diff --git a/exchange.html b/exchange.html
index 7279080..f7935ef 100644
--- a/exchange.html
+++ b/exchange.html
@@ -28,7 +28,7 @@
   </script>
   <script src="https://lsxdemall.oss-cn-beijing.aliyuncs.com/siteqiexchange/js/swiper.min.js"></script>
   <link href="https://lsxdemall.oss-cn-beijing.aliyuncs.com/siteqiexchange/css/swiper.min.css" rel="stylesheet">
-  <link rel="stylesheet" href="./homepage2_0.css">
+  <link rel="stylesheet" href="https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/css/homepage2_0.css?v=2">
   <script src="https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/js/api2_0.js"></script>
 </head>