public ActionResult Finish(int rid)
        {
            var model = _reservationService.GetReservationiById(rid);
            var res   = _reservationService.AlterReservationState(rid, (int)DealState.Treated);

            if (res.Status)
            {
                ViewData["Message"] = @"操作成功";
                model = _reservationService.GetReservationiById(rid);
                return(View("Detail", model));
            }
            ViewData["Message"] = @"操作失败";
            return(View("Detail", model));
        }