public ActionResult Auth(QQOAuthAuthViewModel model)
        {
            var response = _oauthService.Auth(_services.WorkContext, model.code, model.msg, model.state);

            if (response.Error != null)
            {
                _services.Notifier.Add(NotifyType.Error, response.Error);
            }
            return(this.RedirectLocal(response.ReturnUrl));
        }