diff --git a/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj b/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
index c1c1818..0578162 100644
--- a/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
+++ b/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
@@ -56,6 +56,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="1.1.2" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Xml" Version="1.1.2" />
     <PackageReference Include="Nito.AsyncEx.Tasks" Version="1.1.0" />
+    <PackageReference Include="Serilog" Version="2.4.0" />
     <PackageReference Include="System.Collections.NonGeneric" Version="4.3.0" />
     <PackageReference Include="System.Threading.ThreadPool" Version="4.3.0" />
   </ItemGroup>
diff --git a/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj b/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj
index fef1838..d0c29f2 100644
--- a/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj
+++ b/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj
@@ -23,10 +23,6 @@
     <DocumentationFile>bin\Debug\net45\Modbus.Net.Modbus.xml</DocumentationFile>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.Build" Version="1.0.21" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\ModBus.Net\Modbus.Net.csproj" />
   </ItemGroup>
diff --git a/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj b/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj
index 34e799c..3f38142 100644
--- a/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj
+++ b/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj
@@ -25,7 +25,6 @@
 
   <ItemGroup>
     <PackageReference Include="H.Opc" Version="0.9.0" />
-    <PackageReference Include="Microsoft.Bcl.Build" Version="1.0.21" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj b/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj
index b863ece..3c27504 100644
--- a/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj
+++ b/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj
@@ -22,10 +22,6 @@
     <DocumentationFile>bin\Debug\net45\Modbus.Net.Siemens.xml</DocumentationFile>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.Build" Version="1.0.21" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\ModBus.Net\Modbus.Net.csproj" />
   </ItemGroup>
diff --git a/Modbus.Net/Modbus.Net/ComConnector.cs b/Modbus.Net/Modbus.Net/ComConnector.cs
index 7802356..3454532 100644
--- a/Modbus.Net/Modbus.Net/ComConnector.cs
+++ b/Modbus.Net/Modbus.Net/ComConnector.cs
@@ -6,6 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Serilog;
 
 namespace Modbus.Net
 {
@@ -65,6 +66,10 @@ namespace Modbus.Net
         /// </summary>
         private bool m_disposed;
 
+        private int _sendCount;
+        private int _receiveCount;
+        private int _errorCount;
+
         /// <summary>
         ///     构造器
         /// </summary>
@@ -135,47 +140,37 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="readBuf">串口数据缓冲 </param>
         /// <param name="bufRoom">串口数据缓冲空间大小 </param>
-        /// <param name="HowTime">设置串口读放弃时间 </param>
-        /// <param name="ByteTime">字节间隔最大时间 </param>
+        /// <param name="howTime">设置串口读放弃时间 </param>
+        /// <param name="byteTime">字节间隔最大时间 </param>
         /// <returns>串口实际读入数据个数 </returns>
-        public int ReadComm(out byte[] readBuf, int bufRoom, int HowTime, int ByteTime)
-        {
-            //throw new System.NotImplementedException(); 
+        public int ReadComm(out byte[] readBuf, int bufRoom, int howTime, int byteTime)
+        { 
             readBuf = new byte[1023];
             Array.Clear(readBuf, 0, readBuf.Length);
 
-            int nReadLen, nBytelen;
             if (SerialPort.IsOpen == false)
                 return -1;
-            nBytelen = 0;
-            SerialPort.ReadTimeout = HowTime;
+            var nBytelen = 0;
+            SerialPort.ReadTimeout = howTime;
 
-
-            try
+            while (SerialPort.BytesToRead > 0)
             {
-                while (SerialPort.BytesToRead > 0)
+                readBuf[nBytelen] = (byte) SerialPort.ReadByte();
+                var bTmp = new byte[bufRoom];
+                Array.Clear(bTmp, 0, bTmp.Length);
+
+                var nReadLen = ReadBlock(bTmp, bufRoom, byteTime);
+
+                if (nReadLen > 0)
                 {
-                    readBuf[nBytelen] = (byte) SerialPort.ReadByte();
-                    var bTmp = new byte[bufRoom];
-                    Array.Clear(bTmp, 0, bTmp.Length);
-
-                    nReadLen = ReadBlock(bTmp, bufRoom, ByteTime);
-
-                    if (nReadLen > 0)
-                    {
-                        Array.Copy(bTmp, 0, readBuf, nBytelen + 1, nReadLen);
-                        nBytelen += 1 + nReadLen;
-                    }
-
-                    else if (nReadLen == 0)
-                    {
-                        nBytelen += 1;
-                    }
+                    Array.Copy(bTmp, 0, readBuf, nBytelen + 1, nReadLen);
+                    nBytelen += 1 + nReadLen;
+                }
+
+                else if (nReadLen == 0)
+                {
+                    nBytelen += 1;
                 }
-            }
-            catch (Exception ex)
-            {
-                throw new Exception(ex.Message);
             }
 
             return nBytelen;
@@ -184,31 +179,23 @@ namespace Modbus.Net
         /// <summary>
         ///     串口同步读(阻塞方式读串口，直到串口缓冲区中没有数据,靠字符间间隔超时确定没有数据)
         /// </summary>
-        /// <param name="ReadBuf">串口数据缓冲 </param>
-        /// <param name="ReadRoom">串口数据缓冲空间大小 </param>
-        /// <param name="ByteTime">字节间隔最大时间 </param>
+        /// <param name="readBuf">串口数据缓冲 </param>
+        /// <param name="readRoom">串口数据缓冲空间大小 </param>
+        /// <param name="byteTime">字节间隔最大时间 </param>
         /// <returns>从串口实际读入的字节个数 </returns>
-        public int ReadBlock(byte[] ReadBuf, int ReadRoom, int ByteTime)
+        public int ReadBlock(byte[] readBuf, int readRoom, int byteTime)
         {
-            sbyte nBytelen;
-            //long nByteRead; 
-
             if (SerialPort.IsOpen == false)
                 return 0;
-            nBytelen = 0;
-            SerialPort.ReadTimeout = ByteTime;
+            sbyte nBytelen = 0;
+            SerialPort.ReadTimeout = byteTime;
 
-            while (nBytelen < ReadRoom - 1 && SerialPort.BytesToRead > 0)
-                try
-                {
-                    ReadBuf[nBytelen] = (byte) SerialPort.ReadByte();
-                    nBytelen++; // add one 
-                }
-                catch (Exception ex)
-                {
-                    throw new Exception(ex.Message);
-                }
-            ReadBuf[nBytelen] = 0x00;
+            while (nBytelen < readRoom - 1 && SerialPort.BytesToRead > 0)
+            {
+                readBuf[nBytelen] = (byte) SerialPort.ReadByte();
+                nBytelen++; // add one 
+            }
+            readBuf[nBytelen] = 0x00;
             return nBytelen;
         }
 
@@ -216,72 +203,63 @@ namespace Modbus.Net
         /// <summary>
         ///     字符数组转字符串16进制
         /// </summary>
-        /// <param name="InBytes"> 二进制字节 </param>
+        /// <param name="inBytes"> 二进制字节 </param>
         /// <returns>类似"01 02 0F" </returns>
-        public static string ByteToString(byte[] InBytes)
+        public static string ByteToString(byte[] inBytes)
         {
-            var StringOut = "";
-            foreach (var InByte in InBytes)
-                StringOut = StringOut + string.Format("{0:X2}", InByte) + " ";
+            var stringOut = "";
+            foreach (var inByte in inBytes)
+                stringOut = stringOut + $"{inByte:X2}" + " ";
 
-            return StringOut.Trim();
+            return stringOut.Trim();
         }
 
         /// <summary>
         ///     strhex 转字节数组
         /// </summary>
-        /// <param name="InString">类似"01 02 0F" 用空格分开的  </param>
+        /// <param name="inString">类似"01 02 0F" 用空格分开的  </param>
         /// <returns> </returns>
-        public static byte[] StringToByte(string InString)
+        public static byte[] StringToByte(string inString)
         {
-            string[] ByteStrings;
-            ByteStrings = InString.Split(" ".ToCharArray());
-            byte[] ByteOut;
-            ByteOut = new byte[ByteStrings.Length];
-            for (var i = 0; i <= ByteStrings.Length - 1; i++)
-                ByteOut[i] = byte.Parse(ByteStrings[i], NumberStyles.HexNumber);
-            return ByteOut;
+            var byteStrings = inString.Split(" ".ToCharArray());
+            var byteOut = new byte[byteStrings.Length];
+            for (var i = 0; i <= byteStrings.Length - 1; i++)
+                byteOut[i] = byte.Parse(byteStrings[i], NumberStyles.HexNumber);
+            return byteOut;
         }
 
         /// <summary>
         ///     strhex 转字节数组
         /// </summary>
-        /// <param name="InString">类似"01 02 0F" 中间无空格 </param>
+        /// <param name="inString">类似"01 02 0F" 中间无空格 </param>
         /// <returns> </returns>
-        public static byte[] StringToByte_2(string InString)
+        public static byte[] StringToByte_2(string inString)
         {
-            byte[] ByteOut;
-            InString = InString.Replace(" ", "");
-            try
-            {
-                var ByteStrings = new string[InString.Length / 2];
-                var j = 0;
-                for (var i = 0; i < ByteStrings.Length; i++)
-                {
-                    ByteStrings[i] = InString.Substring(j, 2);
-                    j += 2;
-                }
+            inString = inString.Replace(" ", "");
 
-                ByteOut = new byte[ByteStrings.Length];
-                for (var i = 0; i <= ByteStrings.Length - 1; i++)
-                    ByteOut[i] = byte.Parse(ByteStrings[i], NumberStyles.HexNumber);
-            }
-            catch (Exception ex)
+            var byteStrings = new string[inString.Length / 2];
+            var j = 0;
+            for (var i = 0; i < byteStrings.Length; i++)
             {
-                throw new Exception(ex.Message);
+                byteStrings[i] = inString.Substring(j, 2);
+                j += 2;
             }
 
-            return ByteOut;
+            var byteOut = new byte[byteStrings.Length];
+            for (var i = 0; i <= byteStrings.Length - 1; i++)
+                byteOut[i] = byte.Parse(byteStrings[i], NumberStyles.HexNumber);
+
+            return byteOut;
         }
 
         /// <summary>
         ///     字符串 转16进制字符串
         /// </summary>
-        /// <param name="InString">unico </param>
+        /// <param name="inString">unico </param>
         /// <returns>类似“01 0f” </returns>
-        public static string Str_To_0X(string InString)
+        public static string Str_To_0X(string inString)
         {
-            return ByteToString(Encoding.Default.GetBytes(InString));
+            return ByteToString(Encoding.Default.GetBytes(inString));
         }
 
         /// <summary>
@@ -310,10 +288,12 @@ namespace Modbus.Net
                             //ignore
                         }
                         SerialPort.Dispose();
+                        Log.Information("Com interface {Com} Disposed", _com);
                         Connectors[_com] = null;
                         Connectors.Remove(_com);
                     }
                     Linkers.Remove(_slave);
+                    Log.Information("Com connector {ConnectionToken} Removed", ConnectionToken);
                 }
                 m_disposed = true;
             }
@@ -364,10 +344,12 @@ namespace Modbus.Net
                 if (!Linkers.ContainsKey(_slave))
                     Linkers.Add(_slave, _com);
                 SerialPort.Open();
+                Log.Information("Com client {ConnectionToken} connect success", ConnectionToken);
                 return true;
             }
-            catch (Exception)
+            catch (Exception e)
             {
+                Log.Error(e, "Com client {ConnectionToken} connect error", ConnectionToken);
                 return false;
             }
         }
@@ -391,12 +373,15 @@ namespace Modbus.Net
                 try
                 {
                     Dispose();
+                    Log.Information("Com client {ConnectionToken} disconnect success", ConnectionToken);
                     return true;
                 }
-                catch
+                catch (Exception e)
                 {
+                    Log.Error(e, "Com client {ConnectionToken} disconnect error", ConnectionToken);
                     return false;
                 }
+            Log.Error(new Exception("Linkers or Connectors Dictionary not found"), "Com client {ConnectionToken} disconnect error", ConnectionToken);
             return false;
         }
 
@@ -438,19 +423,48 @@ namespace Modbus.Net
                     {
                         SerialPort.Open();
                     }
-                    catch (Exception)
+                    catch (Exception err)
                     {
+                        Log.Error(err, "Com client {ConnectionToken} open error", ConnectionToken);
                         Dispose();
                         SerialPort.Open();
                     }
+
+                byte[] returnBytes;
+
                 lock (SerialPort.Lock)
                 {
-                    SerialPort.Write(sendbytes, 0, sendbytes.Length);
+                    try
+                    {
+                        Log.Verbose("Com client {ConnectionToken} send msg length: {Length}", ConnectionToken, sendbytes.Length);
+                        Log.Verbose("Com client {ConnectionToken} send msg: {SendBytes}", ConnectionToken, sendbytes);
+                        SerialPort.Write(sendbytes, 0, sendbytes.Length);
+                    }
+                    catch (Exception err)
+                    {
+                        Log.Error(err, "Com client {ConnectionToken} send msg error", ConnectionToken);
+                        return null;
+                    }
+                    RefreshSendCount();
+
+                    try
+                    {
+                        returnBytes = ReadMsg();
+                        Log.Verbose("Com client {ConnectionToken} receive msg length: {Length}", ConnectionToken, returnBytes.Length);
+                        Log.Verbose("Com client {ConnectionToken} receive msg: {SendBytes}", ConnectionToken, returnBytes);
+                    }
+                    catch (Exception e)
+                    {
+                        Log.Error(e, "Com client {ConnectionToken} read msg error", ConnectionToken);
+                        return null;
+                    }
+                    RefreshReceiveCount();
                 }
-                return ReadMsg();
+                return returnBytes;
             }
-            catch
+            catch (Exception err)
             {
+                Log.Error(err, "Com client {ConnectionToken} read error", ConnectionToken);
                 Dispose();
                 return null;
             }
@@ -480,19 +494,33 @@ namespace Modbus.Net
                     {
                         SerialPort.Open();
                     }
-                    catch (Exception)
+                    catch (Exception err)
                     {
+                        Log.Error(err, "Com client {ConnectionToken} open error", ConnectionToken);
                         Dispose();
                         SerialPort.Open();
                     }
                 lock (SerialPort.Lock)
                 {
-                    SerialPort.Write(sendbytes, 0, sendbytes.Length);
+                    try
+                    {
+                        Log.Verbose("Com client {ConnectionToken} send msg length: {Length}", ConnectionToken, sendbytes.Length);
+                        Log.Verbose("Com client {ConnectionToken} send msg: {SendBytes}", ConnectionToken, sendbytes);
+                        SerialPort.Write(sendbytes, 0, sendbytes.Length);
+                    }
+                    catch (Exception err)
+                    {
+                        Log.Error(err, "Com client {ConnectionToken} send msg error", ConnectionToken);
+                        Dispose();
+                        return false;
+                    } 
+                    RefreshSendCount();
                 }
                 return true;
             }
-            catch (Exception)
+            catch (Exception err)
             {
+                Log.Error(err, "Com client {ConnectionToken} reopen error", ConnectionToken);
                 return false;
             }
         }
@@ -511,13 +539,33 @@ namespace Modbus.Net
                 Array.Copy(data, 0, returndata, 0, i);
                 return returndata;
             }
-            catch (Exception)
+            catch (Exception e)
             {
+                Log.Error(e, "Com client {ConnectionToken} read error", ConnectionToken);
+                RefreshErrorCount();
                 Dispose();
                 return null;
             }
         }
 
         #endregion
+
+        private void RefreshSendCount()
+        {
+            _sendCount++;
+            Log.Verbose("Tcp client {ConnectionToken} send count: {SendCount}", ConnectionToken, _sendCount);
+        }
+
+        private void RefreshReceiveCount()
+        {
+            _receiveCount++;
+            Log.Verbose("Tcp client {ConnectionToken} receive count: {SendCount}", ConnectionToken, _receiveCount);
+        }
+
+        private void RefreshErrorCount()
+        {
+            _errorCount++;
+            Log.Verbose("Tcp client {ConnectionToken} error count: {ErrorCount}", ConnectionToken, _errorCount);
+        }
     }
 }
\ No newline at end of file
diff --git a/Modbus.Net/Modbus.Net/Modbus.Net.csproj b/Modbus.Net/Modbus.Net/Modbus.Net.csproj
index 00e6daa..ef209ac 100644
--- a/Modbus.Net/Modbus.Net/Modbus.Net.csproj
+++ b/Modbus.Net/Modbus.Net/Modbus.Net.csproj
@@ -52,6 +52,7 @@
 
   <ItemGroup>
     <PackageReference Include="Nito.AsyncEx" Version="4.0.1" />
+    <PackageReference Include="Serilog" Version="2.4.0" />
   </ItemGroup>
 
   <ItemGroup>
@@ -60,4 +61,10 @@
     </Reference>
   </ItemGroup>
 
+  <ItemGroup>
+    <Compile Update="ComConnector.cs">
+      <SubType>Component</SubType>
+    </Compile>
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/Modbus.Net/src/Base.Common/TcpConnector.cs b/Modbus.Net/src/Base.Common/TcpConnector.cs
index 8317870..8f1a56e 100644
--- a/Modbus.Net/src/Base.Common/TcpConnector.cs
+++ b/Modbus.Net/src/Base.Common/TcpConnector.cs
@@ -2,6 +2,7 @@
 using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
+using Serilog;
 
 namespace Modbus.Net
 {
@@ -34,12 +35,15 @@ namespace Modbus.Net
         private readonly string _host;
         private readonly int _port;
 
-        // 2MB 的接收缓冲区，目的是一次接收完服务器发回的消息
+        /// <summary>
+        ///     1MB 的接收缓冲区
+        /// </summary>
         private readonly byte[] _receiveBuffer = new byte[1024];
-        private int _errorCount;
-        private int _receiveCount;
 
         private int _sendCount;
+        private int _receiveCount;
+        private int _errorCount;
+
         private TcpClient _socketClient;
 
         private int _timeoutTime;
@@ -69,7 +73,7 @@ namespace Modbus.Net
         /// </summary>
         public int TimeoutTime
         {
-            get { return _timeoutTime; }
+            get => _timeoutTime;
             set
             {
                 _timeoutTime = value;
@@ -111,9 +115,14 @@ namespace Modbus.Net
                 if (_socketClient != null)
                 {
                     CloseClientSocket();
-                    _socketClient.Client.Dispose();
+#if NET40 || NET45 || NET451 || NET452
+                    _socketClient.Close();
+#else
+                    _socketClient.Dispose();
+#endif
+                    Log.Debug("Tcp client {ConnectionToken} Disposed", ConnectionToken);
                 }
-                m_disposed = true;
+                m_disposed = true;               
             }
         }
 
@@ -159,19 +168,19 @@ namespace Modbus.Net
                 }
                 catch (Exception e)
                 {
-                    AddInfo("client connected exception: " + e.Message);
+                    Log.Error(e, "Tcp client {ConnectionToken} connect error", ConnectionToken);
                 }
                 if (_socketClient.Connected)
                 {
-                    AddInfo("client connected.");
+                    Log.Information("Tcp client {ConnectionToken} connected", ConnectionToken);
                     return true;
                 }
-                AddInfo("connect failed.");
+                Log.Error("Tcp client {ConnectionToken} connect failed.", ConnectionToken);
                 return false;
             }
             catch (Exception err)
             {
-                AddInfo("client connect exception: " + err.Message);
+                Log.Error(err, "Tcp client {ConnectionToken} connect exception", ConnectionToken);
                 return false;
             }
         }
@@ -187,17 +196,13 @@ namespace Modbus.Net
 
             try
             {
-#if NET40 || NET45 || NET451 || NET452
-                _socketClient.Close();
-#else
-                _socketClient.Dispose();
-#endif
-                AddInfo("client disconnected successfully.");
+                Dispose();
+                Log.Information("Tcp client {ConnectionToken} disconnected successfully", ConnectionToken);
                 return true;
             }
             catch (Exception err)
             {
-                AddInfo("client disconnected exception: " + err.Message);
+                Log.Error(err, "Tcp client {ConnectionToken} disconnected exception", ConnectionToken);
                 return false;
             }
             finally
@@ -206,11 +211,6 @@ namespace Modbus.Net
             }
         }
 
-        private void AddInfo(string message)
-        {
-            Console.WriteLine(message);
-        }
-
         /// <summary>
         ///     发送数据，不需要返回任何值
         /// </summary>
@@ -236,15 +236,18 @@ namespace Modbus.Net
                     await ConnectAsync();
 
                 var stream = _socketClient.GetStream();
+
+                Log.Verbose("Tcp client {ConnectionToken} send text len = {Length}", ConnectionToken, datagram.Length);
+                Log.Verbose("Tcp client {ConnectionToken} send text = {Datagram}", ConnectionToken, datagram);
                 await stream.WriteAsync(datagram, 0, datagram.Length);
 
                 RefreshSendCount();
-                //this.AddInfo("send text len = " + datagramText.Length.ToString());
+                
                 return true;
             }
             catch (Exception err)
             {
-                AddInfo("send exception: " + err.Message);
+                Log.Error(err, "Tcp client {ConnectionToken} send exception", ConnectionToken);
                 CloseClientSocket();
                 return false;
             }
@@ -275,16 +278,22 @@ namespace Modbus.Net
                     await ConnectAsync();
 
                 var stream = _socketClient.GetStream();
+
+                Log.Verbose("Tcp client {ConnectionToken} send text len = {Length}", ConnectionToken, datagram.Length);
+                Log.Verbose("Tcp client {ConnectionToken} send: {Datagram}", ConnectionToken, datagram);
                 await stream.WriteAsync(datagram, 0, datagram.Length);
-
+                                       
                 RefreshSendCount();
-                //this.AddInfo("send text len = " + datagramText.Length.ToString());
 
-                return await ReceiveAsync(stream);
+                var receiveBytes = await ReceiveAsync(stream);
+                Log.Verbose("Tcp client {ConnectionToken} receive text len = {Length}", ConnectionToken, receiveBytes.Length);
+                Log.Verbose("Tcp client {ConnectionToken} receive: {Datagram}", ConnectionToken, receiveBytes);
+
+                return receiveBytes;
             }
             catch (Exception err)
             {
-                AddInfo("send exception: " + err.Message);
+                Log.Error(err, "Tcp client {ConnectionToken} send exception", ConnectionToken);
                 CloseClientSocket();
                 return null;
             }
@@ -308,7 +317,7 @@ namespace Modbus.Net
             }
             catch (Exception err)
             {
-                AddInfo("receive exception: " + err.Message);
+                Log.Error(err, "Tcp client {ConnectionToken} receive exception", ConnectionToken);
                 CloseClientSocket();
                 return null;
             }
@@ -323,7 +332,7 @@ namespace Modbus.Net
             var replyMessage = new byte[len];
             Array.Copy(_receiveBuffer, replyMessage, len);
 
-            //this.AddInfo("reply: " + replyMesage);
+            Log.Verbose("Tcp client {ConnectionToken} reply: {replyMessage}",ConnectionToken, replyMessage);
             RefreshReceiveCount();
 
             if (len <= 0)
@@ -335,16 +344,19 @@ namespace Modbus.Net
         private void RefreshSendCount()
         {
             _sendCount++;
+            Log.Verbose("Tcp client {ConnectionToken} send count: {SendCount}", ConnectionToken, _sendCount);
         }
 
         private void RefreshReceiveCount()
         {
             _receiveCount++;
+            Log.Verbose("Tcp client {ConnectionToken} receive count: {SendCount}", ConnectionToken, _receiveCount);
         }
 
         private void RefreshErrorCount()
         {
             _errorCount++;
+            Log.Verbose("Tcp client {ConnectionToken} error count: {ErrorCount}", ConnectionToken, _errorCount);
         }
 
         private void CloseClientSocket()
@@ -358,7 +370,7 @@ namespace Modbus.Net
             }
             catch (Exception ex)
             {
-                AddInfo("client close exception: " + ex.Message);
+                Log.Error(ex, "Tcp client {ConnectionToken} client close exception", ConnectionToken);
             }
         }
     }