diff --git a/css/style.css b/css/style.css
index 80d52b2..2febcd0 100644
--- a/css/style.css
+++ b/css/style.css
@@ -5,7 +5,7 @@ li{ list-style: none; float: left}
 a{ text-decoration: none}
 <!-- 注意！为了优化演示站访问速度下方引用的是CDN上的背景图片文件地址，请修改为自己的背景图片文件地址 -->
 body {	
-    background-image: url(https://i.loli.net/2021/08/30/cZdF1VRga8nT2fU.jpg);
+    background-image: url(https://cdn.jsdelivr.net/gh/appexplore/jianavi/img/01.jpg);
 	background-size: cover;
 	background-repeat: no-repeat;
 	background-attachment: fixed;