diff --git a/README.md b/README.md
index 5a9de13577d775dd7f36d7b0738de3eea6e5730a..f776680ad67535de872543bfade90680ce7d93b2 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,6 @@
 
 扫码加入微信交流群：
 
-<p align="center">
-    <img src="http://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/wx-barcode.png" width="200"/>
+<p>
+    <img src="http://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/wx-barcode.png" width="250"/>
 </p>