diff --git a/Directory.Build.props b/Directory.Build.props
index 39e19fa..0ea478f 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -6,7 +6,10 @@
 		<!--Volo Abp 版本-->
 		<VoloAbpVersion>9.1.1</VoloAbpVersion>
 
-		<!--Dotnet Info 版本-->
-		<DotnetInfoVersion>9.0.0</DotnetInfoVersion> 
+		<!--Dotnet 组件 版本-->
+		<DotnetInfoVersion>9.0.0</DotnetInfoVersion>
+
+		<!--Dotnet 框架 版本-->
+		<DotnetTargetFrameworkVersion>net9.0</DotnetTargetFrameworkVersion>
 	</PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/gateways/JiShe.IoT.WebGateway/JiShe.IoT.WebGateway.csproj b/gateways/JiShe.IoT.WebGateway/JiShe.IoT.WebGateway.csproj
index ed9a587..19ffcf6 100644
--- a/gateways/JiShe.IoT.WebGateway/JiShe.IoT.WebGateway.csproj
+++ b/gateways/JiShe.IoT.WebGateway/JiShe.IoT.WebGateway.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/host/JiShe.IoT.HttpApi.Host/JiShe.IoT.HttpApi.Host.csproj b/host/JiShe.IoT.HttpApi.Host/JiShe.IoT.HttpApi.Host.csproj
index 3217c6d..e6de1b7 100644
--- a/host/JiShe.IoT.HttpApi.Host/JiShe.IoT.HttpApi.Host.csproj
+++ b/host/JiShe.IoT.HttpApi.Host/JiShe.IoT.HttpApi.Host.csproj
@@ -2,7 +2,7 @@
 
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
         <PreserveCompilationReferences>true</PreserveCompilationReferences>
         <UserSecretsId>JiShe.IoT-4681b4fd-151f-4221-84a4-929d86723e4c</UserSecretsId>
diff --git a/src/JiShe.IoT.Application.Contracts/JiShe.IoT.Application.Contracts.csproj b/src/JiShe.IoT.Application.Contracts/JiShe.IoT.Application.Contracts.csproj
index 32c5ee7..79bbac3 100644
--- a/src/JiShe.IoT.Application.Contracts/JiShe.IoT.Application.Contracts.csproj
+++ b/src/JiShe.IoT.Application.Contracts/JiShe.IoT.Application.Contracts.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
     </PropertyGroup>
 
diff --git a/src/JiShe.IoT.Application/JiShe.IoT.Application.csproj b/src/JiShe.IoT.Application/JiShe.IoT.Application.csproj
index 9412cc5..e867ee4 100644
--- a/src/JiShe.IoT.Application/JiShe.IoT.Application.csproj
+++ b/src/JiShe.IoT.Application/JiShe.IoT.Application.csproj
@@ -2,7 +2,7 @@
 
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
     </PropertyGroup>
 
diff --git a/src/JiShe.IoT.DbMigrator/JiShe.IoT.DbMigrator.csproj b/src/JiShe.IoT.DbMigrator/JiShe.IoT.DbMigrator.csproj
index 3f543e0..75c5323 100644
--- a/src/JiShe.IoT.DbMigrator/JiShe.IoT.DbMigrator.csproj
+++ b/src/JiShe.IoT.DbMigrator/JiShe.IoT.DbMigrator.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/JiShe.IoT.Domain.Shared/JiShe.IoT.Domain.Shared.csproj b/src/JiShe.IoT.Domain.Shared/JiShe.IoT.Domain.Shared.csproj
index 34c7217..8e3e2b7 100644
--- a/src/JiShe.IoT.Domain.Shared/JiShe.IoT.Domain.Shared.csproj
+++ b/src/JiShe.IoT.Domain.Shared/JiShe.IoT.Domain.Shared.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
         <GenerateEmbeddedFilesManifest>true</GenerateEmbeddedFilesManifest>
     </PropertyGroup>
diff --git a/src/JiShe.IoT.Domain/JiShe.IoT.Domain.csproj b/src/JiShe.IoT.Domain/JiShe.IoT.Domain.csproj
index e74523e..a8de89e 100644
--- a/src/JiShe.IoT.Domain/JiShe.IoT.Domain.csproj
+++ b/src/JiShe.IoT.Domain/JiShe.IoT.Domain.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
     </PropertyGroup>
 
diff --git a/src/JiShe.IoT.EntityFrameworkCore/JiShe.IoT.EntityFrameworkCore.csproj b/src/JiShe.IoT.EntityFrameworkCore/JiShe.IoT.EntityFrameworkCore.csproj
index 92cc77c..fdf0888 100644
--- a/src/JiShe.IoT.EntityFrameworkCore/JiShe.IoT.EntityFrameworkCore.csproj
+++ b/src/JiShe.IoT.EntityFrameworkCore/JiShe.IoT.EntityFrameworkCore.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
     </PropertyGroup>
 
diff --git a/src/JiShe.IoT.HttpApi.Client/JiShe.IoT.HttpApi.Client.csproj b/src/JiShe.IoT.HttpApi.Client/JiShe.IoT.HttpApi.Client.csproj
index 8325f77..f621e35 100644
--- a/src/JiShe.IoT.HttpApi.Client/JiShe.IoT.HttpApi.Client.csproj
+++ b/src/JiShe.IoT.HttpApi.Client/JiShe.IoT.HttpApi.Client.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
     </PropertyGroup>
 
diff --git a/src/JiShe.IoT.HttpApi/JiShe.IoT.HttpApi.csproj b/src/JiShe.IoT.HttpApi/JiShe.IoT.HttpApi.csproj
index 3cd70b5..2ebb2ba 100644
--- a/src/JiShe.IoT.HttpApi/JiShe.IoT.HttpApi.csproj
+++ b/src/JiShe.IoT.HttpApi/JiShe.IoT.HttpApi.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>net9.0</TargetFramework>
+		<TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
 		<RootNamespace>JiShe.IoT</RootNamespace>
 	</PropertyGroup>
 
diff --git a/test/JiShe.IoT.Application.Tests/JiShe.IoT.Application.Tests.csproj b/test/JiShe.IoT.Application.Tests/JiShe.IoT.Application.Tests.csproj
index 62dabdd..0e20cf2 100644
--- a/test/JiShe.IoT.Application.Tests/JiShe.IoT.Application.Tests.csproj
+++ b/test/JiShe.IoT.Application.Tests/JiShe.IoT.Application.Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
diff --git a/test/JiShe.IoT.Domain.Tests/JiShe.IoT.Domain.Tests.csproj b/test/JiShe.IoT.Domain.Tests/JiShe.IoT.Domain.Tests.csproj
index 51d711d..07bc26e 100644
--- a/test/JiShe.IoT.Domain.Tests/JiShe.IoT.Domain.Tests.csproj
+++ b/test/JiShe.IoT.Domain.Tests/JiShe.IoT.Domain.Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
diff --git a/test/JiShe.IoT.EntityFrameworkCore.Tests/JiShe.IoT.EntityFrameworkCore.Tests.csproj b/test/JiShe.IoT.EntityFrameworkCore.Tests/JiShe.IoT.EntityFrameworkCore.Tests.csproj
index efc6b15..58d5127 100644
--- a/test/JiShe.IoT.EntityFrameworkCore.Tests/JiShe.IoT.EntityFrameworkCore.Tests.csproj
+++ b/test/JiShe.IoT.EntityFrameworkCore.Tests/JiShe.IoT.EntityFrameworkCore.Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
diff --git a/test/JiShe.IoT.HttpApi.Client.ConsoleTestApp/JiShe.IoT.HttpApi.Client.ConsoleTestApp.csproj b/test/JiShe.IoT.HttpApi.Client.ConsoleTestApp/JiShe.IoT.HttpApi.Client.ConsoleTestApp.csproj
index e4ca46d..e0afb74 100644
--- a/test/JiShe.IoT.HttpApi.Client.ConsoleTestApp/JiShe.IoT.HttpApi.Client.ConsoleTestApp.csproj
+++ b/test/JiShe.IoT.HttpApi.Client.ConsoleTestApp/JiShe.IoT.HttpApi.Client.ConsoleTestApp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
 
diff --git a/test/JiShe.IoT.TestBase/JiShe.IoT.TestBase.csproj b/test/JiShe.IoT.TestBase/JiShe.IoT.TestBase.csproj
index 0c9eea8..9f91fd0 100644
--- a/test/JiShe.IoT.TestBase/JiShe.IoT.TestBase.csproj
+++ b/test/JiShe.IoT.TestBase/JiShe.IoT.TestBase.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>$(DotnetTargetFrameworkVersion)</TargetFramework>
         <RootNamespace>JiShe.IoT</RootNamespace>
         <IsPackable>false</IsPackable>
     </PropertyGroup>