diff --git a/pages/index/index/index.js b/pages/index/index/index.js
index 180b8d5..ef632a6 100644
--- a/pages/index/index/index.js
+++ b/pages/index/index/index.js
@@ -453,18 +453,15 @@ Page({
       }
     }, 1500)
 
-
       setTimeout(function () {
           const query = wx.createSelectorQuery();
           query.select('#off_top').boundingClientRect();
           query.exec((res) => {
-              if(res && res[0].height>0){
+              if(res && res[0] && res[0].height>0){
                  th.setData({is_ok_h5:1});
               }
           })
-      },2000);
-
-
+      },3600);
 
   },
   //当隐藏的时候就关闭计时器