diff --git a/SmartA4/SmartA4.csproj b/SmartA4/SmartA4.csproj
index fabe4a8..41dd031 100644
--- a/SmartA4/SmartA4.csproj
+++ b/SmartA4/SmartA4.csproj
@@ -44,8 +44,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.IoT" Version="1.8.2023.711" />
-    <PackageReference Include="NewLife.ModbusRTU" Version="1.6.2023.511" />
+    <PackageReference Include="NewLife.IoT" Version="1.9.2023.726-beta0137" />
+    <PackageReference Include="NewLife.ModbusRTU" Version="1.6.2023.711-beta1735" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/XUnitTest/XUnitTest.csproj b/XUnitTest/XUnitTest.csproj
index 6fd841c..4f466a3 100644
--- a/XUnitTest/XUnitTest.csproj
+++ b/XUnitTest/XUnitTest.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageReference Include="NewLife.UnitTest" Version="1.0.2023.311-beta1027" />
+    <PackageReference Include="NewLife.UnitTest" Version="1.0.2023.718" />
     <PackageReference Include="System.Speech" Version="7.0.0" />
     <PackageReference Include="xunit" Version="2.5.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">