public ActionResult CheckOperationGroupName(OperationGroupViewModel group)
        {
            ExistOperationGroupNameDto existInfo = new ExistOperationGroupNameDto()
            {
                Name      = group.Name,
                ExcludeId = group.Id
            };
            bool allowUser = !operationGroupAppService.ExistOperationGroupName(existInfo);

            return(Content(allowUser.ToString().ToLower()));
        }