diff --git a/.github/workflows/publish-beta.yml b/.github/workflows/publish-beta.yml
index 82cbe1b..f7e8193 100644
--- a/.github/workflows/publish-beta.yml
+++ b/.github/workflows/publish-beta.yml
@@ -14,11 +14,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+    - uses: actions/checkout@v4
+    - name: Setup dotNET
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 9.x
     - name: Restore
       run: |
         dotnet restore NewLife.Meter/NewLife.HttpMeter.csproj
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d48e28a..3cb09d4 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,11 +11,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+    - uses: actions/checkout@v4
+    - name: Setup dotNET
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 9.x
     - name: Restore
       run: |
         dotnet restore NewLife.Meter/NewLife.HttpMeter.csproj
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 260b6e5..e2150e5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,11 +13,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+    - uses: actions/checkout@v4
+    - name: Setup dotNET
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 9.x
     - name: Build
       run: |
         dotnet build -c Release
diff --git a/HttpMeter/HttpMeter.csproj b/HttpMeter/HttpMeter.csproj
index 34e7c6b..eb5c1df 100644
--- a/HttpMeter/HttpMeter.csproj
+++ b/HttpMeter/HttpMeter.csproj
@@ -2,12 +2,12 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AssemblyTitle>Http压力测试</AssemblyTitle>
     <Description>Http压力测试工具</Description>
     <Company>新生命开发团队</Company>
-    <Copyright>©2002-2022 NewLife</Copyright>
-    <VersionPrefix>1.1</VersionPrefix>
+    <Copyright>©2002-2024 NewLife</Copyright>
+    <VersionPrefix>1.2</VersionPrefix>
     <VersionSuffix>$([System.DateTime]::Now.ToString(`yyyy.MMdd`))</VersionSuffix>
     <Version>$(VersionPrefix).$(VersionSuffix)</Version>
     <FileVersion>$(Version)</FileVersion>
diff --git a/NewLife.Meter/MeterWorker.cs b/NewLife.Meter/MeterWorker.cs
index 78207a2..df37d7b 100644
--- a/NewLife.Meter/MeterWorker.cs
+++ b/NewLife.Meter/MeterWorker.cs
@@ -1,8 +1,12 @@
 using System.Diagnostics;
+using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Text;
 using NewLife.Http;
 using NewLife.Log;
+#if !NET45
+using TaskEx = System.Threading.Tasks.Task;
+#endif
 
 namespace NewLife.HttpMeter;
 
@@ -107,7 +111,7 @@ protected virtual Task InitAsync()
             _content = File.ReadAllText(cfg.File.GetFullPath());
         }
 
-        return Task.CompletedTask;
+        return TaskEx.CompletedTask;
     }
 
     /// <summary>处理单次请求</summary>
diff --git a/NewLife.Meter/NewLife.HttpMeter.csproj b/NewLife.Meter/NewLife.HttpMeter.csproj
index ff04576..1a40c70 100644
--- a/NewLife.Meter/NewLife.HttpMeter.csproj
+++ b/NewLife.Meter/NewLife.HttpMeter.csproj
@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net461;netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net45;net461;netstandard2.0;netstandard2.1</TargetFrameworks>
     <AssemblyTitle>Http压力测试组件</AssemblyTitle>
     <Description>高性能Http压力测试套装</Description>
     <Company>新生命开发团队</Company>
-    <Copyright>©2002-2022 新生命开发团队</Copyright>
-    <VersionPrefix>1.1</VersionPrefix>
+    <Copyright>©2002-2024 新生命开发团队</Copyright>
+    <VersionPrefix>1.2</VersionPrefix>
     <VersionSuffix>$([System.DateTime]::Now.ToString(`yyyy.MMdd`))</VersionSuffix>
     <Version>$(VersionPrefix).$(VersionSuffix)</Version>
     <FileVersion>$(Version)</FileVersion>
@@ -36,14 +36,14 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NewLife.Core" Version="10.0.2022.1101" />
+    <PackageReference Include="NewLife.Core" Version="11.0.2024.1001" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/XUnitTest/XUnitTest.csproj b/XUnitTest/XUnitTest.csproj
index 2c0ccff..d340a88 100644
--- a/XUnitTest/XUnitTest.csproj
+++ b/XUnitTest/XUnitTest.csproj
@@ -1,19 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <OutputPath>..\Bin\UnitTest</OutputPath>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
-    <PackageReference Include="NewLife.Core" Version="10.0.2022.1101" />
-    <PackageReference Include="NewLife.UnitTest" Version="1.0.2022.901" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="NewLife.Core" Version="11.0.2024.1001" />
+    <PackageReference Include="NewLife.UnitTest" Version="1.0.2024.1006" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>