1.小程序按要求完成授权

2.代小程序上传审核素材

3.代小程序修改头像，参数如下

接口地址：https://api.weixin.qq.com/cgi-bin/account/modifyheadimage?access_token=小程序的accesstoken

{

"head_img_media_id": "3f9eM5N9bxI3TjLb7KMAxi5wf4LfWLHq8JOj0sffS-poWF-8c2yVZREaGKOZksa4pooWaeulzoMjkf1DokU2Fg",

"x1": "0",

"y1": "0",

"x2": "0.7",

"y2": "0.7"

}

4.永远返回如下错误信息，暂时没成功过

{

    "errcode": -1,

    "errmsg": "system error rid: 62e0f6a7-3e8cb8bd-38b8f473"

}