Update README.md

README.md

@@ -174,7 +174,7 @@ Only a subset of the dataset is publicly available here. If you need **full acce
 
 - **For Chinese users:** Scan the QR code below to contact us via WeChat, and include in the remarks the name of your organization, your name, and the main purpose.   
 
-<img src="https://github.com/ChingmuData/MotionDecode/raw/refs/heads/main/assets/vxcode.jpg" width="30%" alt="alt text">
+<img src="https://github.com/ChingmuData/MotionDecode/raw/refs/heads/main/assets/wxcode.jpg" width="30%" alt="alt text">
 
 **For international users:** Join our Discord community