增加3秒云服务器连接检测，连不上服务器的时候不刷新数据

wxr

2024-04-12 a155c6ce1911e995d136f08b409dd0861706a3f8

 HDL_ON/DAL/DriverLayer/Control_TcpServer.cs

@@ -183,7 +183,7 @@
        {
            MainPage.Log($"0001 tcpDataString:\r\n {tcpBodyDataString}");
            var tcpDataObj = Control.Ins.AnalysisReceiveData(tcpBodyDataString, null);
            if (tcpDataObj.BodyDataString == null)
            if (tcpDataObj==null || tcpDataObj.BodyDataString == null)
            {
                return;
            }