Update README_cn.md

chencyudel · web-flow · commit 69794312ef7c · 2024-10-17T12:10:15.000+08:00
diff --git a/README_cn.md b/README_cn.md
@@ -192,4 +192,4 @@ sh init_env.sh
 **社招**：https://talent.antgroup.com/off-campus-position?positionId=1933830
 
 ## 联系我们
-![img_wx.jpg](./assets/CodeFuse-AI群.jpg)
+![img_wx.png](./assets/CodeFuse-AI群.png)
