diff --git a/public/react/src/modules/courses/css/Courses.css b/public/react/src/modules/courses/css/Courses.css
index f79800f28..8720dd860 100644
--- a/public/react/src/modules/courses/css/Courses.css
+++ b/public/react/src/modules/courses/css/Courses.css
@@ -849,31 +849,31 @@ a.white-btn.use_scope-btn:hover{
 .edu-filter-btn-028d01{
     /*border: 1px solid #ff6800;*/
     /*color: #ff6800!important;*/
-    background: #028d01;
+    background: #028d01 !important;
 }
 .edu-filter-btn-CC317C{
-    background:#CC317C;
+    background:#CC317C !important;
 }
 .edu-filter-btn-006B75{
-    background:#006B75;
+    background:#006B75 !important;
 }
 .edu-filter-btn-E99695{
-    background:#E99695;
+    background:#E99695 !important;
 }
 .edu-filter-btn-EDEDED{
-    background:#EDEDED;
+    background:#EDEDED !important;
 }
 .edu-filter-btn-4CACFF{
-    background:#4CACFF;
+    background:#4CACFF !important;
 }
 .edu-filter-btn-84B6EB{
-    background:#84B6EB;
+    background:#84B6EB !important;
 }
 .edu-filter-btn-5E5FB9{
-    background:#5E5FB9;
+    background:#5E5FB9 !important;
 }
 .edu-filter-btn-FC2B6A{
-    background:#FC2B6A;
+    background:#FC2B6A !important;
 }
 .color666666{
     color:#666666 !important;
diff --git a/public/stylesheets/educoder/edu-main.css b/public/stylesheets/educoder/edu-main.css
index c5883692c..074c4ed89 100644
--- a/public/stylesheets/educoder/edu-main.css
+++ b/public/stylesheets/educoder/edu-main.css
@@ -727,7 +727,7 @@ html>body #ajax-indicator { position: fixed; }
 .btn-cir-grey{background: #e1e1e1;color: #8c8c8c;font-weight: normal;border: 1px solid #e1e1e1}
 
 /*动态标签*/
-.edu-filter-btn{cursor: default;display: inline-block; padding:0px 9px; color:#666; text-align: center; border-radius:10px; font-size:12px; height:18px; line-height:18px;}
+.edu-filter-btn{cursor: default;display: inline-block; padding:0px 9px; color:#666; background:#fff; text-align: center; border-radius:10px; font-size:12px; height:18px; line-height:18px;}
 .edu-filter-btn-blue{border:1px solid #3498db; color:#3498db;}
 .edu-filter-btn-orange{border:1px solid #ff6800; color:#ff6800!important;}/*提交中、评阅中*/
 .edu-filter-btn-red{border:1px solid #DD1717; color:#DD1717;}/*已截止、未开启补交*/