diff --git a/build/OSharpNS.nuspec b/build/OSharpNS.nuspec
index 99b97f680..a3a3bf04c 100644
--- a/build/OSharpNS.nuspec
+++ b/build/OSharpNS.nuspec
@@ -2,8 +2,8 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
   <metadata>
     <id>OSharpNS</id>
-    <version>3.1.1</version>
-    <title>OSharpFramework(.NETCoreApp3.0)</title>
+    <version>3.1.2-preview2.27</version>
+    <title>OSharpFramework(.NETCoreApp3.1)</title>
     <authors>柳柳软件(66soft.net)</authors>
     <owners>柳柳软件(66soft.net)</owners>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
@@ -11,24 +11,15 @@
     <projectUrl>https://github.com/i66soft/osharp</projectUrl>
     <iconUrl>https://en.gravatar.com/userimage/140788132/0ff3b1e68fa0154337b1528c4276e276.png?size=80</iconUrl>
     <description>OSharp Framework with .NETCoreApp3.0，此Package包含了OSharpNS的所有常用组件</description>
-    <copyright>Copyright @ 66SOFT 2014-2019</copyright>
+    <copyright>Copyright @ 66SOFT 2014-2020</copyright>
     <tags>osharp osharpns</tags>
     <dependencies>
-      <group targetFramework=".NETCoreApp2.2">
-        <dependency id="OSharpNS.Core" version="3.1.1" />
-        <dependency id="OSharpNS.EntityFrameworkCore" version="3.1.1" />
-        <dependency id="OSharpNS.EntityFrameworkCore.SqlServer" version="3.1.1" />
-        <dependency id="OSharpNS.AutoMapper" version="3.1.1" />
-        <dependency id="OSharpNS.AspNetCore" version="3.1.1" />
-        <dependency id="OSharpNS.Log4Net" version="3.1.1" />
-      </group>
       <group targetFramework=".NETCoreApp3.1">
-        <dependency id="OSharpNS.Core" version="3.1.1" />
-        <dependency id="OSharpNS.EntityFrameworkCore" version="3.1.1" />
-        <dependency id="OSharpNS.EntityFrameworkCore.SqlServer" version="3.1.1" />
-        <dependency id="OSharpNS.AutoMapper" version="3.1.1" />
-        <dependency id="OSharpNS.AspNetCore" version="3.1.1" />
-        <dependency id="OSharpNS.Log4Net" version="3.1.1" />
+        <dependency id="OSharpNS.Core" version="3.1.2-preview2.27" />
+        <dependency id="OSharpNS.EntityFrameworkCore" version="3.1.2-preview2.27" />
+        <dependency id="OSharpNS.AutoMapper" version="3.1.2-preview2.27" />
+        <dependency id="OSharpNS.AspNetCore" version="3.1.2-preview2.27" />
+        <dependency id="OSharpNS.Log4Net" version="3.1.2-preview2.27" />
       </group>
     </dependencies>
   </metadata>
diff --git a/build/build-pack.bat b/build/build-pack.bat
index 7e66d45ee..e69adb51a 100644
--- a/build/build-pack.bat
+++ b/build/build-pack.bat
@@ -1,5 +1,5 @@
 del /f /s /q nupkgs\*.*
-rd /s /q nupkgs
+
 dotnet build ../osharp.sln -c Release
 
 dotnet pack ../src/OSharp/OSharp.csproj -c Release --output nupkgs
@@ -20,5 +20,7 @@ dotnet pack ../src/OSharp.Redis/OSharp.Redis.csproj -c Release --output nupkgs
 dotnet pack ../src/OSharp.Swagger/OSharp.Swagger.csproj -c Release --output nupkgs
 dotnet pack ../src/OSharp.Wpf/OSharp.Wpf.csproj -c Release --output nupkgs
 
+nuget.exe pack ./osharpns.nuspec -OutputDirectory nupkgs
+
 start "" nupkgs
 exit
\ No newline at end of file
diff --git a/build/nuget.exe b/build/nuget.exe
new file mode 100644
index 000000000..f74bfff7f
Binary files /dev/null and b/build/nuget.exe differ
diff --git a/samples/web/Liuliu.Demo.Web/Liuliu.Demo.Web.csproj b/samples/web/Liuliu.Demo.Web/Liuliu.Demo.Web.csproj
index 46ac580a9..9d510fc94 100644
--- a/samples/web/Liuliu.Demo.Web/Liuliu.Demo.Web.csproj
+++ b/samples/web/Liuliu.Demo.Web/Liuliu.Demo.Web.csproj
@@ -33,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="3.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="3.1.2" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.1" />
   </ItemGroup>
 
diff --git a/src/OSharp.AspNetCore/OSharp.AspNetCore.csproj b/src/OSharp.AspNetCore/OSharp.AspNetCore.csproj
index 666c01ad1..d3f79d315 100644
--- a/src/OSharp.AspNetCore/OSharp.AspNetCore.csproj
+++ b/src/OSharp.AspNetCore/OSharp.AspNetCore.csproj
@@ -18,9 +18,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Authorization" Version="3.1.1" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.1" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="3.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Authorization" Version="3.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="3.1.2" />
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
diff --git a/src/OSharp/Authorization/FunctionRequirement.cs b/src/OSharp.Authorization.Functions/FunctionRequirement.cs
similarity index 100%
rename from src/OSharp/Authorization/FunctionRequirement.cs
rename to src/OSharp.Authorization.Functions/FunctionRequirement.cs
diff --git a/src/OSharp.Authorization.Functions/OSharp.Authorization.Functions.csproj b/src/OSharp.Authorization.Functions/OSharp.Authorization.Functions.csproj
index 02b87702a..038e6df2a 100644
--- a/src/OSharp.Authorization.Functions/OSharp.Authorization.Functions.csproj
+++ b/src/OSharp.Authorization.Functions/OSharp.Authorization.Functions.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Authorization" Version="3.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Authorization" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.AutoMapper/OSharp.AutoMapper.csproj b/src/OSharp.AutoMapper/OSharp.AutoMapper.csproj
index a5a5d4741..67e95f3df 100644
--- a/src/OSharp.AutoMapper/OSharp.AutoMapper.csproj
+++ b/src/OSharp.AutoMapper/OSharp.AutoMapper.csproj
@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="9.0.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.EntityFrameworkCore.PostgreSql/OSharp.EntityFrameworkCore.PostgreSql.csproj b/src/OSharp.EntityFrameworkCore.PostgreSql/OSharp.EntityFrameworkCore.PostgreSql.csproj
index db2383a47..5b9e8be0b 100644
--- a/src/OSharp.EntityFrameworkCore.PostgreSql/OSharp.EntityFrameworkCore.PostgreSql.csproj
+++ b/src/OSharp.EntityFrameworkCore.PostgreSql/OSharp.EntityFrameworkCore.PostgreSql.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.1.2" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.EntityFrameworkCore.SqlServer/OSharp.EntityFrameworkCore.SqlServer.csproj b/src/OSharp.EntityFrameworkCore.SqlServer/OSharp.EntityFrameworkCore.SqlServer.csproj
index 102348269..aa6960f6a 100644
--- a/src/OSharp.EntityFrameworkCore.SqlServer/OSharp.EntityFrameworkCore.SqlServer.csproj
+++ b/src/OSharp.EntityFrameworkCore.SqlServer/OSharp.EntityFrameworkCore.SqlServer.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.EntityFrameworkCore.Sqlite/OSharp.EntityFrameworkCore.Sqlite.csproj b/src/OSharp.EntityFrameworkCore.Sqlite/OSharp.EntityFrameworkCore.Sqlite.csproj
index 713828e01..ca728e387 100644
--- a/src/OSharp.EntityFrameworkCore.Sqlite/OSharp.EntityFrameworkCore.Sqlite.csproj
+++ b/src/OSharp.EntityFrameworkCore.Sqlite/OSharp.EntityFrameworkCore.Sqlite.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.EntityFrameworkCore/OSharp.EntityFrameworkCore.csproj b/src/OSharp.EntityFrameworkCore/OSharp.EntityFrameworkCore.csproj
index 7cfdfd0cb..07e686cad 100644
--- a/src/OSharp.EntityFrameworkCore/OSharp.EntityFrameworkCore.csproj
+++ b/src/OSharp.EntityFrameworkCore/OSharp.EntityFrameworkCore.csproj
@@ -18,10 +18,13 @@
 
   <ItemGroup>
     <PackageReference Include="Dapper" Version="2.0.30" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="3.1.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.1" />
-    <PackageReference Include="Z.EntityFramework.Plus.EFCore" Version="3.0.33" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="3.1.2" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.2" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Z.EntityFramework.Plus.EFCore" Version="3.0.40" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.Identity/OSharp.Identity.csproj b/src/OSharp.Identity/OSharp.Identity.csproj
index 0521fc929..c45c58fcf 100644
--- a/src/OSharp.Identity/OSharp.Identity.csproj
+++ b/src/OSharp.Identity/OSharp.Identity.csproj
@@ -18,8 +18,8 @@
 
   <ItemGroup>
     <PackageReference Include="Authentication.GitHub.Core" Version="1.0.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.1" />
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.MicrosoftAccount" Version="3.1.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.MicrosoftAccount" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.Redis/OSharp.Redis.csproj b/src/OSharp.Redis/OSharp.Redis.csproj
index a1f0a5b6f..8b14d9daf 100644
--- a/src/OSharp.Redis/OSharp.Redis.csproj
+++ b/src/OSharp.Redis/OSharp.Redis.csproj
@@ -16,7 +16,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)'=='netstandard2.1'">
-    <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp.Wpf/OSharp.Wpf.csproj b/src/OSharp.Wpf/OSharp.Wpf.csproj
index c03686a9e..a3dd19fc8 100644
--- a/src/OSharp.Wpf/OSharp.Wpf.csproj
+++ b/src/OSharp.Wpf/OSharp.Wpf.csproj
@@ -16,10 +16,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentValidation" Version="8.6.0" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="3.1.1" />
+    <PackageReference Include="FluentValidation" Version="8.6.1" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="3.1.2" />
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.7.0" />
-    <PackageReference Include="Stylet" Version="1.3.0" />
+    <PackageReference Include="Stylet" Version="1.3.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OSharp/OSharp.csproj b/src/OSharp/OSharp.csproj
index 65aac8bc7..0fdf46910 100644
--- a/src/OSharp/OSharp.csproj
+++ b/src/OSharp/OSharp.csproj
@@ -24,7 +24,6 @@
 
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2019.1.3" />
-    <PackageReference Include="Microsoft.AspNetCore.Authorization" Version="3.1.1" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="System.ComponentModel" Version=" 4.3.0" />
@@ -34,15 +33,15 @@
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="4.7.0" />
     <PackageReference Include="System.Security.Cryptography.Algorithms" Version="4.3.1" />
     <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="5.2.7" />
-    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/Liuliu.Demo.Core.Tests/Liuliu.Demo.Core.Tests.csproj b/tests/Liuliu.Demo.Core.Tests/Liuliu.Demo.Core.Tests.csproj
index 425b75596..08a337a79 100644
--- a/tests/Liuliu.Demo.Core.Tests/Liuliu.Demo.Core.Tests.csproj
+++ b/tests/Liuliu.Demo.Core.Tests/Liuliu.Demo.Core.Tests.csproj
@@ -7,10 +7,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
-    <PackageReference Include="coverlet.collector" Version="1.1.0">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
+    <PackageReference Include="coverlet.collector" Version="1.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/tests/OSharp.AspNetCore.Tests/OSharp.AspNetCore.Tests.csproj b/tests/OSharp.AspNetCore.Tests/OSharp.AspNetCore.Tests.csproj
index c205712bf..c1aab0f5f 100644
--- a/tests/OSharp.AspNetCore.Tests/OSharp.AspNetCore.Tests.csproj
+++ b/tests/OSharp.AspNetCore.Tests/OSharp.AspNetCore.Tests.csproj
@@ -7,11 +7,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
     <PackageReference Include="Shouldly" Version="3.0.2" />
-    <PackageReference Include="coverlet.collector" Version="1.1.0">
+    <PackageReference Include="coverlet.collector" Version="1.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/tests/OSharp.Tests/OSharp.Tests.csproj b/tests/OSharp.Tests/OSharp.Tests.csproj
index 49a147045..51742fbfd 100644
--- a/tests/OSharp.Tests/OSharp.Tests.csproj
+++ b/tests/OSharp.Tests/OSharp.Tests.csproj
@@ -6,10 +6,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
-    <PackageReference Include="coverlet.collector" Version="1.1.0">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
+    <PackageReference Include="coverlet.collector" Version="1.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/tests/OSharp.UnitTest.Infrastructure/OSharp.UnitTest.Infrastructure.csproj b/tests/OSharp.UnitTest.Infrastructure/OSharp.UnitTest.Infrastructure.csproj
index 03b77778f..ae4e81a8e 100644
--- a/tests/OSharp.UnitTest.Infrastructure/OSharp.UnitTest.Infrastructure.csproj
+++ b/tests/OSharp.UnitTest.Infrastructure/OSharp.UnitTest.Infrastructure.csproj
@@ -6,10 +6,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
-    <PackageReference Include="coverlet.collector" Version="1.1.0">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
+    <PackageReference Include="coverlet.collector" Version="1.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -17,7 +17,7 @@
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <PackageReference Include="NSubstitute" Version="4.2.1" />
     <PackageReference Include="Shouldly" Version="3.0.2" />
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.0" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.2" />
   </ItemGroup>
 
   <ItemGroup>