Update README.md

Author: yushulx

examples/official/comparison_tool/README.md

@@ -1,7 +1,9 @@
-# Dynamsoft SDK Version Comparison Tool
+# Version Comparison Tool for Dynamsoft Python Barcode SDK  
 
 This comparison tool allows you to compare 1D/2D barcode detection performance between different versions of the Dynamsoft Capture Vision SDK. The tool provides a comprehensive graphical interface with side-by-side visual comparisons, detailed results analysis, and performance metrics.
 
+https://github.com/user-attachments/assets/b69ab922-1cf4-4385-b61f-3988c1147296
+
 ## Features
 
 ### 🔍 **Dynamic SDK Configuration**
@@ -52,4 +54,4 @@ pip install dynamsoft-capture-vision-bundle==3.0.6000
 python sdk_comparison.py
 ```
 
-![version comparison tool](https://www.dynamsoft.com/codepool/img/2025/09/python-sdk-comparison-tool.png)
+![version comparison tool](https://www.dynamsoft.com/codepool/img/2025/09/python-sdk-comparison-tool.png)