diff --git a/public/stylesheets/educoder/edu-main.css b/public/stylesheets/educoder/edu-main.css
index 18fc832e..33059917 100644
--- a/public/stylesheets/educoder/edu-main.css
+++ b/public/stylesheets/educoder/edu-main.css
@@ -582,6 +582,7 @@ a.user_greybg_btn{background-color:#747A7F;color: #fff;}
     /*list-style-type: disc!important;*/
     /*list-style-type: decimal!important;*/
     /*margin-bottom: 0!important;*/
+    list-style-type: none !important;
 }
 /*搜索框*/
 #pollingPanel{position: relative;width: 248px;height: 32px;}