升级提示

-let $ = require('yoho-jquery');
+let $ = require('yoho-jquery'),
+    yoho = require('yoho-app');
 
 // $('body').height($(window).height());
 // $('.app-update').height($(window).height()).width($(window).width());
 
+if (yoho.isApp) {
+    $('button').hide();
+}
+
 $('button').on('click', function() {
     window.location = 'http://www.yohoshow.com/about/index/yohobuyqr';
 });