public ActionResult <Dictionary <string, object> > QuerySystemDate()
{
RspMsg rspMsg = new RspMsg(RspType.OK);
rspMsg.Add("DateTime", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
rspMsg.Add("Timestamp", TimestampHelper.GetTimestampMilliSecond());
return(rspMsg.GetKeyValues());
}