public async Task <IActionResult> Delete(PersistedGrantModel model)
        {
            var result = await _persistedGrantService.DeleteByKeyAsync(UrlHelper.QueryStringUnSafeHash(model.Key));

            if (result)
            {
                SuccessNotification("删除成功", "成功");

                return(RedirectToAction(nameof(Index)));
            }

            return(View(model));
        }