diff --git a/framework/Foundation/ThingsGateway.Foundation.Adapter.Siemens/Siemens/SiemensS7PLC.cs b/framework/Foundation/ThingsGateway.Foundation.Adapter.Siemens/Siemens/SiemensS7PLC.cs
index 43e1baa7d..5444694af 100644
--- a/framework/Foundation/ThingsGateway.Foundation.Adapter.Siemens/Siemens/SiemensS7PLC.cs
+++ b/framework/Foundation/ThingsGateway.Foundation.Adapter.Siemens/Siemens/SiemensS7PLC.cs
@@ -459,6 +459,7 @@ namespace ThingsGateway.Foundation.Adapter.Siemens
                 if (!result1.IsSuccess)
                 {
                     Logger?.Warning($"{client.IP} : {client.Port}：ISO_TP握手失败-{result1.Message}");
+                    TcpClient.Close();
                     return;
                 }
                 var result2 = await SendThenResponseAsync(S7_PN);
diff --git a/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAServer/OPCUALogger.cs b/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAServer/OPCUALogger.cs
index dde8a2f2f..0300a67d7 100644
--- a/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAServer/OPCUALogger.cs
+++ b/framework/Plugin/ThingsGateway.Plugin.OPCUA/OPCUAServer/OPCUALogger.cs
@@ -48,10 +48,9 @@ public partial class OPCUAServer
             else
             {
                 var message = formatter(state, exception);
-                _log.Log((Foundation.Core.LogLevel)(byte)logLevel, state, message, exception);
-                if (logLevel > Microsoft.Extensions.Logging.LogLevel.Information)
+                if (logLevel > Microsoft.Extensions.Logging.LogLevel.Warning)
                 {
-
+                    _log.Log((Foundation.Core.LogLevel)(byte)logLevel, state, message, exception);
                 }
             }
         }
diff --git a/framework/Plugin/ThingsGateway.Plugin.Siemens/Siemens.cs b/framework/Plugin/ThingsGateway.Plugin.Siemens/Siemens.cs
index 5bb85fc9f..c1c32400a 100644
--- a/framework/Plugin/ThingsGateway.Plugin.Siemens/Siemens.cs
+++ b/framework/Plugin/ThingsGateway.Plugin.Siemens/Siemens.cs
@@ -113,18 +113,13 @@ public abstract class Siemens : CollectBase
             return new(await _plc?.WriteAsync(address, value, cancellationToken));
     }
 
-
-
-
-
-
-
     /// <inheritdoc/>
     protected override void Dispose(bool disposing)
     {
         _plc?.Disconnect();
         base.Dispose(disposing);
     }
+
     /// <inheritdoc/>
     protected override async Task<OperResult<byte[]>> ReadAsync(string address, int length, CancellationToken cancellationToken)
     {