diff --git a/DataVAPI/UpAndDown/ProcessServer.cs b/DataVAPI/UpAndDown/ProcessServer.cs
index 82559a2..abe5032 100644
--- a/DataVAPI/UpAndDown/ProcessServer.cs
+++ b/DataVAPI/UpAndDown/ProcessServer.cs
@@ -261,7 +261,7 @@ namespace DataVAPI.UpAndDown
                         int index = 0;
 
                         if (receiveModel.status.value == "离线") { index = devModel.operatingDeviceStatus.data.Count - 1; }
-                        else index = devModel.operatingDeviceStatus.data.FindIndex(0, ar => ar.DeviceMS.Contains("离线"));
+                        else index = devModel.operatingDeviceStatus.data.FindIndex(0, ar => ar.DeviceZT.Contains("离线"));
                         if (index > devModel.operatingDeviceStatus.data.Count - 1) index = devModel.operatingDeviceStatus.data.Count - 1;
 
                         int now = devModel.operatingDeviceStatus.data.IndexOf(dev);