diff --git a/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj b/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
index 37eba7e..eec5ef8 100644
--- a/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
+++ b/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>Modbus.Net.Core</AssemblyName>
     <RootNamespace>Modbus.Net</RootNamespace>
     <PackageId>Modbus.Net.Core</PackageId>
-    <Version>1.3.8-beta2</Version>
+    <Version>1.3.8-beta3</Version>
     <Product>Modbus.Net</Product>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
@@ -49,6 +49,7 @@
     <Compile Include="..\src\Base.Common\IUtilityMethod.cs" Link="IUtilityMethod.cs" />
     <Compile Include="..\src\Base.Common\IMachineMethod.cs" Link="IMachineMethod.cs" />
     <Compile Include="..\src\Base.Common\TypeExtensions.cs" Link="TypeExtensions.cs" />
+    <Compile Include="..\src\Base.Common\IConnector.cs" Link="IConnector.cs" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Modbus.Net/Modbus.Net/Modbus.Net.csproj b/Modbus.Net/Modbus.Net/Modbus.Net.csproj
index ffd5b50..e24f0ac 100644
--- a/Modbus.Net/Modbus.Net/Modbus.Net.csproj
+++ b/Modbus.Net/Modbus.Net/Modbus.Net.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>Modbus.Net</AssemblyName>
     <RootNamespace>Modbus.Net</RootNamespace>
     <PackageId>Modbus.Net</PackageId>
-    <Version>1.3.8-beta1</Version>
+    <Version>1.3.8-beta2</Version>
     <Product>Modbus.Net</Product>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
@@ -48,6 +48,7 @@
     <Compile Include="..\src\Base.Common\IUtilityMethod.cs" Link="IUtilityMethod.cs" />
     <Compile Include="..\src\Base.Common\IMachineMethod.cs" Link="IMachineMethod.cs" />
     <Compile Include="..\src\Base.Common\TypeExtensions.cs" Link="TypeExtensions.cs" />
+    <Compile Include="..\src\Base.Common\IConnector.cs" Link="IConnector.cs" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Modbus.Net/src/Base.Common/BaseConnector.cs b/Modbus.Net/src/Base.Common/BaseConnector.cs
index 1232ac8..1b2df7b 100644
--- a/Modbus.Net/src/Base.Common/BaseConnector.cs
+++ b/Modbus.Net/src/Base.Common/BaseConnector.cs
@@ -12,7 +12,7 @@ namespace Modbus.Net
     /// <summary>
     ///     基础的协议连接类
     /// </summary>
-    public abstract class BaseConnector<TParamIn, TParamOut>
+    public abstract class BaseConnector<TParamIn, TParamOut> : IConnector<TParamIn, TParamOut>
     {
         /// <summary>
         ///     标识Connector的连接关键字
diff --git a/Modbus.Net/src/Base.Common/IConnector.cs b/Modbus.Net/src/Base.Common/IConnector.cs
new file mode 100644
index 0000000..0a73e86
--- /dev/null
+++ b/Modbus.Net/src/Base.Common/IConnector.cs
@@ -0,0 +1,66 @@
+using System.Threading.Tasks;
+
+namespace Modbus.Net
+{
+    /// <summary>
+    ///     ������Э�����ӽӿ�
+    /// </summary>
+    public interface IConnector<TParamIn, TParamOut>
+    {
+        /// <summary>
+        ///     ��ʶConnector�����ӹؼ���
+        /// </summary>
+        string ConnectionToken { get; }
+
+        /// <summary>
+        ///     �Ƿ�������״̬
+        /// </summary>
+        bool IsConnected { get; }
+
+        /// <summary>
+        ///     ����PLC
+        /// </summary>
+        /// <returns>�Ƿ����ӳɹ�</returns>
+        bool Connect();
+
+        /// <summary>
+        ///     ����PLC���첽
+        /// </summary>
+        /// <returns>�Ƿ����ӳɹ�</returns>
+        Task<bool> ConnectAsync();
+
+        /// <summary>
+        ///     �Ͽ�PLC
+        /// </summary>
+        /// <returns>�Ƿ�Ͽ��ɹ�</returns>
+        bool Disconnect();
+
+        /// <summary>
+        ///     �޷��ط�������
+        /// </summary>
+        /// <param name="message">��Ҫ���͵�����</param>
+        /// <returns>�Ƿ��ͳɹ�</returns>
+        bool SendMsgWithoutReturn(TParamIn message);
+
+        /// <summary>
+        ///     �޷��ط�������
+        /// </summary>
+        /// <param name="message">��Ҫ���͵�����</param>
+        /// <returns>�Ƿ��ͳɹ�</returns>
+        Task<bool> SendMsgWithoutReturnAsync(TParamIn message);
+
+        /// <summary>
+        ///     �����ط�������
+        /// </summary>
+        /// <param name="message">��Ҫ���͵�����</param>
+        /// <returns>�Ƿ��ͳɹ�</returns>
+        TParamOut SendMsg(TParamIn message);
+
+        /// <summary>
+        ///     �����ط�������
+        /// </summary>
+        /// <param name="message">��Ҫ���͵�����</param>
+        /// <returns>�Ƿ��ͳɹ�</returns>
+        Task<TParamOut> SendMsgAsync(TParamIn message);
+    }
+}
\ No newline at end of file
diff --git a/Modbus.Net/src/Base.Common/ProtocalLinker.cs b/Modbus.Net/src/Base.Common/ProtocalLinker.cs
index 9c9716c..8381e18 100644
--- a/Modbus.Net/src/Base.Common/ProtocalLinker.cs
+++ b/Modbus.Net/src/Base.Common/ProtocalLinker.cs
@@ -76,7 +76,7 @@ namespace Modbus.Net
         /// <summary>
         ///     传输连接器
         /// </summary>
-        protected BaseConnector<TParamIn, TParamOut> BaseConnector;
+        protected IConnector<TParamIn, TParamOut> BaseConnector;
 
         /// <summary>
         ///     连接设备