diff --git a/public/javascripts/wechat/controllers/join_classgroup.js b/public/javascripts/wechat/controllers/join_classgroup.js
index 4812ca767..a63744e3c 100644
--- a/public/javascripts/wechat/controllers/join_classgroup.js
+++ b/public/javascripts/wechat/controllers/join_classgroup.js
@@ -43,7 +43,8 @@ app.controller('JoinClassGroupController', ['$scope', '$http', 'auth', 'config',
 
 
     vm.cancel = function(){
-        $location.path("/class").search({id: course_id,tag:1});
+        rms.save('syllabuses',[]);
+        $location.path("/class_list");
     };
 
     vm.confirm = function(){
@@ -66,10 +67,12 @@ app.controller('JoinClassGroupController', ['$scope', '$http', 'auth', 'config',
             console.log(response);
             if(response.data.status == 0){
                 vm.alertService.showMessage('提示', "选择分班成功!",function(){
+                    rms.save('syllabuses',[]);
                     $location.path("/class_list");
                 });
             } else {
                 vm.alertService.showMessage('提示', response.data.message,function(){
+                    rms.save('syllabuses',[]);
                     $location.path("/class_list");
                 });
             }