feature: 修复报错问题

pages/index/index.js

@@ -170,10 +170,7 @@ Page({
     // that.actionDevice();
   },
 
-  onShow() {
-    var that = this;
-    that.onBannerShow();
-  },
+  onShow() {},
 
   onLoginLoad() {
     var that = this;