WebUploader UEditor chrome 点击上传文件选择框会延迟几秒才会显示 反应很慢

accept: {
title: 'Images',
extensions: 'jpg,jpeg,png',
//mimeTypes: 'image/*' //修改此行为具体类型，如下
mimeTypes: 'image/jpg,image/jpeg,image/png,image/gif,image/bmp' //修改这行
}