diff --git a/public/stylesheets/css/edu-user.css b/public/stylesheets/css/edu-user.css
index 7317cacce..2c8b0c768 100644
--- a/public/stylesheets/css/edu-user.css
+++ b/public/stylesheets/css/edu-user.css
@@ -97,7 +97,8 @@
 .-task-con-int .passageway .hascon .train p .last:hover{color:#5faee3;}
 .-task-con-int .passageway .hascon .train p .last:hover .blue{color:#5faee3;}
 
-.-task-con-int .passageway .hascon .expand{display:block;;height:70px;line-height:70px;text-align:center;background:#aaa;color:#fff;}
+.-task-con-int .passageway .hascon .expand{display:block;;height:70px;line-height:70px;text-align:center;color:#5faee3;}
+.-task-con-int .passageway .hascon .expand:hover{ color:#5faee3;}
 /*--------------------------------------箭头动画效果-----------------------------------*/
 .-task-con-int  .passageway .hint .zhuan{