diff --git a/WebRoot/WEB-INF/jsp/sunvote/homework/homework_list.jsp b/WebRoot/WEB-INF/jsp/sunvote/homework/homework_list.jsp
index b44915c..e5fc527 100644
--- a/WebRoot/WEB-INF/jsp/sunvote/homework/homework_list.jsp
+++ b/WebRoot/WEB-INF/jsp/sunvote/homework/homework_list.jsp
@@ -19,7 +19,7 @@
 <!-- 日期框 -->
 <link rel="stylesheet" href="static/ace/css/datepicker.css" />
 <link
-	href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css"
+	href="static/css/bootstrap.min.css"
 	rel="stylesheet">
 <link href="static/css/teach.css" rel="stylesheet">
 </head>