diff --git a/NewLife.Modbus/Drivers/ModbusDriver.cs b/NewLife.Modbus/Drivers/ModbusDriver.cs
index b6a8cfb..4639bfb 100644
--- a/NewLife.Modbus/Drivers/ModbusDriver.cs
+++ b/NewLife.Modbus/Drivers/ModbusDriver.cs
@@ -262,7 +262,7 @@ internal IDictionary<String, Object> Dispatch(IPoint[] points, IList<Segment> se
                 var count = GetCount(point);
 
                 // 找到片段 需要补充类型过滤参数避免不同类型相同地址取值错误问题
-                var seg = segments.FirstOrDefault(e => e.Address <= maddr.Address && maddr.Address + count <= e.Address + e.Count && e.ReadCode == maddr.Range.ReadCode);
+                var seg = segments.FirstOrDefault(e => e.Address <= maddr.Address && maddr.Address + count <= e.Address + e.Count && (maddr.Range == null || e.ReadCode == maddr.Range.ReadCode));
                 if (seg != null && seg.Data != null)
                 {
                     var code = seg.ReadCode;
diff --git a/NewLife.Modbus/NewLife.Modbus.csproj b/NewLife.Modbus/NewLife.Modbus.csproj
index c89a3f0..9f5ab7a 100644
--- a/NewLife.Modbus/NewLife.Modbus.csproj
+++ b/NewLife.Modbus/NewLife.Modbus.csproj
@@ -34,6 +34,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <PackageReadmeFile>Readme.MD</PackageReadmeFile>
   </PropertyGroup>
 
   <ItemGroup>
@@ -41,15 +42,20 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="NewLife.Core" Version="10.6.2024.101" />
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.IoT" Version="2.0.2024.101" />
+    <PackageReference Include="NewLife.IoT" Version="2.1.2024.203" />
   </ItemGroup>
 
   <ItemGroup>
     <Content Include="..\Doc\leaf.png" Link="leaf.png" PackagePath="\" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="..\Readme.MD">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+  </ItemGroup>
 
 </Project>
diff --git a/NewLife.ModbusRTU/NewLife.ModbusRTU.csproj b/NewLife.ModbusRTU/NewLife.ModbusRTU.csproj
index 046cddd..838bdee 100644
--- a/NewLife.ModbusRTU/NewLife.ModbusRTU.csproj
+++ b/NewLife.ModbusRTU/NewLife.ModbusRTU.csproj
@@ -34,6 +34,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <PackageReadmeFile>Readme.MD</PackageReadmeFile>
   </PropertyGroup>
 
   <ItemGroup>
@@ -41,7 +42,6 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="NewLife.Core" Version="10.6.2024.101" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)'=='net461' or '$(TargetFramework)'=='netstandard2.0' or '$(TargetFramework)'=='netstandard2.1'">
     <PackageReference Include="System.IO.Ports" Version="6.0.0" />
@@ -59,6 +59,12 @@
   <ItemGroup>
     <Content Include="..\Doc\leaf.png" Link="leaf.png" PackagePath="\" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="..\Readme.MD">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+  </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\NewLife.Modbus\NewLife.Modbus.csproj" />
diff --git a/Test/Test.csproj b/Test/Test.csproj
index 66f5e9a..6f19c1a 100644
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@@ -16,7 +16,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.6.2024.101" />
+    <PackageReference Include="NewLife.Core" Version="10.7.2024.202" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/WinModbus/WinModbus.csproj b/WinModbus/WinModbus.csproj
index 42b3cc1..efe30c9 100644
--- a/WinModbus/WinModbus.csproj
+++ b/WinModbus/WinModbus.csproj
@@ -18,7 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.6.2024.101" />
+    <PackageReference Include="NewLife.Core" Version="10.7.2024.202" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/XUnitTest/XUnitTest.csproj b/XUnitTest/XUnitTest.csproj
index e8ea18b..e1c1870 100644
--- a/XUnitTest/XUnitTest.csproj
+++ b/XUnitTest/XUnitTest.csproj
@@ -12,11 +12,11 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Moq" Version="4.20.70" />
-    <PackageReference Include="NewLife.Core" Version="10.6.2024.101" />
-    <PackageReference Include="xunit" Version="2.6.5" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+    <PackageReference Include="NewLife.Core" Version="10.7.2024.202" />
+    <PackageReference Include="xunit" Version="2.7.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>