diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Actor/DmtpActor.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Actor/DmtpActor.cs
index 392f2aee9..50046660a 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Actor/DmtpActor.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Actor/DmtpActor.cs
@@ -123,25 +123,6 @@ namespace ThingsGateway.Foundation.Dmtp
         {
         }
 
-        /// <inheritdoc/>
-        public void Close(string msg)
-        {
-            this.OnClosed(true, msg);
-        }
-
-        /// <inheritdoc/>
-        public bool SendClose(string msg)
-        {
-            try
-            {
-                this.SendString(0, msg);
-                return true;
-            }
-            catch
-            {
-                return false;
-            }
-        }
 
         /// <summary>
         /// 建立对点
@@ -1051,7 +1032,7 @@ namespace ThingsGateway.Foundation.Dmtp
             }
         }
 
-        #region 重写
+        #region 断开
 
         /// <summary>
         /// <inheritdoc/>
@@ -1070,7 +1051,25 @@ namespace ThingsGateway.Foundation.Dmtp
             this.WaitHandlePool.SafeDispose();
             base.Dispose(disposing);
         }
+        /// <inheritdoc/>
+        public void Close(string msg)
+        {
+            this.OnClosed(true, msg);
+        }
 
+        /// <inheritdoc/>
+        public bool SendClose(string msg)
+        {
+            try
+            {
+                this.SendString(0, msg);
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
         #endregion 重写
 
         #region 协议同步发送
diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/Http/HttpDmtpClient.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/Http/HttpDmtpClient.cs
index 67f512865..98aa235be 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/Http/HttpDmtpClient.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/Http/HttpDmtpClient.cs
@@ -39,10 +39,10 @@ namespace ThingsGateway.Foundation.Dmtp
         #endregion 字段
 
         /// <inheritdoc cref="IDmtpActor.Id"/>
-        public string Id => this.DmtpActor.Id;
+        public string Id => this.m_dmtpActor.Id;
 
         /// <inheritdoc cref="IDmtpActor.IsHandshaked"/>
-        public bool IsHandshaked => this.DmtpActor != null && this.DmtpActor.IsHandshaked;
+        public bool IsHandshaked => this.m_dmtpActor != null && this.m_dmtpActor.IsHandshaked;
 
         /// <inheritdoc/>
         public IDmtpActor DmtpActor { get => this.m_dmtpActor; }
@@ -219,7 +219,10 @@ namespace ThingsGateway.Foundation.Dmtp
         /// <inheritdoc/>
         protected override void Dispose(bool disposing)
         {
-            this.m_dmtpActor?.SafeDispose();
+            if (this.IsHandshaked)
+            {
+                this.m_dmtpActor?.SafeDispose();
+            }
             base.Dispose(disposing);
         }
 
@@ -230,7 +233,7 @@ namespace ThingsGateway.Foundation.Dmtp
         /// <returns></returns>
         public override void Close(string msg = "")
         {
-            if (this.m_dmtpActor != null)
+            if (this.IsHandshaked)
             {
                 this.m_dmtpActor.SendClose(msg);
                 this.m_dmtpActor.Close(msg);
@@ -303,7 +306,7 @@ namespace ThingsGateway.Foundation.Dmtp
                 Routing = this.OnDmtpActorRouting,
                 Handshaking = this.OnDmtpActorHandshaking,
                 Handshaked = this.OnDmtpActorHandshaked,
-                Closed = OnDmtpActorClose,
+                Closed = this.OnDmtpActorClose,
                 CreatedChannel = this.OnDmtpActorCreateChannel,
                 Logger = this.Logger,
                 Client = this,
diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpClient.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpClient.cs
index 89dcde9bc..5057d247d 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpClient.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpClient.cs
@@ -42,7 +42,7 @@ namespace ThingsGateway.Foundation.Dmtp
         public IDmtpActor DmtpActor { get => this.m_dmtpActor; }
 
         /// <inheritdoc cref="IDmtpActor.Id"/>
-        public string Id => this.DmtpActor.Id;
+        public string Id => this.m_dmtpActor.Id;
 
         #region 字段
 
@@ -54,7 +54,7 @@ namespace ThingsGateway.Foundation.Dmtp
         #endregion 字段
 
         /// <inheritdoc cref="IDmtpActor.IsHandshaked"/>
-        public bool IsHandshaked => this.DmtpActor != null && this.DmtpActor.IsHandshaked;
+        public bool IsHandshaked => this.m_dmtpActor != null && this.m_dmtpActor.IsHandshaked;
 
         #region 断开
 
@@ -65,15 +65,21 @@ namespace ThingsGateway.Foundation.Dmtp
         /// <returns></returns>
         public override void Close(string msg = "")
         {
-            this.m_dmtpActor?.SendClose(msg);
-            this.m_dmtpActor?.Close(msg);
+            if (this.IsHandshaked)
+            {
+                this.m_dmtpActor?.SendClose(msg);
+                this.m_dmtpActor?.Close(msg);
+            }
             base.Close(msg);
         }
 
         /// <inheritdoc/>
         protected override void Dispose(bool disposing)
         {
-            this.m_dmtpActor?.SafeDispose();
+            if (this.IsHandshaked)
+            {
+                this.m_dmtpActor?.SafeDispose();
+            }
             base.Dispose(disposing);
         }
 
diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpSocketClient.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpSocketClient.cs
index d58db2308..5fffcedac 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpSocketClient.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Dmtp/Components/TCP/TcpDmtpSocketClient.cs
@@ -161,22 +161,31 @@ namespace ThingsGateway.Foundation.Dmtp
         /// <returns></returns>
         public override void Close(string msg = "")
         {
-            this.m_dmtpActor?.SendClose(msg);
-            this.m_dmtpActor?.Close(msg);
+            if (this.IsHandshaked)
+            {
+                this.m_dmtpActor?.SendClose(msg);
+                this.m_dmtpActor?.Close(msg);
+            }
             base.Close(msg);
         }
 
         /// <inheritdoc/>
         protected override void Dispose(bool disposing)
         {
-            this.m_dmtpActor?.SafeDispose();
+            if (this.IsHandshaked)
+            {
+                this.m_dmtpActor?.SafeDispose();
+            }
             base.Dispose(disposing);
         }
 
         /// <inheritdoc/>
         protected override async Task OnDisconnected(DisconnectEventArgs e)
         {
-            this.m_dmtpActor?.Close(e.Message);
+            if (this.IsHandshaked)
+            {
+                this.m_dmtpActor?.Close(e.Message);
+            }
             await base.OnDisconnected(e).ConfigureFalseAwait();
         }
 
diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/SerialPort/SerialPort/SerialCore.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/SerialPort/SerialPort/SerialCore.cs
index 2b6572163..f7ceedb02 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/SerialPort/SerialPort/SerialCore.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/SerialPort/SerialPort/SerialCore.cs
@@ -215,6 +215,17 @@ public class SerialCore : IDisposable, ISender
         this.m_receiveBufferSize = this.MinBufferSize;
         this.m_sendBufferSize = this.MinBufferSize;
     }
+    /// <summary>
+    /// 判断，当不在连接状态时触发异常。
+    /// </summary>
+    /// <exception cref="NotConnectedException"></exception>
+    protected void ThrowIfNotConnected()
+    {
+        if (!this.m_online)
+        {
+            throw new NotConnectedException();
+        }
+    }
 
     /// <summary>
     /// 发送数据。
@@ -227,6 +238,7 @@ public class SerialCore : IDisposable, ISender
     /// <param name="length"></param>
     public virtual void Send(byte[] buffer, int offset, int length)
     {
+        this.ThrowIfNotConnected();
         try
         {
             this.m_semaphoreForSend.Wait();
@@ -249,6 +261,7 @@ public class SerialCore : IDisposable, ISender
     /// <exception cref="Exception"></exception>
     public virtual async Task SendAsync(byte[] buffer, int offset, int length)
     {
+        this.ThrowIfNotConnected();
         try
         {
             await this.m_semaphoreForSend.WaitAsync();
diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Components/Core/TcpCore.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Components/Core/TcpCore.cs
index 50014dbd7..ccdb133b3 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Components/Core/TcpCore.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Components/Core/TcpCore.cs
@@ -296,7 +296,17 @@ public class TcpCore : SocketAsyncEventArgs, IDisposable, ISender
         this.m_sendBufferSize = this.MinBufferSize;
         this.m_online = false;
     }
-
+    /// <summary>
+    /// 判断，当不在连接状态时触发异常。
+    /// </summary>
+    /// <exception cref="NotConnectedException"></exception>
+    protected void ThrowIfNotConnected()
+    {
+        if (!this.m_online)
+        {
+            throw new NotConnectedException();
+        }
+    }
     /// <summary>
     /// 发送数据。
     /// <para>
@@ -308,6 +318,7 @@ public class TcpCore : SocketAsyncEventArgs, IDisposable, ISender
     /// <param name="length"></param>
     public virtual void Send(byte[] buffer, int offset, int length)
     {
+        this.ThrowIfNotConnected();
         if (this.UseSsl)
         {
             this.SslStream.Write(buffer, offset, length);
@@ -349,6 +360,7 @@ public class TcpCore : SocketAsyncEventArgs, IDisposable, ISender
     /// <exception cref="Exception"></exception>
     public virtual async Task SendAsync(byte[] buffer, int offset, int length)
     {
+        this.ThrowIfNotConnected();
 #if NET6_0_OR_GREATER
         if (this.UseSsl)
         {
diff --git a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Exceptions/NotConnectedException.cs b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Exceptions/NotConnectedException.cs
index 65389c0eb..0d8e0819f 100644
--- a/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Exceptions/NotConnectedException.cs
+++ b/framework/Foundation/ThingsGateway.Foundation/TouchSocket/Socket/Exceptions/NotConnectedException.cs
@@ -34,7 +34,7 @@ namespace ThingsGateway.Foundation.Sockets
         /// <summary>
         /// 构造函数
         /// </summary>
-        public NotConnectedException()
+        public NotConnectedException() : this(TouchSocketResource.NotConnected.GetDescription())
         { }
 
         /// <summary>