diff --git a/public/javascripts/wechat/app.js b/public/javascripts/wechat/app.js
index 5dc1e90fd..a2351b367 100644
--- a/public/javascripts/wechat/app.js
+++ b/public/javascripts/wechat/app.js
@@ -67,7 +67,7 @@ app.factory('rms', function(){
     return {save: save, get: get};
 });
 
-app.controller('ActivityController',function($anchorScroll, $location,$scope, $http, $document,$window, auth, rms, common){
+app.controller('ActivityController',function($anchorScroll, $location,$scope, $http, auth, rms, common){
     $scope.replaceUrl = function(url){
         return url;
     };
@@ -80,7 +80,7 @@ app.controller('ActivityController',function($anchorScroll, $location,$scope, $h
     if($scope.activities.length>0){
 
         $timeout(function () {
-            $window.scroll(0,rms.get("yoffset"));
+            window.scroll(0,rms.get("yoffset"));
         });
 
 
@@ -135,7 +135,7 @@ app.controller('ActivityController',function($anchorScroll, $location,$scope, $h
 
     //跳到详情页
     $scope.goDetail = function(type, act_id,id){
-        rms.save("yoffset", $document.body.scrollHeight);
+        rms.save("yoffset", window.document.body.scrollHeight);
         $location.path('/'+type+'/'+act_id);
     }