private void AddComment(UpdateWeekComment updateWeekComment, Guid accountId) { using (var workContext = new DefaultContext()) { var weekTarget = workContext.WeekTargets.FirstOrDefault(x => x.ID == updateWeekComment.WeekTargetId); if (weekTarget.Null()) { Message = "评论日志不存在"; return; } var weekComment = updateWeekComment.CreateWeekComment(weekTarget, accountId); workContext.WeekComments.Add(weekComment); workContext.SaveChanges(); Flag = true; } }