diff --git a/framework/ThingsGateway.Application/ThingsGateway.Application.xml b/framework/ThingsGateway.Application/ThingsGateway.Application.xml
index 1eabfaf69..1ea0b0406 100644
--- a/framework/ThingsGateway.Application/ThingsGateway.Application.xml
+++ b/framework/ThingsGateway.Application/ThingsGateway.Application.xml
@@ -1841,7 +1841,7 @@
         </member>
         <member name="P:ThingsGateway.Application.DeviceVariableRunTime.LastSetValue">
             <summary>
-            最近一次值
+            上次值
             </summary>
         </member>
         <member name="M:ThingsGateway.Application.DeviceVariableRunTime.SetValue(System.Object,System.DateTime,System.Boolean)">
diff --git a/framework/ThingsGateway.Application/Workers/Collect/CollectDeviceWorker.cs b/framework/ThingsGateway.Application/Workers/Collect/CollectDeviceWorker.cs
index 210fb6f44..a77fa3164 100644
--- a/framework/ThingsGateway.Application/Workers/Collect/CollectDeviceWorker.cs
+++ b/framework/ThingsGateway.Application/Workers/Collect/CollectDeviceWorker.cs
@@ -452,8 +452,8 @@ public class CollectDeviceWorker : BackgroundService
         var Propertys = _pluginService.GetDriverProperties(driver);
         if (devId != 0)
         {
-            var devcore = CollectDeviceCores.FirstOrDefault(it => it.Device.Id == devId);
-            devcore?.Device?.DevicePropertys?.ForEach(it =>
+            var devcore = App.GetService<CollectDeviceService>().GetDeviceById(devId);
+            devcore?.DevicePropertys?.ForEach(it =>
             {
                 var dependencyProperty = Propertys.FirstOrDefault(a => a.PropertyName == it.PropertyName);
                 if (dependencyProperty != null)
diff --git a/framework/ThingsGateway.Application/Workers/Upload/UploadDeviceWorker.cs b/framework/ThingsGateway.Application/Workers/Upload/UploadDeviceWorker.cs
index 978435c42..32411792f 100644
--- a/framework/ThingsGateway.Application/Workers/Upload/UploadDeviceWorker.cs
+++ b/framework/ThingsGateway.Application/Workers/Upload/UploadDeviceWorker.cs
@@ -302,8 +302,8 @@ public class UploadDeviceWorker : BackgroundService
         var Propertys = _pluginService.GetDriverProperties(driver);
         if (devId != 0)
         {
-            var devcore = UploadDeviceCores.FirstOrDefault(it => it.Device.Id == devId);
-            devcore?.Device?.DevicePropertys?.ForEach(it =>
+            var devcore = App.GetService<UploadDeviceService>().GetDeviceById(devId);
+            devcore?.DevicePropertys?.ForEach(it =>
             {
                 var dependencyProperty = Propertys.FirstOrDefault(a => a.PropertyName == it.PropertyName);
                 if (dependencyProperty != null)