diff --git a/Samples/DatabaseTest/DatabaseTest.csproj b/Samples/DatabaseTest/DatabaseTest.csproj
index b0a2b57..dc28835 100644
--- a/Samples/DatabaseTest/DatabaseTest.csproj
+++ b/Samples/DatabaseTest/DatabaseTest.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.XCode" Version="11.15.2024.806" />
+    <PackageReference Include="NewLife.XCode" Version="11.15.2024.902" />
   </ItemGroup>
 
 </Project>
diff --git a/Samples/NetClientTest/NetClientTest.csproj b/Samples/NetClientTest/NetClientTest.csproj
index de822ed..661718e 100644
--- a/Samples/NetClientTest/NetClientTest.csproj
+++ b/Samples/NetClientTest/NetClientTest.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.10.2024.803" />
+    <PackageReference Include="NewLife.Core" Version="10.10.2024.902" />
   </ItemGroup>
 
 </Project>
diff --git a/Samples/NetServerTest/NetServerTest.csproj b/Samples/NetServerTest/NetServerTest.csproj
index 4762d04..1bd87ae 100644
--- a/Samples/NetServerTest/NetServerTest.csproj
+++ b/Samples/NetServerTest/NetServerTest.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.10.2024.803" />
+    <PackageReference Include="NewLife.Core" Version="10.10.2024.902" />
   </ItemGroup>
 
 </Project>
diff --git a/Samples/Serial2NetClientTest/Serial2NetClientTest.csproj b/Samples/Serial2NetClientTest/Serial2NetClientTest.csproj
index 4fc59bb..f17dea2 100644
--- a/Samples/Serial2NetClientTest/Serial2NetClientTest.csproj
+++ b/Samples/Serial2NetClientTest/Serial2NetClientTest.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.10.2024.803" />
+    <PackageReference Include="NewLife.Core" Version="10.10.2024.902" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Samples/Serial2NetServerTest/Serial2NetServerTest.csproj b/Samples/Serial2NetServerTest/Serial2NetServerTest.csproj
index 529cd9d..c80491b 100644
--- a/Samples/Serial2NetServerTest/Serial2NetServerTest.csproj
+++ b/Samples/Serial2NetServerTest/Serial2NetServerTest.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.10.2024.803" />
+    <PackageReference Include="NewLife.Core" Version="10.10.2024.902" />
   </ItemGroup>
 
 </Project>
diff --git a/Samples/SerialTest/SerialTest.csproj b/Samples/SerialTest/SerialTest.csproj
index df9878a..be3fee3 100644
--- a/Samples/SerialTest/SerialTest.csproj
+++ b/Samples/SerialTest/SerialTest.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.10.2024.803" />
+    <PackageReference Include="NewLife.Core" Version="10.10.2024.902" />
     <PackageReference Include="NewLife.IoT" Version="2.2.2024.706" />
   </ItemGroup>