diff --git a/README_zh.md b/README_zh.md
index ec83554..a20af1a 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -170,7 +170,7 @@
 
 MacOS_Mojave主题桌面截图
 
-![macos](./images/macos1s.png)
+![macos](./images/macos1s.jpg)
 
 无桌面加强版Web管理界面