diff --git a/pdf_convertor_prompt.md b/pdf_convertor_prompt.md
index 120812f..a9538af 100644
--- a/pdf_convertor_prompt.md
+++ b/pdf_convertor_prompt.md
@@ -8,22 +8,36 @@ Examine the Markdown text and remove any conversion artifacts or strange formatt
 
 ## 2. Explain Image Content
 
-For image references that **already exist** in the original Markdown (format: `![...](...)`), refer to the corresponding charts, diagrams, and images in the PDF, and add detailed descriptions after each image reference.
+**Critical: Match image names to image content correctly**
+
+You will receive:
+
+- Original Markdown text with image references (e.g., `![Image](images/0.png)`)
+- Individual images labeled with their exact filenames (e.g., "This is image: 'images/0.png'")
+- The original PDF for reference
 
 **Processing rules:**
 
-- Only process existing image references - never create new ones
-- Keep the image path (inside parentheses) completely unchanged
-- You may modify the description text (inside square brackets) to be more descriptive
-- If images exist in the PDF but have no corresponding Markdown reference, ignore them
-- Add a blank line after the image reference for proper formatting
+- For each image reference in the Markdown (e.g., `![Image](images/0.png)`), find the EXACT matching image that was provided with that specific filename
+- ONLY describe the content of the image that matches the filename in the Markdown reference
+- DO NOT use images from the PDF to describe a different numbered image reference
+- If the Markdown shows `![Image](images/0.png)`, you MUST describe ONLY the image labeled "This is image: 'images/0.png'" or "This is image: '0.png'"
+- Keep image paths unchanged - only modify the description text in square brackets if needed
+- Add a detailed explanation after each image reference
+
+Example workflow:
+
+1. You see in Markdown: `![Image](images/5.png)`
+2. You find the provided image labeled: "This is image: 'images/5.png'" or "This is image: '5.png'"
+3. You describe ONLY that specific image content
+4. You add explanation after that specific reference
 
 Example format:
 
 ```markdown
-![Brief image description](./images/0.png)
+![Namespace isolation diagram](./images/5.png)
 
-A detailed explanation of the image, detailed enough to replace the image and help readers understand the content.
+This diagram illustrates how namespace isolation works in containerization. It shows... [describe the ACTUAL content of the image labeled as 'images/5.png' or '5.png']
 ```
 
 ## 3. Correct List Formatting
@@ -131,3 +145,4 @@ Translate the content into Simplified Chinese. Retain original English names for
 - Do not use JSON format or wrap output in code blocks (` ``` `)
 - Verify that heading structure (Rule 5) has been properly adjusted
 - Ensure all image references exist in the original input with unchanged paths
+- **Critical: Verify each image explanation matches its corresponding filename from the provided images**