https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx4ea2f0dc027fa6a7&redirect_uri=https%3A%2F%2Ftesting.nanoa.cn%2Fcomponent%2Fwechat%2Fofficial.oauth.callback.php&response_type=code&scope=snsapi_base&state=85af46af13bffa493a621c4f6ee391f8&connect_redirect=1#wechat_redirect