diff --git a/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj b/Modbus.Net/Modbus.Net.Core/Modbus.Net.Core.csproj
index c473162..ab85ab0 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-beta3</Version>
+    <Version>1.3.9-beta1</Version>
     <Product>Modbus.Net</Product>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
diff --git a/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj b/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj
index 8e9385a..f07bfd1 100644
--- a/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj
+++ b/Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>Modbus.Net.Modbus</AssemblyName>
     <RootNamespace>Modbus.Net.Modbus</RootNamespace>
     <PackageId>Modbus.Net.Modbus</PackageId>
-    <Version>1.3.8-beta1</Version>
+    <Version>1.3.9-beta1</Version>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
     <Product>Modbus.Net.Modbus</Product>
diff --git a/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj b/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj
index df1c440..de8c511 100644
--- a/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj
+++ b/Modbus.Net/Modbus.Net.OPC/Modbus.Net.OPC.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>Modbus.Net.OPC</AssemblyName>
     <RootNamespace>Modbus.Net.OPC</RootNamespace>
     <PackageId>Modbus.Net.OPC</PackageId>
-    <Version>1.3.8-beta1</Version>
+    <Version>1.3.9-beta1</Version>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
     <Description>Modbus.Net OPC Implementation</Description>
@@ -35,9 +35,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Reference Include="System.Configuration">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Configuration.dll</HintPath>
-    </Reference>
+    <Reference Include="System.Configuration" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj b/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj
index fc381ae..0bfe60c 100644
--- a/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj
+++ b/Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>Modbus.Net.Siemens</AssemblyName>
     <RootNamespace>Modbus.Net.Siemens</RootNamespace>
     <PackageId>Modbus.Net.Siemens</PackageId>
-    <Version>1.3.8-beta1</Version>
+    <Version>1.3.9-beta1</Version>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
     <Description>Modbus.Net Siemens Profinet Implementation</Description>
@@ -30,9 +30,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Reference Include="System.Configuration">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Configuration.dll</HintPath>
-    </Reference>
+    <Reference Include="System.Configuration" />
   </ItemGroup>
   
 </Project>
\ 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 5acf3d2..3cc0c7b 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-beta2</Version>
+    <Version>1.3.9-beta1</Version>
     <Product>Modbus.Net</Product>
     <Authors>Chris L.(Luo Sheng)</Authors>
     <Company>Hangzhou Delian IoT Science Technology Co.,Ltd.</Company>
@@ -61,9 +61,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Reference Include="System.Configuration">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Configuration.dll</HintPath>
-    </Reference>
+    <Reference Include="System.Configuration" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Modbus.Net/src/Base.Common/BaseMachine.cs b/Modbus.Net/src/Base.Common/BaseMachine.cs
index ac83417..8d08945 100644
--- a/Modbus.Net/src/Base.Common/BaseMachine.cs
+++ b/Modbus.Net/src/Base.Common/BaseMachine.cs
@@ -591,6 +591,11 @@ namespace Modbus.Net
         /// </summary>
         public string ConnectionToken => BaseUtility.ConnectionToken;
 
+        /// <summary>
+        ///     获取设备的方法集合
+        /// </summary>
+        /// <typeparam name="TMachineMethod">方法集合的类型</typeparam>
+        /// <returns>设备的方法集合</returns>
         public TMachineMethod GetMachineMethods<TMachineMethod>() where TMachineMethod : class, IMachineMethod
         {
             if (this is TMachineMethod)