https://api.weixin.qq.com/cgi-bin/media/get? 偶尔下载回来的图片有4M多，mediaId：KimKK2T-4lOMFAqfsdQSQtClb2csYiVLjIhqGpGNzmbcvQrSs83fhKDtCaltZAGc

https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/Get_access_token.html [图片] 此时还没有刷新token，为什么老的token不能使用了 86_y0dOYjVaE1aQoinEWQcU_j_Dm43e7h_Hot12r6fC-xsxhSJIjAWaq4NbgJWnU9UoXz_-O_Cf-elV-p0Dsz8z6vG0Cyq9uogMqLKs_91U5Ut463ULUnqhAEm0UrAPTOjACAVZU {"errcode":40001,"errmsg":"invalid credential, access_token is invalid or not latest, could get access_token by getStableAccessToken, more details at https://mmbizurl.cn/s/JtxxFh33r rid: 6743d9e2-0a7a442c-73090267"}