diff --git a/public/javascripts/wechat/app.js b/public/javascripts/wechat/app.js
index 06a1d86d9..0fceed85f 100644
--- a/public/javascripts/wechat/app.js
+++ b/public/javascripts/wechat/app.js
@@ -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", window.document.body.scrollHeight);
+        rms.save("yoffset", window.document.body.scrollTop);
         $location.path('/'+type+'/'+act_id);
     }