♻️ Refactor code

🔥 Remove update detection

common/random_string.go

@@ -0,0 +1,13 @@
+package common
+
+import "math/rand"
+
+func RandomString(length int) string {
+	// 生成随机字符串
+	const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+	var result []byte
+	for i := 0; i < length; i++ {
+		result = append(result, charset[rand.Intn(len(charset))])
+	}
+	return string(result)
+}