Update README.md (#2)

- Update README.md (c30437d59322c21c91ed7f2b1d6bc244e121face)


Co-authored-by: hu <hujb@users.noreply.huggingface.co>

README.md

@@ -168,7 +168,7 @@ You’re welcome to join our WeChat group for technical discussions, updates.
       <!-- : <strong>Tiamo James</strong></em> -->
   <br>
   <span style="display: inline-block; margin-right: 10px;">
-    <img src="assets/wechat.png" width="300" alt="WeChat Group QR Code"/>
+    <img src="assets/wechat.jpg" width="300" alt="WeChat Group QR Code"/>
   </span>
   <!-- <span style="display: inline-block;">
     <img src="assets/wechat_tiamo.jpg" width="300" alt="WeChat QR Code"/>