加入分班时选择暂无返回班级列表刷新

public/javascripts/wechat/controllers/join_classgroup.js

@@ -54,6 +54,7 @@ app.controller('JoinClassGroupController', ['$scope', '$http', 'auth', 'config',
         }
 
         if(vm.selectid == 0){
+            rms.save('syllabuses',[]);
             $location.path("/class_list");
             return;
         }