb/model"
+	"regexp"
+	"slices"
+	"strings"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+var (
+	removeDelimiter            = regexp.MustCompile(`[:\-\+]`)
+	removeRepeatingSpacesRegex = regexp.MustCompile(`\s+`)
+)
+
+func GetGameDownloadsByAuthor(regex string) ([]*model.GameDownload, error) {
+	var res []*model.GameDownload
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.D{{Key: "author", Value: primitive.Regex{Pattern: regex, Options: "i"}}}
+	cursor, err := GameDownloadCollection.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+	if cursor.Err() != nil {
+		return nil, cursor.Err()
+	}
+	if err = cursor.All(ctx, &res); err != nil {
+		return nil, err
+	}
+	return res, err
+}
+
+func GetGameDownloadsByAuthorPagination(regex string, page int, pageSize int) ([]*model.GameDownload, int, error) {
+	var res []*model.GameDownload
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.D{{Key: "author", Value: primitive.Regex{Pattern: regex, Options: "i"}}}
+	opts := options.Find()
+	opts.SetSkip(int64((page - 1) * pageSize))
+	opts.SetLimit(int64(pageSize))
+	totalCount, err := GameDownloadCollection.CountDocuments(ctx, filter)
+	if err != nil {
+		return nil, 0, err
+	}
+	totalPage := (totalCount + int64(pageSize) - 1) / int64(pageSize)
+	cursor, err := GameDownloadCollection.Find(ctx, filter, opts)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer cursor.Close(ctx)
+	if cursor.Err() != nil {
+		return nil, 0, cursor.Err()
+	}
+	if err = cursor.All(ctx, &res); err != nil {
+		return nil, 0, err
+	}
+	return res, int(totalPage), err
+}
+
+func IsGameCrawled(flag string, author string) bool {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.D{
+		{Key: "author", Value: primitive.Regex{Pattern: author, Options: "i"}},
+		{Key: "update_flag", Value: flag},
+	}
+	var game model.GameDownload
+	err := GameDownloadCollection.FindOne(ctx, filter).Decode(&game)
+	if err != nil {
+		if errors.Is(mongo.ErrNoDocuments, err) {
+			return false
+		}
+		return false
+	}
+	return true
+}
+
+func IsGameCrawledByURL(url string) bool {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.D{
+		{Key: "url", Value: url},
+	}
+	var game model.GameDownload
+	err := GameDownloadCollection.FindOne(ctx, filter).Decode(&game)
+	if err != nil {
+		if errors.Is(mongo.ErrNoDocuments, err) {
+			return false
+		}
+		return false
+	}
+	return true
+}
+
+func SaveGameDownload(item *model.GameDownload) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	if item.ID.IsZero() {
+		item.ID = primitive.NewObjectID()
+	}
+	if item.CreatedAt.IsZero() {
+		item.CreatedAt = time.Now()
+	}
+	item.UpdatedAt = time.Now()
+	item.Size = strings.Replace(item.Size, "gb", "GB", -1)
+	item.Size = strings.Replace(item.Size, "mb", "MB", -1)
+	filter := bson.M{"_id": item.ID}
+	update := bson.M{"$set": item}
+	opts := options.Update().SetUpsert(true)
+	_, err := GameDownloadCollection.UpdateOne(ctx, filter, update, opts)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func SaveGameInfo(item *model.GameInfo) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	if item.ID.IsZero() {
+		item.ID = primitive.NewObjectID()
+	}
+	if item.CreatedAt.IsZero() {
+		item.CreatedAt = time.Now()
+	}
+	item.UpdatedAt = time.Now()
+	filter := bson.M{"_id": item.ID}
+	update := bson.M{"$set": item}
+	opts := options.Update().SetUpsert(true)
+	_, err := GameInfoCollection.UpdateOne(ctx, filter, update, opts)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func GetAllGameDownloads() ([]*model.GameDownload, error) {
+	var items []*model.GameDownload
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	cursor, err := GameDownloadCollection.Find(ctx, bson.D{})
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+	for cursor.Next(ctx) {
+		var game model.GameDownload
+		if err = cursor.Decode(&game); err != nil {
+			return nil, err
+		}
+		items = append(items, &game)
+	}
+	if cursor.Err() != nil {
+		return nil, cursor.Err()
+	}
+	return items, err
+}
+
+func GetGameDownloadByUrl(url string) (*model.GameDownload, error) {
+	var item model.GameDownload
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.M{"url": url}
+	err := GameDownloadCollection.FindOne(ctx, filter).Decode(&item)
+	if err != nil {
+		if errors.Is(mongo.ErrNoDocuments, err) {
+			return &model.GameDownload{}, nil
+		}
+		return nil, err
+	}
+	return &item, nil
+}
+
+func GetGameDownloadByID(id primitive.ObjectID) (*model.GameDownload, error) {
+	var item model.GameDownload
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.M{"_id": id}
+	err := GameDownloadCollection.FindOne(ctx, filter).Decode(&item)
+	if err != nil {
+		return nil, err
+	}
+	return &item, nil
+}
+
+func GetGameDownloadsByIDs(ids []primitive.ObjectID) ([]*model.GameDownload, error) {
+	var items []*model.GameDownload
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	cursor, err := GameDownloadCollection.Find(ctx, bson.M{"_id": bson.M{"$in": ids}})
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+	for cursor.Next(ctx) {
+		var game model.GameDownload
+		if err = cursor.Decode(&game); err != nil {
+			return nil, err
+		}
+		items = append(items, &game)
+	}
+	if cursor.Err() != nil {
+		return nil, cursor.Err()
+	}
+	return items, err
+}
+
+func SearchGameInfos(name string, page int, pageSize int) ([]*model.GameInfo, int, error) {
+	var items []*model.GameInfo
+	name = removeDelimiter.ReplaceAllString(name, " ")
+	name = removeRepeatingSpacesRegex.ReplaceAllString(name, " ")
+	name = strings.TrimSpace(name)
+	name = strings.Replace(name, " ", ".*", -1)
+	name = fmt.Sprintf("%s.*", name)
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	filter := bson.M{"$or": []interface{}{
+		bson.M{"name": bson.M{"$regex": primitive.Regex{Pattern: name, Options: "i"}}},
+		bson.M{"aliases": bson.M{"$regex": primitive.Regex{Pattern: name, Options: "i"}}},
+	}}
+	totalCount, err := GameInfoCollection.CountDocuments(ctx, filter)
+	if err != nil {
+		return nil, 0, err
+	}
+	totalPage := (totalCount + int64(pageSize) - 1) / int64(pageSize)
+	findOpts := options.Find().SetSkip(int64((page - 1) * pageSize)).SetLimit(int64(pageSize)).SetSort(bson.D{{Key: "name", Value: 1}})
+
+	cursor, err := GameInfoCollection.Find(ctx, filter, findOpts)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer cursor.Close(ctx)
+	for cursor.Next(ctx) {
+		var game model.GameInfo
+		if err = cursor.Decode(&game); err != nil {
+			return nil, 0, err
+		}
+		game.Games, err = GetGameDownloadsByIDs(game.GameIDs)
+		if err != nil {
+			return nil, 0, err
+		}
+		items = append(items, &game)
+	}
+	if err := cursor.Err(); err != nil {
+		return nil, 0, err
+	}
+	return items, int(totalPage), nil
+}
+
+func SearchGameInfosCache(name string, page int, pageSize int) ([]*model.GameInfo, int, error) {
+	type res struct {
+		Items     []*model.GameInfo
+		TotalPage int
+	}
+	name = strings.ToLower(name)
+	if config.Config.RedisAvaliable {
+		key := fmt.Sprintf("searchGameDetails:%s:%d:%d", name, page, pageSize)
+		val, exist := cache.Get(key)
+		if exist {
+			var data res
+			err := json.Unmarshal([]byte(val), &data)
+			if err != nil {
+				return nil, 0, err
+			}
+			return data.Items, data.TotalPage, nil
+		} else {
+			data, totalPage, err := SearchGameInfos(name, page, pageSize)
+			if err != nil {
+				return nil, 0, err
+			}
+			dataBytes, err := json.Marshal(res{Items: data, TotalPage: totalPage})
+			if err != nil {
+				return nil, 0, err
+			}
+			_ = cache.AddWithExpire(key, string(dataBytes), 12*time.Hour)
+			return data, totalPage, nil
+		}
+	} else {
+		return SearchGameInfos(name, page, pageSize)
+	}
+}
+
+func GetGameInfoByPlatformID(platform string, id int) (*model.GameInfo, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	var filter interface{}
+	switch platform {
+	case "steam":
+		filter = bson.M{"steam_id": id}
+	case "gog":
+		filter = bson.M{"gog_id": id}
+	case "igdb":
+		filter = bson.M{"igdb_id": id}
+	}
+	var game model.GameInfo
+	err := GameInfoCollection.FindOne(ctx, filter).Decode(&game)
+	if err != nil {
+		return nil, err
+	}
+	return &game, nil
+}
+
+func GetUnorganizedGameDownloads(num int) ([]*model.GameDownload, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	var gamesNotInDetails []*model.GameDownload
+	pipeline := mongo.Pipeline{
+		bson.D{{Key: "$lookup", Value: bson.D{
+			{Key: "from", Value: "game_infos"},
+			{Key: "localField", Value: "_id"},
+			{Key: "foreignField", Value: "games"},
+			{Key: "as", Value: "gameDetail"},
+		}}},
+	}
+	if num != -1 && num > 0 {
+		pipeline = append(pipeline, bson.D{{Key: "$limit", Value: num}})
+	}
+	pipeline = append(pipeline,
+		bson.D{{Key: "$match", Value: bson.D{
+			{Key: "gameDetail", Value: bson.D{{Key: "$size", Value: 0}}},
+		}}},
+		bson.D{{Key: "$sort", Value: bson.D{{Key: "name", Value: 1}}}},
+	)
+
+	cursor, err := GameDownloadCollection.Aggregate(ctx, pipeline)
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+
+	for cursor.Next(ctx) {
+		var game model.GameDownload
+		if err := cursor.Decode(&game); err != nil {
+			return nil, err
+		}
+		gamesNotInDetails = append(gamesNotInDetails, &game)
+	}
+
+	if err := cursor.Err(); err != nil {
+		return nil, err
+	}
+
+	return gamesNotInDetails, nil
+}
+
+func GetGameInfoByID(id primitive.ObjectID) (*model.GameInfo, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	var game model.GameInfo
+	err := GameInfoCollection.FindOne(ctx, bson.M{"_id": id}).Decode(&game)
+	if err != nil {
+		return nil, err
+	}
+	return &game, nil
+}
+
+func DeduplicateGames() ([]primitive.ObjectID, error) {
+	type queryRes struct {
+		ID    string               `bson:"_id"`
+		Total int                  `bson:"total"`
+		IDs   []primitive.ObjectID `bson:"ids"`
+	}
+
+	var res []primitive.ObjectID
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	var qres []queryRes
+	pipeline := mongo.Pipeline{
+		bson.D{{Key: "$group", Value: bson.D{
+			{Key: "_id", Value: "$download"},
+			{Key: "total", Value: bson.D{{Key: "$sum", Value: 1}}},
+			{Key: "ids", Value: bson.D{{Key: "$push", Value: "$_id"}}},
+		}}},
+		bson.D{{Key: "$match", Value: bson.D{
+			{Key: "total", Value: bson.D{{Key: "$gt", Value: 1}}},
+		}}},
+	}
+	cursor, err := GameDownloadCollection.Aggregate(ctx, pipeline)
+	if err != nil {
+		return nil, err
+	}
+	if err = cursor.All(ctx, &qres); err != nil {
+		return nil, err
+	}
+	for _, item := range qres {
+		idsToDelete := item.IDs[1:]
+		res = append(res, idsToDelete...)
+		_, err = GameDownloadCollection.DeleteMany(ctx, bson.D{{Key: "_id", Value: bson.D{{Key: "$in", Value: idsToDelete}}}})
+		if err != nil {
+			return nil, err
+		}
+		cursor, err := GameInfoCollection.Find(ctx, bson.M{"games": bson.M{"$in": idsToDelete}})
+		if err != nil {
+			return nil, err
+		}
+		var infos []*model.GameInfo
+		if err := cursor.All(ctx, &infos); err != nil {
+			return nil, err
+		}
+		for _, info := range infos {
+			newGames := make([]primitive.ObjectID, 0, len(info.GameIDs))
+			for _, id := range info.GameIDs {
+				if !slices.Contains(idsToDelete, id) {
+					newGames = append(newGames, id)
+				}
+			}
+			info.GameIDs = newGames
+			if err := SaveGameInfo(info); err != nil {
+				return nil, err
+			}
+		}
+	}
+	_, _ = CleanOrphanGamesInGameInfos()
+	return res, nil
+}
+
+func CleanOrphanGamesInGameInfos() (map[primitive.ObjectID]primitive.ObjectID, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	pipeline := mongo.Pipeline{
+		bson.D{{Key: "$unwind", Value: "$games"}},
+		bson.D{{Key: "$lookup", Value: bson.D{
+			{Key: "from", Value: "game_downloads"},
+			{Key: "localField", Value: "games"},
+			{Key: "foreignField", Value: "_id"},
+			{Key: "as", Value: "gameDownloads"},
+		}}},
+		bson.D{{Key: "$match", Value: bson.D{
+			{Key: "gameDownloads", Value: bson.D{{Key: "$size", Value: 0}}},
+		}}},
+		bson.D{{Key: "$project", Value: bson.D{
+			{Key: "_id", Value: 1},
+			{Key: "game", Value: "$games"},
+		}}},
+	}
+	cursor, err := GameInfoCollection.Aggregate(ctx, pipeline)
+	if err != nil {
+		return nil, err
+	}
+	qres := make([]struct {
+		ID   primitive.ObjectID `bson:"_id"`
+		Game primitive.ObjectID `bson:"game"`
+	}, 0)
+	if err := cursor.All(ctx, &qres); err != nil {
+		return nil, err
+	}
+	var res = make(map[primitive.ObjectID]primitive.ObjectID)
+	for _, item := range qres {
+		info, err := GetGameInfoByID(item.ID)
+		if err != nil {
+			continue
+		}
+		newGames := make([]primitive.ObjectID, 0, len(info.GameIDs))
+		for _, id := range info.GameIDs {
+			if id != item.Game {
+				newGames = append(newGames, id)
+			}
+		}
+		info.GameIDs = newGames
+		if err := SaveGameInfo(info); err != nil {
+			return nil, err
+		}
+		res[item.ID] = item.Game
+	}
+	return res, nil
+}
+
+func CleanGameInfoWithEmptyGameIDs() ([]primitive.ObjectID, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.M{"games": bson.M{"$size": 0}}
+	cursor, err := GameInfoCollection.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	var games []*model.GameInfo
+	var res []primitive.ObjectID
+	if err = cursor.All(ctx, &games); err != nil {
+		return nil, err
+	}
+	for _, item := range games {
+		res = append(res, item.ID)
+	}
+	_, err = GameInfoCollection.DeleteMany(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func GetGameInfosByName(name string) ([]*model.GameInfo, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	name = strings.TrimSpace(name)
+	name = fmt.Sprintf("^%s$", name)
+	filter := bson.M{"name": bson.M{"$regex": primitive.Regex{Pattern: name, Options: "i"}}}
+	cursor, err := GameInfoCollection.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	var games []*model.GameInfo
+	if err = cursor.All(ctx, &games); err != nil {
+		return nil, err
+	}
+	return games, nil
+}
+
+func GetGameDownloadByRawName(name string) ([]*model.GameDownload, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	name = strings.TrimSpace(name)
+	name = fmt.Sprintf("^%s$", name)
+	filter := bson.M{"raw_name": bson.M{"$regex": primitive.Regex{Pattern: name, Options: "i"}}}
+	cursor, err := GameDownloadCollection.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	var game []*model.GameDownload
+	if err = cursor.All(ctx, &game); err != nil {
+		return nil, err
+	}
+	return game, nil
+}
+
+func GetSameNameGameInfos() (map[string][]primitive.ObjectID, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	pipeline := mongo.Pipeline{
+		bson.D{{Key: "$group", Value: bson.D{
+			{Key: "_id", Value: "$name"},
+			{Key: "count", Value: bson.D{{Key: "$sum", Value: 1}}},
+			{Key: "ids", Value: bson.D{{Key: "$addToSet", Value: "$_id"}}},
+		}}},
+		bson.D{{Key: "$match", Value: bson.D{{Key: "count", Value: bson.D{{Key: "$gt", Value: 1}}}}}},
+	}
+	cursor, err := GameInfoCollection.Aggregate(ctx, pipeline)
+	if err != nil {
+		return nil, err
+	}
+	data := make([]struct {
+		Name  string               `bson:"_id"`
+		Count int                  `bson:"count"`
+		IDs   []primitive.ObjectID `bson:"ids"`
+	}, 0)
+	if err := cursor.All(ctx, &data); err != nil {
+		return nil, err
+	}
+	res := make(map[string][]primitive.ObjectID)
+	for _, item := range data {
+		res[item.Name] = item.IDs
+	}
+	return res, nil
+}
+
+func MergeSameNameGameInfos() error {
+	games, err := GetSameNameGameInfos()
+	if err != nil {
+		return err
+	}
+	for _, ids := range games {
+		var IGDBItem *model.GameInfo = nil
+		otherPlatformItems := make([]*model.GameInfo, 0)
+		skip := false
+		for _, id := range ids {
+			item, err := GetGameInfoByID(id)
+			if err != nil {
+				continue
+			}
+			if item.IGDBID != 0 {
+				if IGDBItem == nil {
+					IGDBItem = item
+				} else {
+					skip = true
+					break
+					// skip if there are multiple items with IGDB ID
+					// not sure which item is correct
+					// need deal manually
+				}
+			} else {
+				otherPlatformItems = append(otherPlatformItems, item)
+			}
+		}
+		if skip {
+			continue
+		}
+		if IGDBItem != nil {
+			for _, item := range otherPlatformItems {
+				IGDBItem.GameIDs = append(IGDBItem.GameIDs, item.ID)
+			}
+			if err := SaveGameInfo(IGDBItem); err != nil {
+				continue
+			}
+		}
+	}
+	return nil
+}
+
+func GetGameInfoCount() (int64, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	count, err := GameInfoCollection.CountDocuments(ctx, bson.M{})
+	if err != nil {
+		return 0, err
+	}
+	return count, nil
+}
+
+func GetGameDownloadCount() (int64, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	count, err := GameDownloadCollection.CountDocuments(ctx, bson.M{})
+	if err != nil {
+		return 0, err
+	}
+	return count, nil
+}
+
+func GetGameInfoWithSteamID() ([]*model.GameInfo, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	filter := bson.M{"$and": []bson.M{
+		{"steam_id": bson.M{"$exists": 1}},
+		{"steam_id": bson.M{"$ne": 0}},
+	}}
+
+	cursor, err := GameInfoCollection.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	var games []*model.GameInfo
+	if err = cursor.All(ctx, &games); err != nil {
+		return nil, err
+	}
+	return games, nil
+}
+
+func DeleteGameInfoByID(id primitive.ObjectID) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	_, err := GameInfoCollection.DeleteOne(ctx, bson.M{"_id": id})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func DeleteGameDownloadByID(id primitive.ObjectID) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	_, err := GameDownloadCollection.DeleteOne(ctx, bson.M{"_id": id})
+	if err != nil {
+		return err
+	}
+	filter := bson.M{"games": bson.M{"$in": []primitive.ObjectID{id}}}
+	cursor, err := GameInfoCollection.Find(ctx, filter)
+	if err != nil {
+		return err
+	}
+	var games []*model.GameInfo
+	if err = cursor.All(ctx, &games); err != nil {
+		return err
+	}
+	for _, game := range games {
+		newIDs := make([]primitive.ObjectID, 0)
+		for _, gameID := range game.GameIDs {
+			if gameID != id {
+				newIDs = append(newIDs, gameID)
+			}
+		}
+		game.GameIDs = newIDs
+		if err := SaveGameInfo(game); err != nil {
+			continue
+		}
+	}
+	return nil
+}
+
+func GetAllAuthors() ([]string, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	pipeline := mongo.Pipeline{
+		bson.D{{Key: "$group", Value: bson.D{
+			{Key: "_id", Value: "$author"},
+		}}},
+	}
+
+	cursor, err := GameDownloadCollection.Aggregate(ctx, pipeline)
+	if err != nil {
+		return nil, err
+	}
+	var authors []struct {
+		Author string `bson:"_id"`
+	}
+	if err = cursor.All(ctx, &authors); err != nil {
+		return nil, err
+	}
+	var res []string
+	for _, author := range authors {
+		res = append(res, author.Author)
+	}
+	return res, nil
+}
+
+func GetAllGameInfos() ([]*model.GameInfo, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	cursor, err := GameInfoCollection.Find(ctx, bson.M{})
+	if err != nil {
+		return nil, err
+	}
+	var res []*model.GameInfo
+	if err = cursor.All(ctx, &res); err != nil {
+		return nil, err
+	}
+	return res, nil
+}
diff --git a/db/gnarly.go b/db/gnarly.go
new file mode 100644
index 0000000..b1b57a0
--- /dev/null
+++ b/db/gnarly.go
@@ -0,0 +1,5 @@
+package db
+
+func IsGnarlyCrawled(flag string) bool {
+	return IsGameCrawled(flag, "gnarly")
+}
diff --git a/db/onlinefix.go b/db/onlinefix.go
new file mode 100644
index 0000000..db84166
--- /dev/null
+++ b/db/onlinefix.go
@@ -0,0 +1,13 @@
+package db
+
+import (
+	"pcgamedb/model"
+)
+
+func GetOnlineFixGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("onlinefix")
+}
+
+func IsOnlineFixCrawled(flag string) bool {
+	return IsGameCrawled(flag, "onlinefix")
+}
diff --git a/db/steamrip.go b/db/steamrip.go
new file mode 100644
index 0000000..5e8f0bc
--- /dev/null
+++ b/db/steamrip.go
@@ -0,0 +1,5 @@
+package db
+
+func IsSteamRIPCrawled(flag string) bool {
+	return IsGameCrawled(flag, "SteamRIP")
+}
diff --git a/db/xatab.go b/db/xatab.go
new file mode 100644
index 0000000..4d737a9
--- /dev/null
+++ b/db/xatab.go
@@ -0,0 +1,13 @@
+package db
+
+import (
+	"pcgamedb/model"
+)
+
+func GetXatabGameDownloads() ([]*model.GameDownload, error) {
+	return GetGameDownloadsByAuthor("xatab")
+}
+
+func IsXatabCrawled(flag string) bool {
+	return IsGameCrawled(flag, "xatab")
+}
diff --git a/docker-compose.yaml b/docker-compose.yaml
new file mode 100644
index 0000000..d4e3c0e
--- /dev/null
+++ b/docker-compose.yaml
@@ -0,0 +1,35 @@
+services:
+  pcgamedb:
+    build: .
+    container_name: pcgamedb
+    restart: unless-stopped
+    ports:
+      - 127.0.0.1:8080:8080
+    environment:
+      - LOG_LEVEL=info
+      - SERVER_PORT=8080
+      - DATABASE_HOST=pcgamedb-mongodb
+      - DATABASE_PORT=27017
+      - DATABASE_USER=root
+      - DATABASE_PASSWORD=password
+      - DATABASE_NAME=pcgamedb
+      - REDIS_HOST=pcgamedb-redis
+      - REDIS_PORT=6379
+      - REDIS_DB=0
+      # Read more about environment variables: config/config.go
+  pcgamedb-mongodb:
+    container_name: pcgamedb-mongodb
+    image: mongo:latest
+    restart: unless-stopped
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: root
+      MONGO_INITDB_ROOT_PASSWORD: password
+    volumes:
+      - ./mongodb:/data/db
+  pcgamedb-redis:
+    image: redis:latest
+    container_name: pcgamedb-redis
+    volumes:
+      - ./redis:/data
+    command: redis-server --appendonly yes
+    restart: unless-stopped
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..a9a04a1
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,85 @@
+module pcgamedb
+
+go 1.21.5
+
+require (
+	github.com/PuerkitoBio/goquery v1.9.2
+	github.com/anacrolix/torrent v1.55.0
+	github.com/bogdanfinn/fhttp v0.5.28
+	github.com/bogdanfinn/tls-client v1.7.5
+	github.com/btcsuite/btcutil v1.0.2
+	github.com/gin-contrib/cors v1.7.2
+	github.com/gin-gonic/gin v1.10.0
+	github.com/jlaffaye/ftp v0.2.0
+	github.com/redis/go-redis/v9 v9.5.2
+	github.com/robfig/cron/v3 v3.0.0
+	github.com/spf13/cobra v1.8.0
+	github.com/swaggo/files v1.0.1
+	github.com/swaggo/gin-swagger v1.6.0
+	github.com/swaggo/swag v1.16.3
+	go.mongodb.org/mongo-driver v1.16.0
+	go.uber.org/zap v1.27.0
+	golang.org/x/crypto v0.24.0
+	golang.org/x/net v0.26.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
+)
+
+require (
+	github.com/KyleBanks/depth v1.2.1 // indirect
+	github.com/anacrolix/missinggo v1.3.0 // indirect
+	github.com/anacrolix/missinggo/v2 v2.7.3 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
+	github.com/andybalholm/cascadia v1.3.2 // indirect
+	github.com/bogdanfinn/utls v1.6.1 // indirect
+	github.com/bradfitz/iter v0.0.0-20191230175014-e8f45d346db8 // indirect
+	github.com/bytedance/sonic v1.11.9 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cloudflare/circl v1.3.6 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/gabriel-vasile/mimetype v1.4.4 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/spec v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.22.0 // indirect
+	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/huandu/xstrings v1.3.2 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/quic-go/quic-go v0.37.4 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/tam7t/hpkp v0.0.0-20160821193359-2b70b4024ed5 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/tools v0.22.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..16ae865
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,487 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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+crawshaw.io/iox v0.0.0-20181124134642-c51c3df30797/go.mod h1:sXBiorCo8c46JlQV3oXPKINnZ8mcqnye1EkVkqsectk=
+crawshaw.io/sqlite v0.3.2/go.mod h1:igAO5JulrQ1DbdZdtVq48mnZUBAPOeFzer7VhDWNtW4=
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+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
diff --git a/log/log.go b/log/log.go
new file mode 100644
index 0000000..812bf77
--- /dev/null
+++ b/log/log.go
@@ -0,0 +1,68 @@
+package log
+
+import (
+	"os"
+	"pcgamedb/config"
+	"strings"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+var Logger *zap.Logger
+var ConsoleLogger *zap.Logger
+var FileLogger *zap.Logger
+var TaskLogger *zap.Logger
+
+func init() {
+	fileCore, consoleCore, combinedCore, taskCore := buildZapCore(getZapLogLevel(config.Config.LogLevel))
+	FileLogger = zap.New(fileCore, zap.AddCaller())
+	ConsoleLogger = zap.New(consoleCore, zap.AddCaller())
+	Logger = zap.New(combinedCore, zap.AddCaller())
+	TaskLogger = zap.New(taskCore, zap.AddCaller())
+}
+
+func buildZapCore(logLevel zapcore.Level) (fileCore zapcore.Core, consoleCore zapcore.Core, combinedCore zapcore.Core, taskCore zapcore.Core) {
+	fileWriter := zapcore.AddSync(&lumberjack.Logger{
+		Filename:   "logs/app.log",
+		MaxSize:    500,
+		MaxBackups: 3,
+		MaxAge:     28,
+		Compress:   true,
+	})
+	taskFileWriter := zapcore.AddSync(&lumberjack.Logger{
+		Filename:   "logs/task.log",
+		MaxSize:    500,
+		MaxBackups: 3,
+		MaxAge:     28,
+		Compress:   true,
+	})
+	consoleWriter := zapcore.AddSync(os.Stdout)
+
+	encoderConfig := zap.NewProductionEncoderConfig()
+	encoderConfig.EncodeLevel = zapcore.CapitalLevelEncoder
+	encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
+	encoderConfig.EncodeCaller = zapcore.ShortCallerEncoder
+
+	fileCore = zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), fileWriter, logLevel)
+	consoleCore = zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), consoleWriter, logLevel)
+	combinedCore = zapcore.NewTee(fileCore, consoleCore)
+	taskCore = zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), taskFileWriter, logLevel)
+	return
+}
+
+func getZapLogLevel(logLevel string) zapcore.Level {
+	switch strings.ToLower(logLevel) {
+	case "debug":
+		return zap.DebugLevel
+	case "warn":
+		return zap.WarnLevel
+	case "error":
+		return zap.ErrorLevel
+	case "info":
+		return zap.InfoLevel
+	default:
+		return zap.InfoLevel
+	}
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..c00c3da
--- /dev/null
+++ b/main.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"pcgamedb/cmd"
+	"pcgamedb/log"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+func main() {
+	if err := cmd.RootCmd.Execute(); err != nil {
+		if !strings.Contains(err.Error(), "unknown command") {
+			log.Logger.Error("Failed to execute command", zap.Error(err))
+		}
+	}
+}
diff --git a/model/game.go b/model/game.go
new file mode 100644
index 0000000..af6b0e6
--- /dev/null
+++ b/model/game.go
@@ -0,0 +1,40 @@
+package model
+
+import (
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type GameInfo struct {
+	ID          primitive.ObjectID   `json:"id" bson:"_id"`
+	Name        string               `json:"name" bson:"name"`
+	Description string               `json:"description" bson:"description"`
+	Aliases     []string             `json:"aliases" bson:"aliases"`
+	Developers  []string             `json:"developers" bson:"developers"`
+	Publishers  []string             `json:"publishers" bson:"publishers"`
+	IGDBID      int                  `json:"igdb_id" bson:"igdb_id"`
+	SteamID     int                  `json:"steam_id" bson:"steam_id"`
+	GOGID       int                  `json:"-" bson:"gog_id"`
+	Cover       string               `json:"cover" bson:"cover"`
+	Languages   []string             `json:"languages" bson:"languages"`
+	Screenshots []string             `json:"screenshots" bson:"screenshots"`
+	GameIDs     []primitive.ObjectID `json:"game_ids" bson:"games"`
+	Games       []*GameDownload      `json:"game_downloads" bson:"-"`
+	CreatedAt   time.Time            `json:"created_at" bson:"created_at"`
+	UpdatedAt   time.Time            `json:"updated_at" bson:"updated_at"`
+}
+
+type GameDownload struct {
+	ID         primitive.ObjectID `json:"id" bson:"_id"`
+	Name       string             `json:"speculative_name" bson:"name"`
+	RawName    string             `json:"raw_name,omitempty" bson:"raw_name"`
+	Download   string             `json:"download_link,omitempty" bson:"download"`
+	Size       string             `json:"size,omitempty" bson:"size"`
+	Url        string             `json:"url" bson:"url"`
+	Password   string             `json:"password,omitempty" bson:"password"`
+	Author     string             `json:"author,omitempty" bson:"author"`
+	UpdateFlag string             `json:"-" bson:"update_flag,omitempty"`
+	CreatedAt  time.Time          `json:"created_at" bson:"created_at"`
+	UpdatedAt  time.Time          `json:"updated_at" bson:"updated_at"`
+}
diff --git a/model/gog.go b/model/gog.go
new file mode 100644
index 0000000..e6cd18c
--- /dev/null
+++ b/model/gog.go
@@ -0,0 +1,171 @@
+package model
+
+type GOGAppDetail struct {
+	ID                         int    `json:"id"`
+	Title                      string `json:"title"`
+	PurchaseLink               string `json:"purchase_link"`
+	Slug                       string `json:"slug"`
+	ContentSystemCompatibility struct {
+		Windows bool `json:"windows"`
+		Osx     bool `json:"osx"`
+		Linux   bool `json:"linux"`
+	} `json:"content_system_compatibility"`
+	Languages map[string]string `json:"languages"`
+	Links     struct {
+		PurchaseLink string `json:"purchase_link"`
+		ProductCard  string `json:"product_card"`
+		Support      string `json:"support"`
+		Forum        string `json:"forum"`
+	} `json:"links"`
+	InDevelopment struct {
+		Active bool        `json:"active"`
+		Until  interface{} `json:"until"`
+	} `json:"in_development"`
+	IsSecret      bool   `json:"is_secret"`
+	IsInstallable bool   `json:"is_installable"`
+	GameType      string `json:"game_type"`
+	IsPreOrder    bool   `json:"is_pre_order"`
+	ReleaseDate   string `json:"release_date"`
+	Images        struct {
+		Background          string `json:"background"`
+		Logo                string `json:"logo"`
+		Logo2X              string `json:"logo2x"`
+		Icon                string `json:"icon"`
+		SidebarIcon         string `json:"sidebarIcon"`
+		SidebarIcon2X       string `json:"sidebarIcon2x"`
+		MenuNotificationAv  string `json:"menuNotificationAv"`
+		MenuNotificationAv2 string `json:"menuNotificationAv2"`
+	} `json:"images"`
+	Dlcs      any `json:"dlcs"`
+	Downloads struct {
+		Installers []struct {
+			ID           string `json:"id"`
+			Name         string `json:"name"`
+			Os           string `json:"os"`
+			Language     string `json:"language"`
+			LanguageFull string `json:"language_full"`
+			Version      string `json:"version"`
+			TotalSize    int    `json:"total_size"`
+			Files        []struct {
+				ID       string `json:"id"`
+				Size     int    `json:"size"`
+				Downlink string `json:"downlink"`
+			} `json:"files"`
+		} `json:"installers"`
+		Patches       []interface{} `json:"patches"`
+		LanguagePacks []interface{} `json:"language_packs"`
+		BonusContent  []struct {
+			ID        int    `json:"id"`
+			Name      string `json:"name"`
+			Type      string `json:"type"`
+			Count     int    `json:"count"`
+			TotalSize int    `json:"total_size"`
+			Files     []struct {
+				ID       int    `json:"id"`
+				Size     int    `json:"size"`
+				Downlink string `json:"downlink"`
+			} `json:"files"`
+		} `json:"bonus_content"`
+	} `json:"downloads"`
+	ExpandedDlcs []interface{} `json:"expanded_dlcs"`
+	Description  struct {
+		Lead             string `json:"lead"`
+		Full             string `json:"full"`
+		WhatsCoolAboutIt string `json:"whats_cool_about_it"`
+	} `json:"description"`
+	Screenshots []struct {
+		ImageID              string `json:"image_id"`
+		FormatterTemplateURL string `json:"formatter_template_url"`
+		FormattedImages      []struct {
+			FormatterName string `json:"formatter_name"`
+			ImageURL      string `json:"image_url"`
+		} `json:"formatted_images"`
+	} `json:"screenshots"`
+	Videos          []interface{} `json:"videos"`
+	RelatedProducts []interface{} `json:"related_products"`
+	Changelog       string        `json:"changelog"`
+}
+
+type GOGSearch struct {
+	Products []struct {
+		CustomAttributes []interface{} `json:"customAttributes"`
+		Developer        string        `json:"developer"`
+		Publisher        string        `json:"publisher"`
+		Gallery          []string      `json:"gallery"`
+		Video            struct {
+			ID       string `json:"id"`
+			Provider string `json:"provider"`
+		} `json:"video"`
+		SupportedOperatingSystems []string    `json:"supportedOperatingSystems"`
+		Genres                    []string    `json:"genres"`
+		GlobalReleaseDate         interface{} `json:"globalReleaseDate"`
+		IsTBA                     bool        `json:"isTBA"`
+		Price                     struct {
+			Currency                   string      `json:"currency"`
+			Amount                     string      `json:"amount"`
+			BaseAmount                 string      `json:"baseAmount"`
+			FinalAmount                string      `json:"finalAmount"`
+			IsDiscounted               bool        `json:"isDiscounted"`
+			DiscountPercentage         int         `json:"discountPercentage"`
+			DiscountDifference         string      `json:"discountDifference"`
+			Symbol                     string      `json:"symbol"`
+			IsFree                     bool        `json:"isFree"`
+			Discount                   int         `json:"discount"`
+			IsBonusStoreCreditIncluded bool        `json:"isBonusStoreCreditIncluded"`
+			BonusStoreCreditAmount     string      `json:"bonusStoreCreditAmount"`
+			PromoID                    interface{} `json:"promoId"`
+		} `json:"price"`
+		IsDiscounted    bool        `json:"isDiscounted"`
+		IsInDevelopment bool        `json:"isInDevelopment"`
+		ID              int         `json:"id"`
+		ReleaseDate     interface{} `json:"releaseDate"`
+		Availability    struct {
+			IsAvailable          bool `json:"isAvailable"`
+			IsAvailableInAccount bool `json:"isAvailableInAccount"`
+		} `json:"availability"`
+		SalesVisibility struct {
+			IsActive   bool `json:"isActive"`
+			FromObject struct {
+				Date         string `json:"date"`
+				TimezoneType int    `json:"timezone_type"`
+				Timezone     string `json:"timezone"`
+			} `json:"fromObject"`
+			From     int `json:"from"`
+			ToObject struct {
+				Date         string `json:"date"`
+				TimezoneType int    `json:"timezone_type"`
+				Timezone     string `json:"timezone"`
+			} `json:"toObject"`
+			To int `json:"to"`
+		} `json:"salesVisibility"`
+		Buyable    bool   `json:"buyable"`
+		Title      string `json:"title"`
+		Image      string `json:"image"`
+		URL        string `json:"url"`
+		SupportURL string `json:"supportUrl"`
+		ForumURL   string `json:"forumUrl"`
+		WorksOn    struct {
+			Windows bool `json:"Windows"`
+			Mac     bool `json:"Mac"`
+			Linux   bool `json:"Linux"`
+		} `json:"worksOn"`
+		Category         string        `json:"category"`
+		OriginalCategory string        `json:"originalCategory"`
+		Rating           int           `json:"rating"`
+		Type             int           `json:"type"`
+		IsComingSoon     bool          `json:"isComingSoon"`
+		IsPriceVisible   bool          `json:"isPriceVisible"`
+		IsMovie          bool          `json:"isMovie"`
+		IsGame           bool          `json:"isGame"`
+		Slug             string        `json:"slug"`
+		IsWishlistable   bool          `json:"isWishlistable"`
+		ExtraInfo        []interface{} `json:"extraInfo"`
+		AgeLimit         int           `json:"ageLimit"`
+	} `json:"products"`
+	Ts               interface{} `json:"ts"`
+	Page             int         `json:"page"`
+	TotalPages       int         `json:"totalPages"`
+	TotalResults     string      `json:"totalResults"`
+	TotalGamesFound  int         `json:"totalGamesFound"`
+	TotalMoviesFound int         `json:"totalMoviesFound"`
+}
diff --git a/model/igdb.go b/model/igdb.go
new file mode 100644
index 0000000..1b685a0
--- /dev/null
+++ b/model/igdb.go
@@ -0,0 +1,98 @@
+package model
+
+type IGDBGameDetail struct {
+	ID               int   `json:"id,omitempty"`
+	ParentGame       int   `json:"parent_game,omitempty"`
+	AgeRatings       []int `json:"age_ratings,omitempty"`
+	AlternativeNames []struct {
+		Name string `json:"name,omitempty"`
+	} `json:"alternative_names,omitempty"`
+	Category int `json:"category,omitempty"`
+	Cover    struct {
+		URL string `json:"url,omitempty"`
+	} `json:"cover,omitempty"`
+	CreatedAt         int   `json:"created_at,omitempty"`
+	ExternalGames     []int `json:"external_games,omitempty"`
+	FirstReleaseDate  int   `json:"first_release_date,omitempty"`
+	Franchises        []int `json:"franchises,omitempty"`
+	GameModes         []int `json:"game_modes,omitempty"`
+	Genres            []int `json:"genres,omitempty"`
+	InvolvedCompanies []struct {
+		Company   int  `json:"company,omitempty"`
+		Developer bool `json:"developer,omitempty"`
+		Publisher bool `json:"publisher,omitempty"`
+	} `json:"involved_companies,omitempty"`
+	Name               string  `json:"name,omitempty"`
+	Platforms          []int   `json:"platforms,omitempty"`
+	PlayerPerspectives []int   `json:"player_perspectives,omitempty"`
+	Rating             float64 `json:"rating,omitempty"`
+	RatingCount        int     `json:"rating_count,omitempty"`
+	ReleaseDates       []int   `json:"release_dates,omitempty"`
+	Screenshots        []struct {
+		URL string `json:"url,omitempty"`
+	} `json:"screenshots,omitempty"`
+	SimilarGames          []int   `json:"similar_games,omitempty"`
+	Slug                  string  `json:"slug,omitempty"`
+	Summary               string  `json:"summary,omitempty"`
+	Tags                  []int   `json:"tags,omitempty"`
+	Themes                []int   `json:"themes,omitempty"`
+	TotalRating           float64 `json:"total_rating,omitempty"`
+	TotalRatingCount      int     `json:"total_rating_count,omitempty"`
+	UpdatedAt             int     `json:"updated_at,omitempty"`
+	URL                   string  `json:"url,omitempty"`
+	VersionParent         int     `json:"version_parent,omitempty"`
+	VersionTitle          string  `json:"version_title,omitempty"`
+	Checksum              string  `json:"checksum,omitempty"`
+	Websites              []int   `json:"websites,omitempty"`
+	GameLocalizations     []int   `json:"game_localizations,omitempty"`
+	AggregatedRating      float64 `json:"aggregated_rating,omitempty"`
+	AggregatedRatingCount int     `json:"aggregated_rating_count,omitempty"`
+	Artworks              []int   `json:"artworks,omitempty"`
+	Bundles               []int   `json:"bundles,omitempty"`
+	Collection            int     `json:"collection,omitempty"`
+	GameEngines           []int   `json:"game_engines,omitempty"`
+	Keywords              []int   `json:"keywords,omitempty"`
+	MultiplayerModes      []int   `json:"multiplayer_modes,omitempty"`
+	StandaloneExpansions  []int   `json:"standalone_expansions,omitempty"`
+	Storyline             string  `json:"storyline,omitempty"`
+	Videos                []int   `json:"videos,omitempty"`
+	LanguageSupports      []struct {
+		Language            int `json:"language,omitempty"`
+		LanguageSupportType int `json:"language_support_type,omitempty"`
+	} `json:"language_supports,omitempty"`
+	Collections []int `json:"collections,omitempty"`
+}
+
+type IGDBGameDetails []*IGDBGameDetail
+
+type IGDBCompany struct {
+	ID                 int    `json:"id"`
+	ChangeDateCategory int    `json:"change_date_category"`
+	Country            int    `json:"country"`
+	CreatedAt          int    `json:"created_at"`
+	Description        string `json:"description"`
+	Developed          []int  `json:"developed"`
+	Logo               int    `json:"logo"`
+	Name               string `json:"name"`
+	Parent             int    `json:"parent"`
+	Published          []int  `json:"published"`
+	Slug               string `json:"slug"`
+	StartDate          int    `json:"start_date"`
+	StartDateCategory  int    `json:"start_date_category"`
+	UpdatedAt          int    `json:"updated_at"`
+	URL                string `json:"url"`
+	Websites           []int  `json:"websites"`
+	Checksum           string `json:"checksum"`
+}
+
+type IGDBCompanies []*IGDBCompany
+
+type IGDBSearch struct {
+	ID              int    `json:"id"`
+	AlternativeName string `json:"alternative_name"`
+	Game            int    `json:"game"`
+	Name            string `json:"name"`
+	PublishedAt     int    `json:"published_at"`
+}
+
+type IGDBSearches []*IGDBSearch
diff --git a/model/steam.go b/model/steam.go
new file mode 100644
index 0000000..08cff6d
--- /dev/null
+++ b/model/steam.go
@@ -0,0 +1,138 @@
+package model
+
+type SteamAppDetail struct {
+	Success bool `json:"success"`
+	Data    struct {
+		Type                string        `json:"type"`
+		Name                string        `json:"name"`
+		SteamAppid          int           `json:"steam_appid"`
+		RequiredAge         any           `json:"required_age"`
+		IsFree              bool          `json:"is_free"`
+		ControllerSupport   string        `json:"controller_support"`
+		DetailedDescription string        `json:"detailed_description"`
+		AboutTheGame        string        `json:"about_the_game"`
+		ShortDescription    string        `json:"short_description"`
+		SupportedLanguages  string        `json:"supported_languages"`
+		HeaderImage         string        `json:"header_image"`
+		CapsuleImage        string        `json:"capsule_image"`
+		CapsuleImagev5      string        `json:"capsule_imagev5"`
+		Website             string        `json:"website"`
+		PcRequirements      any           `json:"pc_requirements"`
+		MacRequirements     any           `json:"mac_requirements"`
+		LinuxRequirements   any           `json:"linux_requirements"`
+		LegalNotice         string        `json:"legal_notice"`
+		Developers          []string      `json:"developers"`
+		Publishers          []string      `json:"publishers"`
+		PackageGroups       []interface{} `json:"package_groups"`
+		Platforms           struct {
+			Windows bool `json:"windows"`
+			Mac     bool `json:"mac"`
+			Linux   bool `json:"linux"`
+		} `json:"platforms"`
+		Metacritic struct {
+			Score int    `json:"score"`
+			URL   string `json:"url"`
+		} `json:"metacritic"`
+		Categories []struct {
+			ID          int    `json:"id"`
+			Description string `json:"description"`
+		} `json:"categories"`
+		Genres []struct {
+			ID          string `json:"id"`
+			Description string `json:"description"`
+		} `json:"genres"`
+		Screenshots []struct {
+			ID            int    `json:"id"`
+			PathThumbnail string `json:"path_thumbnail"`
+			PathFull      string `json:"path_full"`
+		} `json:"screenshots"`
+		Movies []struct {
+			ID        int    `json:"id"`
+			Name      string `json:"name"`
+			Thumbnail string `json:"thumbnail"`
+			Webm      struct {
+				Num480 string `json:"480"`
+				Max    string `json:"max"`
+			} `json:"webm"`
+			Mp4 struct {
+				Num480 string `json:"480"`
+				Max    string `json:"max"`
+			} `json:"mp4"`
+			Highlight bool `json:"highlight"`
+		} `json:"movies"`
+		Recommendations struct {
+			Total int `json:"total"`
+		} `json:"recommendations"`
+		Achievements struct {
+			Total       int `json:"total"`
+			Highlighted []struct {
+				Name string `json:"name"`
+				Path string `json:"path"`
+			} `json:"highlighted"`
+		} `json:"achievements"`
+		ReleaseDate struct {
+			ComingSoon bool   `json:"coming_soon"`
+			Date       string `json:"date"`
+		} `json:"release_date"`
+		SupportInfo struct {
+			URL   string `json:"url"`
+			Email string `json:"email"`
+		} `json:"support_info"`
+		Background         string `json:"background"`
+		BackgroundRaw      string `json:"background_raw"`
+		ContentDescriptors struct {
+			Ids   []interface{} `json:"ids"`
+			Notes interface{}   `json:"notes"`
+		} `json:"content_descriptors"`
+		Ratings struct {
+			Esrb struct {
+				Rating      string `json:"rating"`
+				Descriptors string `json:"descriptors"`
+				UseAgeGate  string `json:"use_age_gate"`
+				RequiredAge string `json:"required_age"`
+			} `json:"esrb"`
+			Pegi struct {
+				Rating      string `json:"rating"`
+				Descriptors string `json:"descriptors"`
+			} `json:"pegi"`
+			Oflc struct {
+				Rating      string `json:"rating"`
+				Descriptors string `json:"descriptors"`
+			} `json:"oflc"`
+		} `json:"ratings"`
+	} `json:"data"`
+}
+
+type SteamPackageDetail struct {
+	Success bool `json:"success"`
+	Data    struct {
+		Name        string `json:"name"`
+		PageContent string `json:"page_content"`
+		PageImage   string `json:"page_image"`
+		HeaderImage string `json:"header_image"`
+		SmallLogo   string `json:"small_logo"`
+		Apps        []struct {
+			ID   int    `json:"id"`
+			Name string `json:"name"`
+		} `json:"apps"`
+		Price struct {
+			Currency        string `json:"currency"`
+			Initial         int    `json:"initial"`
+			Final           int    `json:"final"`
+			DiscountPercent int    `json:"discount_percent"`
+			Individual      int    `json:"individual"`
+		} `json:"price"`
+		Platforms struct {
+			Windows bool `json:"windows"`
+			Mac     bool `json:"mac"`
+			Linux   bool `json:"linux"`
+		} `json:"platforms"`
+		Controller struct {
+			FullGamepad bool `json:"full_gamepad"`
+		} `json:"controller"`
+		ReleaseDate struct {
+			ComingSoon bool   `json:"coming_soon"`
+			Date       string `json:"date"`
+		} `json:"release_date"`
+	} `json:"data"`
+}
diff --git a/model/steam250.go b/model/steam250.go
new file mode 100644
index 0000000..7526053
--- /dev/null
+++ b/model/steam250.go
@@ -0,0 +1,6 @@
+package model
+
+type Steam250Item struct {
+	Name    string
+	SteamID int
+}
diff --git a/server/handler/clean_game.go b/server/handler/clean_game.go
new file mode 100644
index 0000000..50176ab
--- /dev/null
+++ b/server/handler/clean_game.go
@@ -0,0 +1,14 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/log"
+	"pcgamedb/task"
+
+	"github.com/gin-gonic/gin"
+)
+
+func CleanGameHandler(ctx *gin.Context) {
+	task.Clean(log.TaskLogger)
+	ctx.JSON(http.StatusOK, gin.H{"status": "ok"})
+}
diff --git a/server/handler/get_all_authors.go b/server/handler/get_all_authors.go
new file mode 100644
index 0000000..2eeb5cd
--- /dev/null
+++ b/server/handler/get_all_authors.go
@@ -0,0 +1,45 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+
+	"github.com/gin-gonic/gin"
+)
+
+type GetAllAuthorsResponse struct {
+	Status  string   `json:"status"`
+	Message string   `json:"message,omitempty"`
+	Authors []string `json:"authors,omitempty"`
+}
+
+// GetAllAuthorsHandler returns all authors
+// @Summary Get all authors
+// @Description Get all authors
+// @Tags author
+// @Accept json
+// @Produce json
+// @Success 200 {object} GetAllAuthorsResponse
+// @Failure 500 {object} GetAllAuthorsResponse
+// @Router /author [get]
+func GetAllAuthorsHandler(ctx *gin.Context) {
+	authors, err := db.GetAllAuthors()
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, GetAllAuthorsResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if len(authors) == 0 {
+		ctx.JSON(http.StatusOK, GetAllAuthorsResponse{
+			Status:  "ok",
+			Message: "No authors found",
+		})
+		return
+	}
+	ctx.JSON(http.StatusOK, GetAllAuthorsResponse{
+		Status:  "ok",
+		Authors: authors,
+	})
+}
diff --git a/server/handler/get_game_Infos_by_name.go b/server/handler/get_game_Infos_by_name.go
new file mode 100644
index 0000000..60c0ccc
--- /dev/null
+++ b/server/handler/get_game_Infos_by_name.go
@@ -0,0 +1,60 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+type GetGameInfosByNameRequest struct {
+	Name string `uri:"name" binding:"required"`
+}
+
+type GetGameInfosByNameResponse struct {
+	Status    string            `json:"status"`
+	Message   string            `json:"message,omitempty"`
+	GameInfos []*model.GameInfo `json:"game_infos,omitempty"`
+}
+
+// GetGameInfosByName retrieves game information by game name.
+// @Summary Retrieve game info by name
+// @Description Retrieves game information details by game name
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param name path string true "Game Name"
+// @Success 200 {object} GetGameInfosByNameResponse
+// @Failure 400 {object} GetGameInfosByNameResponse
+// @Failure 500 {object} GetGameInfosByNameResponse
+// @Router /game/name/{name} [get]
+func GetGameInfosByNameHandler(c *gin.Context) {
+	var req GetGameInfosByNameRequest
+	if err := c.ShouldBindUri(&req); err != nil {
+		c.JSON(http.StatusBadRequest, GetGameInfosByNameResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	games, err := db.GetGameInfosByName(req.Name)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, GetGameInfosByNameResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if len(games) == 0 {
+		c.JSON(http.StatusOK, GetGameInfosByNameResponse{
+			Status:  "ok",
+			Message: "No results found",
+		})
+		return
+	}
+	c.JSON(http.StatusOK, GetGameInfosByNameResponse{
+		Status:    "ok",
+		GameInfos: games,
+	})
+}
diff --git a/server/handler/get_game_download_by_id.go b/server/handler/get_game_download_by_id.go
new file mode 100644
index 0000000..95d527a
--- /dev/null
+++ b/server/handler/get_game_download_by_id.go
@@ -0,0 +1,70 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type GetGameDownloadByIDRequest struct {
+	ID string `uri:"id" binding:"required"`
+}
+
+type GetGameDownloadByIDResponse struct {
+	Status  string              `json:"status"`
+	Message string              `json:"message,omitempty"`
+	Game    *model.GameDownload `json:"game,omitempty"`
+}
+
+// GetGameDownloadByID retrieves game download details by ID.
+// @Summary Retrieve game download by ID
+// @Description Retrieves details of a game download by game ID
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param id path string true "Game Download ID"
+// @Success 200 {object} GetGameDownloadByIDResponse
+// @Failure 400 {object} GetGameDownloadByIDResponse
+// @Failure 500 {object} GetGameDownloadByIDResponse
+// @Router /game/raw/id/{id} [get]
+func GetGameDownloadByIDHanlder(c *gin.Context) {
+	var req GetGameDownloadByIDRequest
+	if err := c.ShouldBindUri(&req); err != nil {
+		c.JSON(http.StatusBadRequest, GetGameDownloadByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	id, err := primitive.ObjectIDFromHex(req.ID)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, GetGameDownloadByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	game, err := db.GetGameDownloadByID(id)
+	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			c.JSON(http.StatusOK, GetGameDownloadByIDResponse{
+				Status:  "ok",
+				Message: "No results found",
+			})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, GetGameDownloadByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, GetGameDownloadByIDResponse{
+		Status: "ok",
+		Game:   game,
+	})
+}
diff --git a/server/handler/get_game_download_by_raw_name.go b/server/handler/get_game_download_by_raw_name.go
new file mode 100644
index 0000000..a6c6430
--- /dev/null
+++ b/server/handler/get_game_download_by_raw_name.go
@@ -0,0 +1,68 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type GetGameDownloadByRawNameRequest struct {
+	Name string `uri:"name" binding:"required"`
+}
+
+type GetGameDownloadByRawNameResponse struct {
+	Status       string                `json:"status"`
+	Message      string                `json:"message,omitempty"`
+	GameDownload []*model.GameDownload `json:"game_downloads,omitempty"`
+}
+
+// GetGameDownloadByRawName retrieves game download details by raw name.
+// @Summary Retrieve game download by raw name
+// @Description Retrieves details of a game download by its raw name
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param name path string true "Game Download Raw Name"
+// @Success 200 {object} GetGameDownloadByRawNameResponse
+// @Failure 400 {object} GetGameDownloadByRawNameResponse
+// @Failure 500 {object} GetGameDownloadByRawNameResponse
+// @Router /game/raw/name/{name} [get]
+func GetGameDownloadByRawNameHandler(c *gin.Context) {
+	var req GetGameDownloadByRawNameRequest
+	if err := c.ShouldBindUri(&req); err != nil {
+		c.JSON(http.StatusBadRequest, GetGameDownloadByRawNameResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	gameDownload, err := db.GetGameDownloadByRawName(req.Name)
+	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			c.JSON(http.StatusOK, GetGameDownloadByRawNameResponse{
+				Status:  "ok",
+				Message: "No results found",
+			})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, GetGameDownloadByRawNameResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if gameDownload == nil {
+		c.JSON(http.StatusOK, GetGameDownloadByRawNameResponse{
+			Status:  "ok",
+			Message: "No results found",
+		})
+		return
+	}
+	c.JSON(http.StatusOK, GetGameDownloadByRawNameResponse{
+		Status:       "ok",
+		GameDownload: gameDownload,
+	})
+}
diff --git a/server/handler/get_game_downloads_by_author.go b/server/handler/get_game_downloads_by_author.go
new file mode 100644
index 0000000..3a9d213
--- /dev/null
+++ b/server/handler/get_game_downloads_by_author.go
@@ -0,0 +1,82 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+type GetGameDownloadsByAuthorRequest struct {
+	Author   string `uri:"author" binding:"required"`
+	Page     int    `form:"page" json:"page"`
+	PageSize int    `form:"page_size" json:"page_size"`
+}
+
+type GetGameDownloadsByAuthorResponse struct {
+	Status        string                `json:"status"`
+	Message       string                `json:"message,omitempty"`
+	TotalPage     int                   `json:"total_page"`
+	GameDownloads []*model.GameDownload `json:"game_downloads,omitempty"`
+}
+
+// GetGameDownloadsByAuthorHandler returns all game downloads by author
+// @Summary Get game downloads by author
+// @Description Get game downloads by author
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param author path string true "Author"
+// @Param page query int false "Page"
+// @Param page_size query int false "Page Size"
+// @Success 200 {object} GetGameDownloadsByAuthorResponse
+// @Failure 400 {object} GetGameDownloadsByAuthorResponse
+// @Failure 500 {object} GetGameDownloadsByAuthorResponse
+// @Router /game/raw/author/{author} [get]
+func GetGameDownloadsByAuthorHandler(ctx *gin.Context) {
+	var req GetGameDownloadsByAuthorRequest
+	if err := ctx.ShouldBindUri(&req); err != nil {
+		ctx.JSON(http.StatusBadRequest, GetGameDownloadsByAuthorResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if err := ctx.ShouldBind(&req); err != nil {
+		ctx.JSON(http.StatusBadRequest, GetGameDownloadsByAuthorResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if req.Page == 0 || req.Page < 0 {
+		req.Page = 1
+	}
+	if req.PageSize == 0 || req.PageSize < 0 {
+		req.PageSize = 10
+	}
+	if req.PageSize > 10 {
+		req.PageSize = 10
+	}
+	downloads, totalPage, err := db.GetGameDownloadsByAuthorPagination(req.Author, req.Page, req.PageSize)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, GetGameDownloadsByAuthorResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if len(downloads) == 0 {
+		ctx.JSON(http.StatusOK, GetGameDownloadsByAuthorResponse{
+			Status:  "ok",
+			Message: "No results found",
+		})
+		return
+	}
+	ctx.JSON(http.StatusOK, GetGameDownloadsByAuthorResponse{
+		Status:        "ok",
+		TotalPage:     totalPage,
+		GameDownloads: downloads,
+	})
+}
diff --git a/server/handler/get_game_info_by_id.go b/server/handler/get_game_info_by_id.go
new file mode 100644
index 0000000..86e97f8
--- /dev/null
+++ b/server/handler/get_game_info_by_id.go
@@ -0,0 +1,78 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type GetGameInfoByIDRequest struct {
+	ID string `uri:"id" binding:"required"`
+}
+
+type GetGameInfoByIDResponse struct {
+	Status   string          `json:"status"`
+	Message  string          `json:"message,omitempty"`
+	GameInfo *model.GameInfo `json:"game_info,omitempty"`
+}
+
+// GetGameInfoByID retrieves game information by ID.
+// @Summary Retrieve game info by ID
+// @Description Retrieves details of a game by game ID
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param id path string true "Game ID"
+// @Success 200 {object} GetGameInfoByIDResponse
+// @Failure 400 {object} GetGameInfoByIDResponse
+// @Failure 500 {object} GetGameInfoByIDResponse
+// @Router /game/id/{id} [get]
+func GetGameInfoByIDHandler(c *gin.Context) {
+	var req GetGameDownloadByIDRequest
+	if err := c.ShouldBindUri(&req); err != nil {
+		c.JSON(http.StatusBadRequest, GetGameInfoByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	id, err := primitive.ObjectIDFromHex(req.ID)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, GetGameInfoByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	gameInfo, err := db.GetGameInfoByID(id)
+	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			c.JSON(http.StatusOK, GetGameInfoByIDResponse{
+				Status:  "ok",
+				Message: "No results found",
+			})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, GetGameInfoByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	gameInfo.Games, err = db.GetGameDownloadsByIDs(gameInfo.GameIDs)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, GetGameInfoByIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, GetGameInfoByIDResponse{
+		Status:   "ok",
+		GameInfo: gameInfo,
+	})
+}
diff --git a/server/handler/get_game_info_by_platform_id.go b/server/handler/get_game_info_by_platform_id.go
new file mode 100644
index 0000000..cae7148
--- /dev/null
+++ b/server/handler/get_game_info_by_platform_id.go
@@ -0,0 +1,63 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type GetGameInfoByPlatformIDRequest struct {
+	PlatformType string `uri:"platform_type" binding:"required"`
+	PlatformID   int    `uri:"platform_id" binding:"required"`
+}
+
+type GetGameInfoByPlatformIDResponse struct {
+	Status   string          `json:"status"`
+	Message  string          `json:"message,omitempty"`
+	GameInfo *model.GameInfo `json:"game_info,omitempty"`
+}
+
+// GetGameInfoByPlatformID retrieves game information by platform and ID.
+// @Summary Retrieve game info by platform ID
+// @Description Retrieves game information based on a platform type and platform ID
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param platform_type path string true "Platform Type"
+// @Param platform_id path int true "Platform ID"
+// @Success 200 {object} GetGameInfoByPlatformIDResponse
+// @Failure 400 {object} GetGameInfoByPlatformIDResponse
+// @Failure 500 {object} GetGameInfoByPlatformIDResponse
+// @Router /game/platform/{platform_type}/{platform_id} [get]
+func GetGameInfoByPlatformIDHandler(c *gin.Context) {
+	var req GetGameInfoByPlatformIDRequest
+	if err := c.ShouldBindUri(&req); err != nil {
+		c.JSON(http.StatusBadRequest, GetGameInfoByPlatformIDResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	gameInfo, err := db.GetGameInfoByPlatformID(req.PlatformType, req.PlatformID)
+	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			c.JSON(http.StatusOK, GetGameInfoByPlatformIDResponse{
+				Status:  "ok",
+				Message: "No results found",
+			})
+		} else {
+			c.JSON(http.StatusInternalServerError, GetGameInfoByPlatformIDResponse{
+				Status:  "error",
+				Message: err.Error(),
+			})
+		}
+	} else {
+		c.JSON(http.StatusOK, GetGameInfoByPlatformIDResponse{
+			Status:   "ok",
+			GameInfo: gameInfo,
+		})
+	}
+}
diff --git a/server/handler/get_ranking.go b/server/handler/get_ranking.go
new file mode 100644
index 0000000..2ed4752
--- /dev/null
+++ b/server/handler/get_ranking.go
@@ -0,0 +1,65 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/crawler"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+type GetRankingResponse struct {
+	Status  string            `json:"status"`
+	Message string            `json:"message,omitempty"`
+	Games   []*model.GameInfo `json:"games"`
+}
+
+// GetRanking retrieves game rankings.
+// @Summary Retrieve rankings
+// @Description Retrieves rankings based on a specified type
+// @Tags ranking
+// @Accept json
+// @Produce json
+// @Param type path string true "Ranking Type(top, week-top, best-of-the-year, most-played)"
+// @Success 200 {object} GetRankingResponse
+// @Failure 400 {object} GetRankingResponse
+// @Failure 500 {object} GetRankingResponse
+// @Router /ranking/{type} [get]
+func GetRankingHandler(c *gin.Context) {
+	rankingType, exist := c.Params.Get("type")
+	if !exist {
+		c.JSON(http.StatusBadRequest, GetRankingResponse{
+			Status:  "error",
+			Message: "Missing ranking type",
+		})
+	}
+	var f func() ([]*model.GameInfo, error)
+	switch rankingType {
+	case "top":
+		f = crawler.GetSteam250Top250Cache
+	case "week-top":
+		f = crawler.GetSteam250WeekTop50Cache
+	case "best-of-the-year":
+		f = crawler.GetSteam250BestOfTheYearCache
+	case "most-played":
+		f = crawler.GetSteam250MostPlayedCache
+	default:
+		c.JSON(http.StatusBadRequest, GetRankingResponse{
+			Status:  "error",
+			Message: "Invalid ranking type",
+		})
+		return
+	}
+	rank, err := f()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, GetRankingResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, GetRankingResponse{
+		Status: "ok",
+		Games:  rank,
+	})
+}
diff --git a/server/handler/get_unorganized_game_downloads.go b/server/handler/get_unorganized_game_downloads.go
new file mode 100644
index 0000000..7e1925f
--- /dev/null
+++ b/server/handler/get_unorganized_game_downloads.go
@@ -0,0 +1,65 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+type GetUnorganizedGameDownloadsRequest struct {
+	Num int `json:"num" form:"num"`
+}
+
+type GetUnorganizedGameDownloadsResponse struct {
+	Status        string                `json:"status"`
+	Message       string                `json:"message,omitempty"`
+	Size          int                   `json:"size,omitempty"`
+	GameDownloads []*model.GameDownload `json:"game_downloads,omitempty"`
+}
+
+// GetUnorganizedGameDownloads retrieves a list of unorganized game downloads.
+// @Summary List unorganized game downloads
+// @Description Retrieves game downloads that have not been organized
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param num query int false "Number of game downloads to retrieve"
+// @Success 200 {object} GetUnorganizedGameDownloadsResponse
+// @Failure 400 {object} GetUnorganizedGameDownloadsResponse
+// @Failure 500 {object} GetUnorganizedGameDownloadsResponse
+// @Router /game/raw/unorganized [get]
+func GetUnorganizedGameDownloadsHandler(c *gin.Context) {
+	var req GetUnorganizedGameDownloadsRequest
+	if err := c.ShouldBind(&req); err != nil {
+		c.JSON(http.StatusBadRequest, GetUnorganizedGameDownloadsResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if req.Num == 0 || req.Num < 0 {
+		req.Num = -1
+	}
+	gameDownloads, err := db.GetUnorganizedGameDownloads(req.Num)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, GetUnorganizedGameDownloadsResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if len(gameDownloads) == 0 {
+		c.JSON(http.StatusOK, GetUnorganizedGameDownloadsResponse{
+			Status:  "ok",
+			Message: "No unorganized game downloads found",
+		})
+		return
+	}
+	c.JSON(http.StatusOK, GetUnorganizedGameDownloadsResponse{
+		Status:        "ok",
+		GameDownloads: gameDownloads,
+		Size:          len(gameDownloads),
+	})
+}
diff --git a/server/handler/healthcheck.go b/server/handler/healthcheck.go
new file mode 100644
index 0000000..90d99e2
--- /dev/null
+++ b/server/handler/healthcheck.go
@@ -0,0 +1,61 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+	"pcgamedb/config"
+	"pcgamedb/db"
+	"runtime"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+type HealthCheckResponse struct {
+	Status             string `json:"status"`
+	Message            string `json:"message,omitempty"`
+	Date               string `json:"date"`
+	Uptime             string `json:"uptime"`
+	Alloc              string `json:"alloc"`
+	AutoCrawl          bool   `json:"auto_crawl"`
+	GameDownload       int64  `json:"game_download,omitempty"`
+	GameInfo           int64  `json:"game_info,omitempty"`
+	Unorganized        int64  `json:"unorganized,omitempty"`
+	RedisAvaliable     bool   `json:"redis_avaliable"`
+	OnlineFixAvaliable bool   `json:"online_fix_avaliable"`
+	MegaAvaliable      bool   `json:"mega_avaliable"`
+}
+
+// HealthCheckHandler performs a health check of the service.
+// @Summary Health Check
+// @Description Performs a server health check and returns detailed server status including the current time, uptime, and configuration settings such as AutoCrawl.
+// @Tags health
+// @Accept  json
+// @Produce  json
+// @Success 200 {object} HealthCheckResponse
+// @Failure 500 {string} HealthCheckResponse
+// @Router /healthcheck [get]
+func HealthCheckHandler(c *gin.Context) {
+	var m runtime.MemStats
+	runtime.ReadMemStats(&m)
+	downloadCount, _ := db.GetGameDownloadCount()
+	infoCount, _ := db.GetGameInfoCount()
+	unorganized, err := db.GetUnorganizedGameDownloads(-1)
+	unorganizedCount := int64(0)
+	if err == nil {
+		unorganizedCount = int64(len(unorganized))
+	}
+	c.JSON(http.StatusOK, HealthCheckResponse{
+		Status:             "ok",
+		Date:               time.Now().Format("2006-01-02 15:04:05"),
+		Uptime:             time.Since(config.Runtime.ServerStartTime).String(),
+		AutoCrawl:          config.Config.Server.AutoCrawl,
+		Alloc:              fmt.Sprintf("%.2f MB", float64(m.Alloc)/1024.0/1024.0),
+		GameDownload:       downloadCount,
+		GameInfo:           infoCount,
+		Unorganized:        unorganizedCount,
+		RedisAvaliable:     config.Config.RedisAvaliable,
+		OnlineFixAvaliable: config.Config.OnlineFixAvaliable,
+		MegaAvaliable:      config.Config.MegaAvaliable,
+	})
+}
diff --git a/server/handler/organize_game_info.go b/server/handler/organize_game_info.go
new file mode 100644
index 0000000..8128353
--- /dev/null
+++ b/server/handler/organize_game_info.go
@@ -0,0 +1,67 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/crawler"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type OrganizeGameDownloadRequest struct {
+	Platform   string `form:"platform" json:"platform" binding:"required"`
+	GameID     string `form:"game_id" json:"game_id" binding:"required"`
+	PlatformID int    `form:"platform_id" json:"platform_id" binding:"required"`
+}
+
+type OrganizeGameDownloadResponse struct {
+	Status   string          `json:"status"`
+	Message  string          `json:"message,omitempty"`
+	GameInfo *model.GameInfo `json:"game_info,omitempty"`
+}
+
+// OrganizeGameDownload organizes a specific game download.
+// @Summary Organize a game download
+// @Description Organizes a game download based on platform and game ID
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param Authorization header string true "Authorization: Bearer <api_key>"
+// @Param body body OrganizeGameDownloadRequest true "Organize Game Download Request"
+// @Success 200 {object} OrganizeGameDownloadResponse
+// @Failure 400 {object} OrganizeGameDownloadResponse
+// @Failure 401 {object} OrganizeGameDownloadResponse
+// @Failure 500 {object} OrganizeGameDownloadResponse
+// @Security BearerAuth
+// @Router /game/raw/organize [post]
+func OrganizeGameDownloadHandler(c *gin.Context) {
+	var req OrganizeGameDownloadRequest
+	if err := c.ShouldBind(&req); err != nil {
+		c.JSON(http.StatusBadRequest, OrganizeGameDownloadResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	objID, err := primitive.ObjectIDFromHex(req.GameID)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, OrganizeGameDownloadResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	info, err := crawler.OrganizeGameDownloadManually(objID, req.Platform, req.PlatformID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, OrganizeGameDownloadResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, OrganizeGameDownloadResponse{
+		Status:   "ok",
+		GameInfo: info,
+	})
+}
diff --git a/server/handler/search_games.go b/server/handler/search_games.go
new file mode 100644
index 0000000..1a641fa
--- /dev/null
+++ b/server/handler/search_games.go
@@ -0,0 +1,75 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/db"
+	"pcgamedb/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+type SearchGamesRequest struct {
+	Keyword  string `form:"keyword" json:"keyword" binding:"required,min=4,max=64"`
+	Page     int    `form:"page" json:"page"`
+	PageSize int    `form:"page_size" json:"page_size"`
+}
+
+type SearchGamesResponse struct {
+	Status    string            `json:"status"`
+	Message   string            `json:"message,omitempty"`
+	TotalPage int               `json:"total_page,omitempty"`
+	GameInfos []*model.GameInfo `json:"game_infos,omitempty"`
+}
+
+// SearchGames searches for games based on a keyword.
+// @Summary Search games
+// @Description Searches for games based on the provided keyword
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param keyword query string true "Search keyword"
+// @Param page query int false "Page number"
+// @Param page_size query int false "Number of items per page"
+// @Success 200 {object} SearchGamesResponse
+// @Failure 400 {object} SearchGamesResponse
+// @Failure 500 {object} SearchGamesResponse
+// @Router /game/search [get]
+func SearchGamesHandler(c *gin.Context) {
+	var req SearchGamesRequest
+	if err := c.ShouldBind(&req); err != nil {
+		c.JSON(http.StatusBadRequest, SearchGamesResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if req.Page == 0 || req.Page < 0 {
+		req.Page = 1
+	}
+	if req.PageSize == 0 || req.PageSize < 0 {
+		req.PageSize = 10
+	}
+	if req.PageSize > 10 {
+		req.PageSize = 10
+	}
+	items, totalPage, err := db.SearchGameInfosCache(req.Keyword, req.Page, req.PageSize)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, SearchGamesResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	if len(items) == 0 {
+		c.JSON(http.StatusOK, SearchGamesResponse{
+			Status:  "ok",
+			Message: "No results found",
+		})
+		return
+	}
+	c.JSON(http.StatusOK, SearchGamesResponse{
+		Status:    "ok",
+		TotalPage: totalPage,
+		GameInfos: items,
+	})
+}
diff --git a/server/handler/update_game_info.go b/server/handler/update_game_info.go
new file mode 100644
index 0000000..87884bd
--- /dev/null
+++ b/server/handler/update_game_info.go
@@ -0,0 +1,100 @@
+package handler
+
+import (
+	"net/http"
+	"pcgamedb/crawler"
+	"pcgamedb/db"
+	"pcgamedb/model"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type UpdateGameInfoRequest struct {
+	GameID     string `json:"game_id" binding:"required"`
+	Platform   string `json:"platform" binding:"required"`
+	PlatformID int    `json:"platform_id" binding:"required"`
+}
+
+type UpdateGameInfoResponse struct {
+	Status   string          `json:"status"`
+	Message  string          `json:"message"`
+	GameInfo *model.GameInfo `json:"game_info,omitempty"`
+}
+
+// UpdateGameInfoHandler updates game information.
+// @Summary Update game info
+// @Description Updates details of a game
+// @Tags game
+// @Accept json
+// @Produce json
+// @Param Authorization header string true "Authorization: Bearer <api_key>"
+// @Param body body handler.UpdateGameInfoRequest true "Update Game Info Request"
+// @Success 200 {object} handler.UpdateGameInfoResponse
+// @Failure 400 {object} handler.UpdateGameInfoResponse
+// @Failure 401 {object} handler.UpdateGameInfoResponse
+// @Failure 500 {object} handler.UpdateGameInfoResponse
+// @Router /game/update [post]
+func UpdateGameInfoHandler(c *gin.Context) {
+	var req UpdateGameInfoRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, UpdateGameInfoResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	req.Platform = strings.ToLower(req.Platform)
+	platformMap := map[string]bool{
+		"steam": true,
+		"igdb":  true,
+		"gog":   true,
+	}
+	if _, ok := platformMap[req.Platform]; !ok {
+		c.JSON(http.StatusBadRequest, UpdateGameInfoResponse{
+			Status:  "error",
+			Message: "Invalid platform",
+		})
+		return
+	}
+	objID, err := primitive.ObjectIDFromHex(req.GameID)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, UpdateGameInfoResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	info, err := db.GetGameInfoByID(objID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, UpdateGameInfoResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	newInfo, err := crawler.GenerateGameInfo(req.Platform, req.PlatformID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, UpdateGameInfoResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	newInfo.ID = objID
+	newInfo.GameIDs = info.GameIDs
+	err = db.SaveGameInfo(newInfo)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, UpdateGameInfoResponse{
+			Status:  "error",
+			Message: err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, UpdateGameInfoResponse{
+		Status:   "ok",
+		Message:  "Game info updated successfully",
+		GameInfo: newInfo,
+	})
+}
diff --git a/server/middleware/auth.go b/server/middleware/auth.go
new file mode 100644
index 0000000..d25a939
--- /dev/null
+++ b/server/middleware/auth.go
@@ -0,0 +1,42 @@
+package middleware
+
+import (
+	"net/http"
+	"pcgamedb/config"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Auth() gin.HandlerFunc {
+	apiKey := config.Config.Server.SecretKey
+	if apiKey == "" {
+		return func(c *gin.Context) {
+			c.JSON(http.StatusInternalServerError, gin.H{
+				"status":  "error",
+				"message": "API key is not configured properly.",
+			})
+			c.Abort()
+		}
+	}
+	return func(c *gin.Context) {
+		auth := c.GetHeader("Authorization")
+		if auth == "" {
+			c.JSON(http.StatusUnauthorized, gin.H{
+				"status":  "error",
+				"message": "Unauthorized. No API key provided.",
+			})
+			c.Abort()
+			return
+		}
+		if strings.TrimPrefix(auth, "Bearer ") != apiKey {
+			c.JSON(http.StatusUnauthorized, gin.H{
+				"status":  "error",
+				"message": "Unauthorized. Invalid API key.",
+			})
+			c.Abort()
+			return
+		}
+		c.Next()
+	}
+}
diff --git a/server/middleware/log.go b/server/middleware/log.go
new file mode 100644
index 0000000..b1192ba
--- /dev/null
+++ b/server/middleware/log.go
@@ -0,0 +1,40 @@
+package middleware
+
+import (
+	"pcgamedb/log"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+func Logger() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		startTime := time.Now()
+
+		c.Next()
+
+		endTime := time.Now()
+		latencyTime := endTime.Sub(startTime).Milliseconds()
+		reqMethod := c.Request.Method
+		reqURI := c.Request.RequestURI
+		statusCode := c.Writer.Status()
+		clientIP := c.ClientIP()
+
+		log.Logger.Info(
+			"request",
+			zap.Int("code", statusCode),
+			zap.String("method", reqMethod),
+			zap.String("uri", reqURI),
+			zap.String("ip", clientIP),
+			zap.String("latency", strconv.Itoa(int(latencyTime))+"ms"),
+		)
+
+		if len(c.Errors) > 0 {
+			for _, e := range c.Errors.Errors() {
+				log.Logger.Error(e)
+			}
+		}
+	}
+}
diff --git a/server/middleware/recover.go b/server/middleware/recover.go
new file mode 100644
index 0000000..9296a2f
--- /dev/null
+++ b/server/middleware/recover.go
@@ -0,0 +1,21 @@
+package middleware
+
+import (
+	"net/http"
+	"pcgamedb/log"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+func Recovery() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		defer func() {
+			if rec := recover(); rec != nil {
+				log.Logger.Error("Recovery", zap.Any("error", rec), zap.Stack("stacktrace"))
+				c.JSON(http.StatusInternalServerError, gin.H{"status": "error"})
+			}
+		}()
+		c.Next()
+	}
+}
diff --git a/server/route.go b/server/route.go
new file mode 100644
index 0000000..6effbdb
--- /dev/null
+++ b/server/route.go
@@ -0,0 +1,43 @@
+package server
+
+import (
+	"pcgamedb/server/handler"
+	"pcgamedb/server/middleware"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+
+	docs "pcgamedb/docs"
+
+	swaggerfiles "github.com/swaggo/files"
+	ginSwagger "github.com/swaggo/gin-swagger"
+)
+
+func initRoute(app *gin.Engine) {
+	app.Use(cors.New(cors.Config{
+		AllowAllOrigins: true,
+	}))
+
+	GameInfoGroup := app.Group("/game")
+	GameDownloadGroup := GameInfoGroup.Group("/raw")
+
+	GameDownloadGroup.GET("/unorganized", handler.GetUnorganizedGameDownloadsHandler)
+	GameDownloadGroup.POST("/organize", middleware.Auth(), handler.OrganizeGameDownloadHandler)
+	GameDownloadGroup.GET("/id/:id", handler.GetGameDownloadByIDHanlder)
+	GameDownloadGroup.GET("/name/:name", handler.GetGameDownloadByRawNameHandler)
+	GameDownloadGroup.GET("/author/:author", handler.GetGameDownloadsByAuthorHandler)
+
+	GameInfoGroup.GET("/search", handler.SearchGamesHandler)
+	GameInfoGroup.GET("/name/:name", handler.GetGameInfosByNameHandler)
+	GameInfoGroup.GET("/platform/:platform_type/:platform_id", handler.GetGameInfoByPlatformIDHandler)
+	GameInfoGroup.GET("/id/:id", handler.GetGameInfoByIDHandler)
+	GameInfoGroup.PUT("/update", middleware.Auth(), handler.UpdateGameInfoHandler)
+
+	app.GET("/ranking/:type", handler.GetRankingHandler)
+	app.GET("/healthcheck", handler.HealthCheckHandler)
+	app.GET("/author", handler.GetAllAuthorsHandler)
+	app.POST("/clean", middleware.Auth(), handler.CleanGameHandler)
+
+	docs.SwaggerInfo.BasePath = "/api"
+	app.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerfiles.Handler))
+}
diff --git a/server/server.go b/server/server.go
new file mode 100644
index 0000000..41c6e1e
--- /dev/null
+++ b/server/server.go
@@ -0,0 +1,46 @@
+package server
+
+import (
+	"io"
+	"pcgamedb/cache"
+	"pcgamedb/config"
+	"pcgamedb/db"
+	"pcgamedb/log"
+	"pcgamedb/server/middleware"
+	"pcgamedb/task"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/robfig/cron/v3"
+	"go.uber.org/zap"
+)
+
+func init() {
+	config.Runtime.ServerStartTime = time.Now()
+}
+
+func Run() {
+	db.CheckConnect()
+	cache.CheckConnect()
+	gin.SetMode(gin.ReleaseMode)
+	gin.DefaultWriter = io.Discard
+	app := gin.New()
+	app.Use(middleware.Logger())
+	app.Use(middleware.Recovery())
+	initRoute(app)
+	log.Logger.Info("Server running", zap.String("port", config.Config.Server.Port))
+	if config.Config.Server.AutoCrawl {
+		go func() {
+			c := cron.New()
+			_, err := c.AddFunc("0 */3 * * *", func() { task.Crawl(log.TaskLogger) })
+			if err != nil {
+				log.Logger.Error("Error adding cron job", zap.Error(err))
+			}
+			c.Start()
+		}()
+	}
+	err := app.Run(":" + config.Config.Server.Port)
+	if err != nil {
+		log.Logger.Panic("Failed to run server", zap.Error(err))
+	}
+}
diff --git a/task/clean.go b/task/clean.go
new file mode 100644
index 0000000..a7f193c
--- /dev/null
+++ b/task/clean.go
@@ -0,0 +1,35 @@
+package task
+
+import (
+	"pcgamedb/db"
+
+	"go.uber.org/zap"
+)
+
+func Clean(logger *zap.Logger) {
+	ids, err := db.DeduplicateGames()
+	if err != nil {
+		logger.Error("Failed to deduplicate games", zap.Error(err))
+	}
+	for _, id := range ids {
+		logger.Info("Deduplicated game", zap.Any("game_id", id))
+	}
+	idmap, err := db.CleanOrphanGamesInGameInfos()
+	if err != nil {
+		logger.Error("Failed to clean orphan games", zap.Error(err))
+	}
+	for _, id := range idmap {
+		logger.Info("Cleaned orphan game in game info", zap.Any("in", id), zap.Any("removed", idmap[id]))
+	}
+	ids, err = db.CleanGameInfoWithEmptyGameIDs()
+	if err != nil {
+		logger.Error("Failed to clean game info with empty game ids", zap.Error(err))
+	}
+	for _, id := range ids {
+		logger.Info("Cleaned game info with empty game ids", zap.Any("game_id", id))
+	}
+	err = db.MergeSameNameGameInfos()
+	if err != nil {
+		logger.Error("Failed to merge same name game infos", zap.Error(err))
+	}
+}
diff --git a/task/crawl.go b/task/crawl.go
new file mode 100644
index 0000000..d0493e5
--- /dev/null
+++ b/task/crawl.go
@@ -0,0 +1,38 @@
+package task
+
+import (
+	"pcgamedb/crawler"
+	"pcgamedb/model"
+
+	"go.uber.org/zap"
+)
+
+func Crawl(logger *zap.Logger) {
+	var games []*model.GameDownload
+	var crawlerMap = crawler.BuildCrawlerMap(logger)
+	for _, item := range crawlerMap {
+		if c, ok := item.(crawler.PagedCrawler); ok {
+			g, err := c.CrawlMulti([]int{1, 2, 3})
+			if err != nil {
+				logger.Error("Failed to crawl games", zap.Error(err))
+			}
+			games = append(games, g...)
+		} else if c, ok := item.(crawler.SimpleCrawler); ok {
+			g, err := c.CrawlAll()
+			if err != nil {
+				logger.Error("Failed to crawl games", zap.Error(err))
+			}
+			games = append(games, g...)
+		}
+	}
+	logger.Info("Crawled finished", zap.Int("count", len(games)))
+	for _, game := range games {
+		logger.Info(
+			"Crawled game",
+			zap.String("name", game.RawName),
+			zap.String("author", game.Author),
+			zap.String("url", game.Url),
+		)
+	}
+	Clean(logger)
+}
diff --git a/utils/fetch.go b/utils/fetch.go
new file mode 100644
index 0000000..0391cb8
--- /dev/null
+++ b/utils/fetch.go
@@ -0,0 +1,178 @@
+package utils
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"golang.org/x/net/html/charset"
+)
+
+const userAgent string = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"
+
+type FetchConfig struct {
+	Method     string
+	Url        string
+	Data       interface{}
+	RetryTimes int
+	Headers    map[string]string
+	Cookies    map[string]string
+}
+
+type FetchResponse struct {
+	StatusCode int
+	Data       []byte
+	Header     http.Header
+	Cookie     []*http.Cookie
+}
+
+func Fetch(cfg FetchConfig) (*FetchResponse, error) {
+	var req *http.Request
+	var resp *http.Response
+	var backoff time.Duration = 1
+	var reqBody io.Reader = nil
+	var err error
+
+	if cfg.RetryTimes == 0 {
+		cfg.RetryTimes = 3
+	}
+	if cfg.Method == "" {
+		cfg.Method = "GET"
+	}
+
+	if cfg.Data != nil && (cfg.Method == "POST" || cfg.Method == "PUT") {
+		if cfg.Headers == nil {
+			cfg.Headers = map[string]string{}
+		}
+		if _, exist := cfg.Headers["Content-Type"]; !exist {
+			cfg.Headers["Content-Type"] = "application/json"
+		}
+		v := cfg.Headers["Content-Type"]
+		if v == "application/x-www-form-urlencoded" {
+			switch data := cfg.Data.(type) {
+			case map[string]string:
+				params := url.Values{}
+				for k, v := range data {
+					params.Set(k, v)
+				}
+				reqBody = strings.NewReader(params.Encode())
+			case string:
+				reqBody = strings.NewReader(data)
+			case url.Values:
+				reqBody = strings.NewReader(data.Encode())
+			default:
+				return nil, errors.New("unsupported data type")
+			}
+		} else if v == "application/json" {
+			var jsonData []byte
+			jsonData, err = json.Marshal(cfg.Data)
+			if err != nil {
+				return nil, err
+			}
+			reqBody = bytes.NewReader(jsonData)
+		} else {
+			reqBody = strings.NewReader(cfg.Data.(string))
+		}
+	}
+
+	for retryTime := 0; retryTime <= cfg.RetryTimes; retryTime++ {
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+
+		req, err = http.NewRequestWithContext(ctx, cfg.Method, cfg.Url, reqBody)
+		if err != nil {
+			return nil, err
+		}
+		if cfg.Method == "POST" || cfg.Method == "PUT" {
+			req.Header.Set("Content-Type", "application/json")
+		}
+		if v, exist := cfg.Headers["User-Agent"]; exist {
+			if v != "" {
+				req.Header.Set("User-Agent", v)
+			}
+		} else {
+			req.Header.Set("User-Agent", userAgent)
+		}
+		for k, v := range cfg.Headers {
+			req.Header.Set(k, v)
+		}
+		for k, v := range cfg.Cookies {
+			req.AddCookie(&http.Cookie{Name: k, Value: v})
+		}
+		resp, err = http.DefaultClient.Do(req)
+		if err != nil {
+			if isRetryableError(err) {
+				err = errors.New("request error: " + err.Error())
+				time.Sleep(backoff * time.Second)
+				backoff *= 2
+				continue
+			}
+		}
+
+		if resp == nil {
+			return nil, errors.New("response is nil")
+		}
+
+		if isRetryableStatusCode(resp.StatusCode) {
+			err = errors.New("response status code: " + resp.Status)
+			time.Sleep(backoff * time.Second)
+			backoff *= 2
+			continue
+		}
+
+		contentType := resp.Header.Get("Content-Type")
+		var reader io.Reader
+		if strings.Contains(contentType, "charset=") {
+			reader, err = charset.NewReader(resp.Body, contentType)
+		} else {
+			reader = resp.Body
+		}
+		if err != nil {
+			return nil, err
+		}
+		dataBytes, err := io.ReadAll(reader)
+		if err != nil {
+			return nil, err
+		}
+
+		res := &FetchResponse{
+			StatusCode: resp.StatusCode,
+			Header:     resp.Header,
+			Cookie:     resp.Cookies(),
+			Data:       dataBytes,
+		}
+
+		return res, nil
+	}
+	return nil, err
+}
+
+func isRetryableStatusCode(statusCode int) bool {
+	switch statusCode {
+	case http.StatusInternalServerError,
+		http.StatusBadGateway,
+		http.StatusServiceUnavailable,
+		http.StatusGatewayTimeout,
+		http.StatusTooManyRequests:
+		return true
+	default:
+		return false
+	}
+}
+
+func isRetryableError(err error) bool {
+	if err != nil {
+		var netErr net.Error
+		if errors.As(err, &netErr) && netErr.Timeout() {
+			return true
+		}
+	}
+	return false
+}
diff --git a/utils/is_russian.go b/utils/is_russian.go
new file mode 100644
index 0000000..6577486
--- /dev/null
+++ b/utils/is_russian.go
@@ -0,0 +1,12 @@
+package utils
+
+import "unicode"
+
+func ContainsRussian(s string) bool {
+	for _, r := range s {
+		if unicode.Is(unicode.Cyrillic, r) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/utils/keeplinks.go b/utils/keeplinks.go
new file mode 100644
index 0000000..1339a40
--- /dev/null
+++ b/utils/keeplinks.go
@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+)
+
+func SolveKeepLinks(url string) (string, error) {
+	id := url[strings.LastIndex(url, "/")+1:]
+	resp, err := Fetch(FetchConfig{
+		Url: url,
+		Cookies: map[string]string{
+			fmt.Sprintf("flag[%s]", id): "1",
+		},
+	})
+	if err != nil {
+		return "", err
+	}
+	doc, err := goquery.NewDocumentFromReader(bytes.NewReader(resp.Data))
+	if err != nil {
+		return "", err
+	}
+	return doc.Find(".livelbl a").Text(), nil
+}
diff --git a/utils/magnet.go b/utils/magnet.go
new file mode 100644
index 0000000..0f423bf
--- /dev/null
+++ b/utils/magnet.go
@@ -0,0 +1,85 @@
+package utils
+
+import (
+	"bytes"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/anacrolix/torrent/metainfo"
+)
+
+func ConvertTorrentToMagnet(torrent []byte) (string, string, error) {
+	minfo, err := metainfo.Load(bytes.NewReader(torrent))
+	if err != nil {
+		return "", "", err
+	}
+	info, err := minfo.UnmarshalInfo()
+	if err != nil {
+		return "", "", err
+	}
+	var size int64 = info.Length
+	if size == 0 {
+		for _, file := range info.Files {
+			size += file.Length
+		}
+	}
+	infoHash := minfo.HashInfoBytes()
+	magnet := minfo.Magnet(&infoHash, &info)
+	return magnet.String(), FormatSize(size), nil
+}
+
+func FormatSize(size int64) string {
+	const (
+		_        = iota
+		KB int64 = 1 << (10 * iota)
+		MB
+		GB
+		TB
+	)
+	switch {
+	case size >= GB:
+		return fmt.Sprintf("%.1f GB", float64(size)/float64(GB))
+	case size >= MB:
+		return fmt.Sprintf("%.1f MB", float64(size)/float64(MB))
+	case size >= KB:
+		return fmt.Sprintf("%.1f KB", float64(size)/float64(KB))
+	default:
+		return fmt.Sprintf("%d Bytes", size)
+	}
+}
+
+func SubSizeStrings(sizes []string) (string, error) {
+	size := int64(0)
+	for _, sizeStr := range sizes {
+		sizeStr := strings.ToLower(sizeStr)
+		if strings.Contains(sizeStr, "gb") {
+			sizeStr = strings.ReplaceAll(sizeStr, "gb", "")
+			sizeStr = strings.TrimSpace(sizeStr)
+			addSize, err := strconv.ParseFloat(sizeStr, 64)
+			if err != nil {
+				return "", err
+			}
+			size += int64(addSize * 1024 * 1024 * 1024)
+		}
+		if strings.Contains(sizeStr, "mb") {
+			sizeStr = strings.ReplaceAll(sizeStr, "mb", "")
+			sizeStr = strings.TrimSpace(sizeStr)
+			addSize, err := strconv.ParseFloat(sizeStr, 64)
+			if err != nil {
+				return "", err
+			}
+			size += int64(addSize * 1024 * 1024)
+		}
+		if strings.Contains(sizeStr, "kb") {
+			sizeStr = strings.ReplaceAll(sizeStr, "kb", "")
+			sizeStr = strings.TrimSpace(sizeStr)
+			addSize, err := strconv.ParseFloat(sizeStr, 64)
+			if err != nil {
+				return "", err
+			}
+			size += int64(addSize * 1024)
+		}
+	}
+	return FormatSize(size), nil
+}
diff --git a/utils/mega.go b/utils/mega.go
new file mode 100644
index 0000000..20fe2d6
--- /dev/null
+++ b/utils/mega.go
@@ -0,0 +1,70 @@
+package utils
+
+import (
+	"bytes"
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"strings"
+)
+
+func MegaDownload(url string, path string) (string, []string, error) {
+	stat, err := os.Stat("torrent")
+	if err != nil {
+		if os.IsNotExist(err) {
+			err = os.Mkdir("torrent", 0755)
+			if err != nil {
+				return "", nil, err
+			}
+		} else {
+			return "", nil, err
+		}
+	}
+	if !stat.IsDir() {
+		os.Remove("torrent")
+		err = os.Mkdir("torrent", 0755)
+		if err != nil {
+			return "", nil, err
+		}
+	}
+	cmd := exec.Command("mega-get", url, path)
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	err = cmd.Run()
+	if err != nil {
+		return "", nil, err
+	}
+	pathRegex := regexp.MustCompile(`(?i)Download finished: (.*)`)
+	pathRegexRes := pathRegex.FindAllStringSubmatch(out.String(), -1)
+	if len(pathRegexRes) == 0 {
+		return "", nil, errors.New("Mega download failed")
+	}
+	pathRegexRes[0][1] = strings.TrimSpace(pathRegexRes[0][1])
+	res, err := walkDir(pathRegexRes[0][1])
+	if err != nil {
+		return "", nil, err
+	}
+	return pathRegexRes[0][1], res, nil
+}
+
+func walkDir(path string) ([]string, error) {
+	files, err := os.ReadDir(path)
+	if err != nil {
+		return nil, err
+	}
+	res := []string{}
+	for _, file := range files {
+		if file.IsDir() {
+			subFiles, err := walkDir(filepath.Join(path, file.Name()))
+			if err != nil {
+				return nil, err
+			}
+			res = append(res, subFiles...)
+		} else {
+			res = append(res, filepath.Join(path, file.Name()))
+		}
+	}
+	return res, nil
+}
diff --git a/utils/ouo.go b/utils/ouo.go
new file mode 100644
index 0000000..aebc995
--- /dev/null
+++ b/utils/ouo.go
@@ -0,0 +1,123 @@
+package utils
+
+import (
+	"time"
+
+	"github.com/PuerkitoBio/goquery"
+	http "github.com/bogdanfinn/fhttp"
+	tlsclient "github.com/bogdanfinn/tls-client"
+	"github.com/bogdanfinn/tls-client/profiles"
+
+	"errors"
+	"fmt"
+	"io"
+	"net/url"
+	"strings"
+)
+
+func OuoBypass(ouoURL string) (string, error) {
+	tempURL := strings.Replace(ouoURL, "ouo.press", "ouo.io", 1)
+	var res string
+	u, err := url.Parse(tempURL)
+	if err != nil {
+		return "", err
+	}
+
+	id := tempURL[strings.LastIndex(tempURL, "/")+1:]
+	jar := tlsclient.NewCookieJar()
+	options := []tlsclient.HttpClientOption{
+		tlsclient.WithTimeoutSeconds(30),
+		tlsclient.WithClientProfile(profiles.Chrome_110),
+		tlsclient.WithNotFollowRedirects(),
+		tlsclient.WithCookieJar(jar),
+	}
+
+	client, err := tlsclient.NewHttpClient(tlsclient.NewNoopLogger(), options...)
+	if err != nil {
+		return "", err
+	}
+
+	getReq, err := http.NewRequest(http.MethodGet, tempURL, nil)
+	if err != nil {
+		return "", err
+	}
+
+	const chrome110UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36"
+	const accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
+	const acceptEncoding = "gzip, deflate, br, zstd"
+	const acceptLang = "de-DE,de;q=0.9,en-US;q=0.8,en;q=0.7"
+	getReq.Header = http.Header{
+		"accept":                    {accept},
+		"accept-encoding":           {acceptEncoding},
+		"accept-language":           {acceptLang},
+		"upgrade-insecure-requests": {"1"},
+		"user-agent":                {chrome110UserAgent},
+		http.HeaderOrderKey: {
+			"accept",
+			"accept-language",
+			"user-agent",
+		},
+	}
+
+	resp, err := client.Do(getReq)
+	if err != nil {
+		return "", err
+	}
+	defer func() {
+		if resp != nil && resp.Body != nil {
+			_ = resp.Body.Close()
+		}
+	}()
+	if resp.StatusCode == 403 {
+		return "", errors.New("ouo.io is blocking the request")
+	}
+	readBytes, _ := io.ReadAll(resp.Body)
+	data := url.Values{}
+	doc, _ := goquery.NewDocumentFromReader(strings.NewReader(string(readBytes)))
+	doc.Find("input").Each(func(i int, s *goquery.Selection) {
+		name, _ := s.Attr("name")
+		if strings.HasSuffix(name, "token") {
+			value, _ := s.Attr("value")
+			data.Add(name, value)
+		}
+	})
+	nextURL := fmt.Sprintf("%s://%s/go/%s", u.Scheme, u.Host, id)
+
+	recaptchaV3, err := ReCaptcha("https://www.google.com/recaptcha/api2/anchor?ar=1&k=6Lcr1ncUAAAAAH3cghg6cOTPGARa8adOf-y9zv2x&co=aHR0cHM6Ly9vdW8uaW86NDQz&hl=zh-CN&v=rKbTvxTxwcw5VqzrtN-ICwWt&size=invisible&cb=cuzyb4r7cdyg")
+	if err != nil {
+		return "", err
+	}
+	data.Set("x-token", recaptchaV3)
+	for i := 0; i < 2; i++ {
+		postReq, err := http.NewRequest(http.MethodPost, nextURL, strings.NewReader(data.Encode()))
+		if err != nil {
+			return "", err
+		}
+		postReq.Header = http.Header{
+			"accept":                    {accept},
+			"content-type":              {"application/x-www-form-urlencoded"},
+			"accept-encoding":           {acceptEncoding},
+			"accept-language":           {acceptLang},
+			"upgrade-insecure-requests": {"1"},
+			"user-agent":                {chrome110UserAgent},
+		}
+		resp, err := client.Do(postReq)
+		if err != nil {
+			time.Sleep(time.Second * 3)
+			continue
+		}
+		defer func() {
+			if resp != nil && resp.Body != nil {
+				_ = resp.Body.Close()
+			}
+		}()
+		if resp.StatusCode == 302 {
+			res = resp.Header.Get("Location")
+			break
+		} else if resp.StatusCode == 403 {
+			return "", errors.New("ouo.io is blocking the request")
+		}
+		nextURL = fmt.Sprintf("%s://%s/xreallcygo/%s", u.Scheme, u.Host, id)
+	}
+	return res, nil
+}
diff --git a/utils/privatebin.go b/utils/privatebin.go
new file mode 100644
index 0000000..a50cfaf
--- /dev/null
+++ b/utils/privatebin.go
@@ -0,0 +1,132 @@
+package utils
+
+import (
+	"bytes"
+	"compress/flate"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/sha256"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"io"
+	"strings"
+
+	"github.com/btcsuite/btcutil/base58"
+	"golang.org/x/crypto/pbkdf2"
+)
+
+type PrivateBinData struct {
+	Ct    string        `json:"ct"`
+	Adata []interface{} `json:"adata"`
+}
+
+func padStart(s string, minLength int, padRune rune) string {
+	currentLength := len(s)
+	if currentLength >= minLength {
+		return s
+	}
+	padding := strings.Repeat(string(padRune), minLength-currentLength)
+	return padding + s
+}
+
+func DecryptPrivateBin(url string, password string) (string, error) {
+	if !strings.Contains(url, "#") {
+		return "", errors.New("Missing Decrypt Key")
+	}
+	key := strings.Split(url, "#")[1]
+	resp, err := Fetch(FetchConfig{
+		Url: url,
+		Headers: map[string]string{
+			"Accept": "application/json, text/javascript, */*; q=0.01",
+		},
+	})
+	if err != nil {
+		return "", err
+	}
+	data := PrivateBinData{}
+	err = json.Unmarshal(resp.Data, &data)
+	if err != nil {
+		return "", err
+	}
+	type pasteJson struct {
+		Paste string `json:"paste"`
+	}
+	ret, err := decryptPrivateBin(key, data.Adata, data.Ct, password)
+	if err != nil {
+		return "", err
+	}
+	var j pasteJson
+	err = json.Unmarshal([]byte(ret), &j)
+	if err != nil {
+		return "", err
+	}
+	return j.Paste, nil
+}
+
+func decryptPrivateBin(key string, data []interface{}, cipherMessage, password string) (string, error) {
+	decodedKey := base58.Decode(key)
+	key = padStart(string(decodedKey), 32, '\x00')
+	additionalData, err := json.Marshal(data)
+	if err != nil {
+		return "", err
+	}
+	spec := data[0].([]interface{})
+	iterations := int(spec[2].(float64))
+	iv, err := base64.StdEncoding.DecodeString(spec[0].(string))
+	if err != nil {
+		return "", err
+	}
+	salt, err := base64.StdEncoding.DecodeString(spec[1].(string))
+	if err != nil {
+		return "", err
+	}
+	cipherMessageBytes, err := base64.StdEncoding.DecodeString(cipherMessage)
+	if err != nil {
+		return "", err
+	}
+
+	keyArray := []byte(key)
+	if password != "" {
+		if spec[7].(string) == "rawdeflate" {
+			hash := sha256.New()
+			hash.Write([]byte(password))
+			password = hex.EncodeToString(hash.Sum(nil))
+		}
+		passwordArray := []byte(password)
+		keyArray = append(keyArray, passwordArray...)
+	}
+	aesKeyLength := int(spec[3].(float64)) / 8
+	deriveKey := pbkdf2.Key(keyArray, salt, iterations, aesKeyLength, sha256.New)
+	block, err := aes.NewCipher(deriveKey)
+	if err != nil {
+		return "", err
+	}
+	aesGCM, err := cipher.NewGCMWithNonceSize(block, len(iv))
+	if err != nil {
+		return "", err
+	}
+	plaintext, err := aesGCM.Open(nil, iv, cipherMessageBytes, additionalData)
+	if err != nil {
+		return "", err
+	}
+	if len(spec) >= 8 && spec[7].(string) == "zlib" {
+		data, err := decompress(plaintext)
+		if err != nil {
+			return "", err
+		}
+		plaintext = data
+	}
+	return string(plaintext), err
+}
+
+func decompress(data []byte) ([]byte, error) {
+	r := flate.NewReader(bytes.NewReader(data))
+	defer r.Close()
+	decompressed, err := io.ReadAll(r)
+	if err != nil {
+		return nil, err
+	}
+	return decompressed, nil
+}
diff --git a/utils/reCaptcha.go b/utils/reCaptcha.go
new file mode 100644
index 0000000..e97a67a
--- /dev/null
+++ b/utils/reCaptcha.go
@@ -0,0 +1,79 @@
+package utils
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"net/url"
+
+	"regexp"
+	"strings"
+
+	http "github.com/bogdanfinn/fhttp"
+	tlsclient "github.com/bogdanfinn/tls-client"
+)
+
+func ReCaptcha(anchorUrl string) (string, error) {
+	urlBase := "https://www.google.com/recaptcha/api2/"
+
+	matches := regexp.MustCompile(`/anchor\?(.*)`).FindStringSubmatch(anchorUrl)
+	if len(matches) < 2 {
+		return "", fmt.Errorf("no matches found in ANCHOR_URL")
+	}
+	params := matches[1]
+
+	client, err := tlsclient.NewHttpClient(tlsclient.NewNoopLogger())
+	if err != nil {
+		return "", err
+	}
+	req, err := http.NewRequest(http.MethodGet, anchorUrl, nil)
+	if err != nil {
+		return "", err
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return "", errors.New("recaptcha status code is not 200")
+	}
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	tokenMatches := regexp.MustCompile(`"recaptcha-token" value="(.*?)"`).FindStringSubmatch(string(body))
+	if len(tokenMatches) < 2 {
+		return "", errors.New("no token found in response")
+	}
+	token := tokenMatches[1]
+	paramsMap, err := url.ParseQuery(params)
+	if err != nil {
+		return "", err
+	}
+	paramsMap.Set("c", token)
+	paramsMap.Set("reason", "q")
+	reloadUrl := urlBase + "reload?k=" + paramsMap.Get("k")
+	postReq, err := http.NewRequest(http.MethodPost, reloadUrl, strings.NewReader(paramsMap.Encode()))
+	if err != nil {
+		return "", err
+	}
+	postReq.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	resp, err = client.Do(postReq)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	body, err = io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	answerMatches := regexp.MustCompile(`"rresp","(.*?)"`).FindStringSubmatch(string(body))
+	if len(answerMatches) < 2 {
+		return "", fmt.Errorf("no answer found in reCaptcha response: %s", string(body))
+	}
+	return answerMatches[1], nil
+}
+
+//https://www.google.com/recaptcha/api2/anchor?ar=1&k=6Lf-ZrEUAAAAAEtmR70o2Rb9JM2QUBCH4j7EzIWX&co=aHR0cHM6Ly93d3cua2VlcGxpbmtzLm9yZzo0NDM.&hl=zh-CN&v=-80zvSY9h4i8O-ocN2P5qTJk&size=normal&cb=xm7hg2ftd5e2
diff --git a/utils/similarity.go b/utils/similarity.go
new file mode 100644
index 0000000..c215762
--- /dev/null
+++ b/utils/similarity.go
@@ -0,0 +1,72 @@
+package utils
+
+import "strings"
+
+func min(a, b, c int) int {
+	if a < b {
+		if a < c {
+			return a
+		}
+		return c
+	}
+	if b < c {
+		return b
+	}
+	return c
+}
+
+func LevenshteinDistance(str1, str2 string) int {
+	str1 = strings.ToLower(str1)
+	str2 = strings.ToLower(str2)
+	s1, s2 := []rune(str1), []rune(str2)
+	lenS1, lenS2 := len(s1), len(s2)
+	if lenS1 == 0 {
+		return lenS2
+	}
+	if lenS2 == 0 {
+		return lenS1
+	}
+
+	d := make([][]int, lenS1+1)
+	for i := range d {
+		d[i] = make([]int, lenS2+1)
+	}
+
+	for i := 0; i <= lenS1; i++ {
+		d[i][0] = i
+	}
+	for j := 0; j <= lenS2; j++ {
+		d[0][j] = j
+	}
+
+	for i := 1; i <= lenS1; i++ {
+		for j := 1; j <= lenS2; j++ {
+			cost := 0
+			if s1[i-1] != s2[j-1] {
+				cost = 1
+			}
+			d[i][j] = min(d[i-1][j]+1, d[i][j-1]+1, d[i-1][j-1]+cost)
+		}
+	}
+
+	return d[lenS1][lenS2]
+}
+
+func Similarity(str1, str2 string) float64 {
+	str1 = strings.ReplaceAll(str1, " ", "")
+	str2 = strings.ReplaceAll(str2, " ", "")
+	distance := LevenshteinDistance(str1, str2)
+	maxLength := len(str1)
+	if len(str2) > maxLength {
+		maxLength = len(str2)
+	}
+
+	djustedMaxLength := maxLength + (len(str1) + len(str2))
+
+	if maxLength == 0 {
+		return 1.0
+	}
+
+	similarity := 1.0 - float64(distance)/float64(djustedMaxLength)
+	return similarity
+}
diff --git a/utils/unique.go b/utils/unique.go
new file mode 100644
index 0000000..81553b9
--- /dev/null
+++ b/utils/unique.go
@@ -0,0 +1,15 @@
+package utils
+
+func Unique[T comparable](slice []T) []T {
+	seen := make(map[T]struct{})
+	var result []T
+
+	for _, v := range slice {
+		if _, ok := seen[v]; !ok {
+			seen[v] = struct{}{}
+			result = append(result, v)
+		}
+	}
+
+	return result
+}