diff --git a/README_cn.md b/README_cn.md
index 420656361f4f0fdb48771de91e5b7ae94a39e6ef..0c0dc4b2a41a2a2d1927798908e9f681f9bce773 100644
--- a/README_cn.md
+++ b/README_cn.md
@@ -139,7 +139,7 @@ from https://github.com/18F/open-source-guide/blob/18f-pages/pages/making-readme
 欢迎加入以下微信群，直接和 PaddleSpeech 团队成员进行交流！
 
 <div align="center">
-<img src="./docs/images/wechat_group.png"  width = "200"  />
+<img src="./docs/images/wechat_group.png"  width = "400"  />
 
 </div>