diff --git a/DosingSystem/Service/SiemensDevice.cs b/DosingSystem/Service/SiemensDevice.cs
index 47c46466..3b8bbe06 100644
--- a/DosingSystem/Service/SiemensDevice.cs
+++ b/DosingSystem/Service/SiemensDevice.cs
@@ -22,7 +22,7 @@ namespace BPASmartClient.DosingSystem
 
         public void Connect(string ip)
         {
-            GlobalDevice.PlcData = MySiemens.ReadClass<PlcToComputer>(3);//获取PLC到上位机的数据
+            //GlobalDevice.PlcData = MySiemens.ReadClass<PlcToComputer>(3);//获取PLC到上位机的数据
             while (!MySiemens.IsConnected)
             {
                 MySiemens.Connect(S7.Net.CpuType.S71200, ip);