public async Task <IActionResult> EditSubject(CreateOrEditSubjectViewModel model)
        {
            if (ModelState.IsValid)
            {
                var subject = await _evaluationManager.FindSubjectByIdAsync(model.Id.Value);

                if (subject == null)
                {
                    return(NotFoundSubject(model.Id.Value));
                }
                subject = Mapper.Map(model, subject);
                await _evaluationManager.UpdateSubjectAsync(subject);

                Notifier.Success("你已成功编辑了一条技术点记录!");
                return(RedirectToAction(nameof(Subjects), new { model.EvaluationId }));
            }
            return(View(model));
        }