解决WebUploader在谷歌浏览器中反应缓慢迟钝

修改  初始化webuploader的 js 

  accept: null/*{
       title: 'Images',
       extensions: 'gif,jpg,jpeg,bmp,png',
       mimeTypes: 'image/*'
  }*/

 改为

accept: {
  title: 'Images',
  extensions: 'jpg,jpeg,png',
  mimeTypes: 'image/jpg,image/jpeg,image/png'   //修改成这样