diff --git a/template/oj/problem/problem_list.html b/template/oj/problem/problem_list.html
index 012f5d2..2909e20 100644
--- a/template/oj/problem/problem_list.html
+++ b/template/oj/problem/problem_list.html
@@ -1,7 +1,7 @@
 {% extends "oj_base.html" %}
 {% block body %}
     {% load problem %}
-    <div class="container main" ms-controller="problem_list">
+    <div class="container main">
         <div class="row">
             <div class="col-lg-9">
                 <div class="row">