diff --git a/public/javascripts/wechat/controllers/class.js b/public/javascripts/wechat/controllers/class.js
index a32c581c9..1e03277a2 100644
--- a/public/javascripts/wechat/controllers/class.js
+++ b/public/javascripts/wechat/controllers/class.js
@@ -1,182 +1,185 @@
-app.controller('ClassController', ['$scope', 'config','$http', 'auth','$location','$routeParams','alertService','rms','common', function($scope, config, $http, auth, $location, $routeParams,alertService,rms,common){
-    common.checkLogin();
-
-    var vm = $scope;
-    var courseid = $routeParams.id;
-    var tag = $routeParams.tag;
-
-
-    var getUsers = function(){
-        if(vm.teachers.length<=0){
-            $http.get(config.apiUrl + 'courses/teachers?token='+auth.token()+'&course_id='+courseid).then(
-                function(response) {
-                    console.log(response.data);
-                    vm.teachers = response.data.data;
-                }
-            )
-        }
-
-        if(vm.course.is_creator){
-            if(vm.reviewers.length<=0){
-                $http.get(config.apiUrl + 'courses/reviewers?token='+auth.token()+'&course_id='+courseid).then(
-                    function(response) {
-                        console.log(response.data);
-                        vm.reviewers = response.data.data;
-                    }
-                )
-            }
-        }
-
-        if(vm.students.length<=0){
-            $http.get(config.apiUrl + 'courses/students?token='+auth.token()+'&course_id='+courseid).then(
-                function(response) {
-                    console.log(response.data);
-                    vm.students = response.data.data;
-                }
-            )
-        }
-    }
-
-    var getResources = function(){
-        if(vm.resources.length<=0){
-            $http.post(config.apiUrl + "courses/"+courseid+"/attachments",
-                {token: auth.token(), name: ''}
-            ).then(function(response){
-                vm.resources = response.data.data;
-                vm.resources_tag = true;
-            });
-        }
-    }
-
-    var getHomeworks = function(){
-        if(vm.homeworks.length <=0){
-            $http.get(config.apiUrl + "courses/homeworks/"+courseid+"?token="+auth.token()).then(function(response){
-                vm.homeworks = response.data.data;
-                console.log(response.data);
-                vm.homeworks_tag = true;
-            });
-        }
-    }
-
-    var getExercises = function(){
-        if(vm.exercises.length <=0){
-            $http.get(config.apiUrl + "courses/"+courseid+"/exercises?token="+auth.token()).then(function(response){
-                vm.exercises = response.data.data;
-                console.log(response.data);
-                vm.exercises_tag = true;
-            });
-        }
-    }
-
-
-    vm.isTeacher = false;
-    vm.currentTab = 1;
-    vm.tab = function(index){
-       vm.currentTab = index;
-       vm.searchText = '';
-
-        vm.showClassMate = false;
-        vm.showResources = false;
-        vm.showHomework = false;
-        vm.showTestcase = false;
-        vm.resources_tag = false;
-        vm.homeworks_tag = false;
-        vm.exercises_tag = false;
-
-        if(vm.isTeacher){
-            if(index == 1){ //课件
-                getResources();
-                vm.showResources = true;
-            } else if(index==2){ //作业
-                getHomeworks();
-                vm.showHomework = true;
-            } else if(index==3){ //小测验
-                getExercises();
-                vm.showTestcase = true;
-            } else if(index==4){ //学生管理
-                getUsers();
-                vm.showClassMate = true;
-            }
-
-        } else {
-            if(index == 2){
-                getUsers();
-                vm.showClassMate = true;
-            } else if(index==1){
-                getResources();
-                vm.showResources = true;
-            }
-        }
-    }
-
-    vm.course = {};
-    vm.students = [];
-    vm.teachers = [];
-    vm.reviewers = [];   //待审批
-    vm.resources = [];
-    vm.homeworks = [];
-    vm.exercises = [];
-
-    //发送类别 1课件 2作业 3测验
-    vm.myresource_sendIndex = rms.get('myresource_sendIndex') || 1;
-
-    vm.alertService = alertService.create();
-    
-    vm.invite = function(){
-       $location.path("/invite_code").search({id: courseid}); 
-    };
-
-    vm.sendFile = function(r,index){
-        vm.myresource_sendIndex = index;
-        rms.save('myresource_sendIndex',index);
-        $location.path("/send_class_list").search({id: r.id});
-    }
-
-    $http.get(config.apiUrl+ 'courses/'+courseid+"?token="+auth.token()).then(
-        function(response) {
-            console.log(response.data);
-
-            if (response.data.status == 0){
-                vm.course = response.data.data;
-                resetMenu(vm.course.current_user_is_teacher);
-                if(tag){
-                    vm.tab(4);
-                    tag = null;
-                }
-                else{
-                    vm.tab(1);
-                }
-            }
-            else{
-                vm.alertService.showMessage('提示', response.data.message);
-            }
-
-        }
-    );
-
-
-    var resetMenu = function(is_teacher){
-        vm.isTeacher = is_teacher;
-        if(is_teacher){
-            vm.menus = ["课件", "作业", "测验", "成员管理"];
-        } else {
-            vm.menus = ['课件', "我的同学"];
-        }
-
-    }
-
-    vm.onSetting = function(user){
-        rms.save('current_edit_member', user);
-        $location.path("/edit_class_member").search({id: courseid,user_id: user.id});
-    };
-
-    vm.review = function(user){
-        rms.save('current_review_member', user);
-        rms.save('current_course', vm.course);
-
-        $location.path("/review_class_member").search({id: courseid,user_id: user.id});
-    }
-
-
-
+app.controller('ClassController', ['$scope', 'config','$http', 'auth','$location','$routeParams','alertService','rms','common', function($scope, config, $http, auth, $location, $routeParams,alertService,rms,common){
+    common.checkLogin();
+
+    var vm = $scope;
+    var courseid = $routeParams.id;
+    var tag = $routeParams.tag;
+
+
+    var getUsers = function(){
+        if(vm.teachers.length<=0){
+            $http.get(config.apiUrl + 'courses/teachers?token='+auth.token()+'&course_id='+courseid).then(
+                function(response) {
+                    console.log(response.data);
+                    vm.teachers = response.data.data;
+                }
+            )
+        }
+
+        if(vm.course.is_creator){
+            if(vm.reviewers.length<=0){
+                $http.get(config.apiUrl + 'courses/reviewers?token='+auth.token()+'&course_id='+courseid).then(
+                    function(response) {
+                        console.log(response.data);
+                        vm.reviewers = response.data.data;
+                    }
+                )
+            }
+        }
+
+        if(vm.students.length<=0){
+            $http.get(config.apiUrl + 'courses/students?token='+auth.token()+'&course_id='+courseid).then(
+                function(response) {
+                    console.log(response.data);
+                    vm.students = response.data.data;
+                }
+            )
+        }
+    }
+
+    var getResources = function(){
+        if(vm.resources.length<=0){
+            $http.post(config.apiUrl + "courses/"+courseid+"/attachments",
+                {token: auth.token(), name: ''}
+            ).then(function(response){
+                vm.resources = response.data.data;
+                vm.resources_tag = true;
+            });
+        }
+    }
+
+    var getHomeworks = function(){
+        if(vm.homeworks.length <=0){
+            $http.get(config.apiUrl + "courses/homeworks/"+courseid+"?token="+auth.token()).then(function(response){
+                vm.homeworks = response.data.data;
+                console.log(response.data);
+                vm.homeworks_tag = true;
+            });
+        }
+    }
+
+    var getExercises = function(){
+        if(vm.exercises.length <=0){
+            $http.get(config.apiUrl + "courses/"+courseid+"/exercises?token="+auth.token()).then(function(response){
+                vm.exercises = response.data.data;
+                console.log(response.data);
+                vm.exercises_tag = true;
+            });
+        }
+    }
+
+
+    vm.isTeacher = false;
+    vm.currentTab = 1;
+    vm.tab = function(index){
+       vm.currentTab = index;
+       vm.searchText = '';
+
+        vm.showClassMate = false;
+        vm.showResources = false;
+        vm.showHomework = false;
+        vm.showTestcase = false;
+        vm.resources_tag = false;
+        vm.homeworks_tag = false;
+        vm.exercises_tag = false;
+
+        if(vm.isTeacher){
+            if(index == 1){ //课件
+                getResources();
+                vm.showResources = true;
+            } else if(index==2){ //作业
+                getHomeworks();
+                vm.showHomework = true;
+            } else if(index==3){ //小测验
+                getExercises();
+                vm.showTestcase = true;
+            } else if(index==4){ //学生管理
+                getUsers();
+                vm.showClassMate = true;
+            }
+
+        } else {
+            if(index == 2){
+                getUsers();
+                vm.showClassMate = true;
+            } else if(index==1){
+                getResources();
+                vm.showResources = true;
+            }
+        }
+        rms.save("tab_num",index);
+    }
+
+    vm.tabRecord = rms.get('tab_num') || 1;
+
+    vm.course = {};
+    vm.students = [];
+    vm.teachers = [];
+    vm.reviewers = [];   //待审批
+    vm.resources = [];
+    vm.homeworks = [];
+    vm.exercises = [];
+
+    //发送类别 1课件 2作业 3测验
+    vm.myresource_sendIndex = rms.get('myresource_sendIndex') || 1;
+
+    vm.alertService = alertService.create();
+    
+    vm.invite = function(){
+       $location.path("/invite_code").search({id: courseid}); 
+    };
+
+    vm.sendFile = function(r,index){
+        vm.myresource_sendIndex = index;
+        rms.save('myresource_sendIndex',index);
+        $location.path("/send_class_list").search({id: r.id});
+    }
+
+    $http.get(config.apiUrl+ 'courses/'+courseid+"?token="+auth.token()).then(
+        function(response) {
+            console.log(response.data);
+
+            if (response.data.status == 0){
+                vm.course = response.data.data;
+                resetMenu(vm.course.current_user_is_teacher,vm.tabRecord);
+                if(tag){
+                    vm.tab(4);
+                    tag = null;
+                }
+                else{
+                    vm.tab(vm.tabRecord);
+                }
+            }
+            else{
+                vm.alertService.showMessage('提示', response.data.message);
+            }
+
+        }
+    );
+
+
+    var resetMenu = function(is_teacher){
+        vm.isTeacher = is_teacher;
+        if(is_teacher){
+            vm.menus = ["课件", "作业", "测验", "成员管理"];
+        } else {
+            vm.menus = ['课件', "我的同学"];
+        }
+
+    }
+
+    vm.onSetting = function(user){
+        rms.save('current_edit_member', user);
+        $location.path("/edit_class_member").search({id: courseid,user_id: user.id});
+    };
+
+    vm.review = function(user){
+        rms.save('current_review_member', user);
+        rms.save('current_course', vm.course);
+
+        $location.path("/review_class_member").search({id: courseid,user_id: user.id});
+    }
+
+
+
 }]);
\ No newline at end of file