如图所示，我的授权地址是  https://open.weixin.qq.com/connect/oauth2/authorize?appid=xxxxxxxxxxxxx&redirect_uri=http%3A%2F%2Fmydomain%2FAKERfjCmcp.php%2FWxauth%2FbindWechat&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect
和官方提供的demo做了比对，除了跳转url不一样，其他完全一致