diff --git a/README-zh_CN.md b/README-zh_CN.md
index 699fdc476..db1e8beab 100644
--- a/README-zh_CN.md
+++ b/README-zh_CN.md
@@ -30,7 +30,7 @@
 </p>
 
 ## 🟢 扫描微信进群交流
-<img src="https://openim-1253691595.cos.ap-nanjing.myqcloud.com/WechatIMG20.jpeg" width="200">
+<img src="https://openim-1253691595.cos.ap-nanjing.myqcloud.com/WechatIMG20.jpeg" width="300">
 
 
 ## Ⓜ️ 关于 OpenIM