diff --git a/docs/public/group.jpg b/docs/public/group.jpg
new file mode 100644
index 00000000..16b72e84
Binary files /dev/null and b/docs/public/group.jpg differ
diff --git a/docs/public/group.png b/docs/public/group.png
deleted file mode 100644
index af5b92a7..00000000
Binary files a/docs/public/group.png and /dev/null differ
diff --git a/src/__docs__/contact-me/index.zh-CN.md b/src/__docs__/contact-me/index.zh-CN.md
index cd9eb5b6..bccd7a05 100644
--- a/src/__docs__/contact-me/index.zh-CN.md
+++ b/src/__docs__/contact-me/index.zh-CN.md
@@ -9,7 +9,7 @@ map:
 
 > 如微信群二维码失效，请添加我的微信，我会拉您进群。
 
-<img src="/group.png" width="300" style="margin-bottom: 30px">
+<img src="/group.jpg" width="300" style="margin-bottom: 30px">
 
 
 <img src="/wechat.png" width="300">