CEDTS_SystemOverview ICedts_NoticeRepository.GetSystemInfo()
        {
            var item = db.CEDTS_SystemOverview.FirstOrDefault();

            if (item == null)
            {
                CEDTS_SystemOverview so = new CEDTS_SystemOverview();
                so.Content          = string.Empty;
                so.Intro            = string.Empty;
                so.Time             = DateTime.Now;
                so.SystemOverviewID = 1;
                db.AddToCEDTS_SystemOverview(so);
                db.SaveChanges();
                item = so;
            }
            return(item);
        }