public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            var userName = ContextService.GetCookie(AppSetting.CurrentUserNameCookieName);

            if (string.IsNullOrWhiteSpace(userName))
            {
                //    filterContext.Result =
                //            new RedirectToRouteResult(
                //                new RouteValueDictionary(
                //                    new
                //                    {
                //                        Controller = "Home",
                //                        action = "login",
                //                        returnUrl =
                //                            filterContext.HttpContext.User.Request.Url == null
                //                                ? ""
                //                                : filterContext.HttpContext.Request.Url.AbsoluteUri
                //                    }));
            }
            base.OnActionExecuting(filterContext);
        }