diff --git a/README.md b/README.md
index f4ccddd..00cc635 100644
--- a/README.md
+++ b/README.md
@@ -13,4 +13,4 @@ QMUI Web Desktop 支持 macOS 与 Windows 平台。
 下载：[Github Release 下载](https://github.com/QMUI/qmui_web_desktop/releases)或[官网下载](http://qmuiteam.com/web/index.html#downloadDirect)
 
 ## 界面预览
-<img src="https://raw.githubusercontent.com/QMUI/qmuidemo_web/master/public/style/images/independent/App.gif" width="484" alt="QMUI Web Desktop 效果图" />
+<img src="https://raw.githubusercontent.com/QMUI/qmuidemo_web/master/public/style/images/independent/App.gif" width="516" alt="QMUI Web Desktop 效果图" />