按照微信公众号网页授权文档操作

https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html

获取到了aceess_token、openid。换取用户信息时返回 system error

{
    "errcode": -1,
    "errmsg": "system error, rid: 64eab4cb-0e984ee7-1b0448f5"
}