API：https://api.weixin.qq.com/cgi-bin/express/delivery/open_msg/follow_waybill?access_token=XXX

API名称：物流消息传运单接口 follow_waybill

接口返回

{"errcode":-1,"errmsg":"system error detail: [未知异常，请稍后重试] rid: 64254aac-5d5bb128-5d8aa557"}