public void Crawler()
        {
            while (ExistCrawlerJC())
            {
                var listJiaocai = GetRandom10CrawlerJC();
                var listArea    = GetAreas();
                Parallel.ForEach(listJiaocai, (jc) =>
                {
                    try
                    {
                        Parallel.ForEach(listArea, (area) =>
                        {
                            if (ExistGrabPageAreaSource(area.AreaId, jc.JiaoCaiId))
                            {
                                return;
                            }
                            var url =
                                $"http://zujuan.xkw.com/{jc.Prefix}/zj{jc.JiaoCaiId}/a{area.AreaId}/";


                            Console.WriteLine(url);
                            var html = HttpWebResponseUtility.ExecuteCreateGetHttpResponseProxy(url, 3000, null);

                            var doc        = NSoupClient.Parse(html);
                            var totalCount = doc.GetElementById("questioncount").Text().NullToInt();

                            var pageCount = totalCount / 10 + 1;

                            AddGrabPageSource(area.AreaId, jc.JiaoCaiId, totalCount);
                            //for (int i = 1; i <= pageCount; i++)
                            //{
                            //    AddGrabPageList(area.AreaId, jc.JiaoCaiDetailId, grade.GradeId, totalCount, i);
                            //}
                        });

                        UpdateJiaocaiStatus(jc.JiaoCaiId);
                    }
                    catch
                    {
                    }
                });
            }
        }