diff --git a/framework/Foundation/ThingsGateway.Foundation.Adapter.OPCUA/OPCUAClient/OPCUAClient.cs b/framework/Foundation/ThingsGateway.Foundation.Adapter.OPCUA/OPCUAClient/OPCUAClient.cs
index 121eec622..b59d06a55 100644
--- a/framework/Foundation/ThingsGateway.Foundation.Adapter.OPCUA/OPCUAClient/OPCUAClient.cs
+++ b/framework/Foundation/ThingsGateway.Foundation.Adapter.OPCUA/OPCUAClient/OPCUAClient.cs
@@ -47,7 +47,7 @@ public class OPCUAClient : IDisposable
     /// <summary>
     /// 当前保存的变量名称列表
     /// </summary>
-    public List<string> Variables = new();
+    public List<List<string>> Variables = new();
 
     /// <summary>
     /// 当前的变量名称/OPC变量节点
@@ -584,7 +584,12 @@ public class OPCUAClient : IDisposable
 
         //如果是订阅模式，连接时添加订阅组
         if (OPCNode.ActiveSubscribe)
-            await AddSubscriptionAsync(Guid.NewGuid().ToString(), Variables.ToArray(), OPCNode.LoadType);
+        {
+            foreach (var item in Variables)
+            {
+                await AddSubscriptionAsync(Guid.NewGuid().ToString(), item.ToArray(), OPCNode.LoadType);
+            }
+        }
         return m_session;
     }
 
diff --git a/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAClient/OPCUAClient.cs b/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAClient/OPCUAClient.cs
index d1ef207fe..9f06334e7 100644
--- a/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAClient/OPCUAClient.cs
+++ b/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAClient/OPCUAClient.cs
@@ -78,8 +78,9 @@ public class OPCUAClient : CollectBase
     public override List<DeviceVariableSourceRead> LoadSourceRead(List<DeviceVariableRunTime> deviceVariables)
     {
         _deviceVariables = deviceVariables;
-        _plc.Variables.AddRange(deviceVariables.Select(a => a.VariableAddress).ToList());
-        var dataLists = deviceVariables.ChunkTrivialBetter(driverPropertys.GroupSize);
+        List<List<DeviceVariableRunTime>> dataLists = deviceVariables.ChunkTrivialBetter(driverPropertys.GroupSize);
+        _plc.Variables = new();
+        _plc.Variables.AddRange(dataLists.Select(a => a.Select(a => a.VariableAddress).ToList()).ToList());
         var dataResult = new List<DeviceVariableSourceRead>();
         foreach (var variable in dataLists)
         {