/// <summary>
 /// 获取所有交易所的交易时间
 /// </summary>
 /// <returns></returns>
 protected List <CM_TradeTime> GetAllTradeTime()
 {
     try
     {
         using (CommonParaClient client = ManagementCenterDataAgent.Instanse.GetComonParaInstanse())
         {
             return(client.GetAllTradeTime());
         }
     }
     catch (Exception ex)
     {
         LogHelper.WriteError(GenerateInfo.CH_E006, ex);
         return(null);
     }
 }