https://developers.weixin.qq.com/doc/offiaccount/Asset_Management/Getting_Permanent_Assets.html

通过batchget_material接口获取出来的所有的素材列表, 在其中拿出media_id调用get_material接口报错: {"errcode":40007,"errmsg":"invalid media_id hint: [mnbKUa05358677] rid: 610df87f-172807ab-1d959940"}