请求地址：https://api.weixin.qq.com/retail/B2b/retailuploadm

请求：{"file":"/9j/4AAQSkZJRgABAQAAAQABA....","file_name":"E:\\Helipay\\pic\\E1800004709.jpg"}

响应：{"errcode":-1,"errmsg":"system error detail:[系统错误，请稍后重试] rid: 67ac4baf-77cd0a7b-3eaf2909"}