public override void Delete()
        {
            var  learningCircleService = new LearningCircleService();
            var  leanringCircleInfo    = learningCircleService.GetDetailByOuterKey(_parameters.CircleKey.ToLower());
            var  authService           = new AuthService();
            bool _isAdmin = authService.CheckFunctionAuth(leanringCircleInfo.Id, Service.Utility.ParaCondition.SignInFunction.Admin, _parameters.MemberId);

            var _service = new SignInService();

            if (_isAdmin)
            {
                _service.Delete(_parameters.EventId, _parameters.MemberId);
            }
        }