从这里获取的accesstoken

https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=XXXXXXXX&code=CODE&grant_type=authorization_code

然后去这个接口获取个人信息，极少情况会出现__invalid credential, access_token is invalid or not latest, rid: 61106efe-7fc1ecd8-0b8ed2b2__

https://api.weixin.qq.com/sns/userinfo?access_token=access_token&openid=openid&lang=zh_CN