QQ profile
According to the QQ documentation, if you need to get user information, you need to get the user's openid first.
get_user_info:
https://wiki.connect.qq.com/get_user_info

get openid:
https://wiki.connect.qq.com/%E8%8E%B7%E5%8F%96%E7%94%A8%E6%88%B7openid_oauth2-0
The `content-type` returned by this API is `text/html`, but its content is jsonp, so it needs special processing.