Update wechat.md

LDLINGLINGLING · web-flow · commit fda569ae2af1 · 2024-08-07T12:31:11.000+08:00
diff --git a/docs/wechat.md b/docs/wechat.md
@@ -1,5 +1,5 @@
 <div align="center">
-<img src="../assets/minicpmv23.png" width="60%"/>
+<img src="../assets/minicpm-v23.png" width="60%"/>
 
 <p> 扫码加入「MiniCPM-V 交流群」 </p>
 <p> Scan the QR code to join the "MiniCPM-V Discussion Group" </p>
