https://api.weixin.qq.com/shop/complaint/upload_material?access_token=

请求参数：

{"complaint_order_id":"4503599627373556","material_info":{"media_url_list":["https://mmecimage.cn/p/wxf505422de5e0133d/HIQwH7ocxypbXg2YOrfPX9Lg1sdQhSgmzij1gyLAb6g"],"content":"顺丰到付"}}

调用的结果：

]java.io.EOFException: source exhausted prematurely