diff --git a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs
index c52cad1..67ffdea 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs
+++ b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs
@@ -5,17 +5,14 @@
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Mvc.Controllers;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
-using System.Data;
 using System.Linq;
-using System.Net.Http;
 using System.Reflection;
 using System.Security.Claims;
-using System.Text;
-using System.Text.Json;
 using System.Threading.Tasks;
 using ServicePermissionContract = Authentications.GeneratedServices.ServicePermissionContract;
 namespace EasyMicroservices.Cores.AspCoreApi.Authorizations
@@ -95,12 +92,22 @@ void AddToTreeDictionary(string roleName, ICollection<ServicePermissionContract>
             }
         }
 
+        static Endpoint GetEndpoint(HttpContext context)
+        {
+#if (NETSTANDARD)
+            return context.Features.Get<IEndpointFeature>()?.Endpoint;
+#else
+            return context.GetEndpoint();
+#endif
+
+        }
+
         MessageContract<bool> IsAnonymousMethodCalling(HttpContext httpContext)
         {
-            var endpoints = httpContext.GetEndpoint();
+            var endpoints = GetEndpoint(httpContext);
             if (endpoints == null)
                 return true;
-            var controllerActionDescriptor = httpContext.GetEndpoint().Metadata.GetMetadata<ControllerActionDescriptor>();
+            var controllerActionDescriptor = endpoints.Metadata.GetMetadata<ControllerActionDescriptor>();
             if (controllerActionDescriptor == null)
                 return (FailedReasonType.Nothing, "controllerActionDescriptor is null or empty, did you sent correct route to me?");
             if (controllerActionDescriptor.ControllerTypeInfo.GetCustomAttributes(typeof(AllowAnonymousAttribute)).Any() ||
@@ -116,8 +123,9 @@ async Task<MessageContract<bool>> HasPermission(HttpContext httpContext)
                 return isAnonymousMethodCalling;
             else if (isAnonymousMethodCalling.Result)
                 return true;
-            string controllerName = httpContext.Request.RouteValues["controller"].ToString();
-            string actionName = httpContext.Request.RouteValues["action"].ToString();
+            var actionDescriptor = GetEndpoint(httpContext)?.Metadata?.GetMetadata<ControllerActionDescriptor>();
+            string controllerName = actionDescriptor.ControllerName;
+            string actionName = actionDescriptor.ActionName;
             List<Claim> roleClaims = httpContext.User.FindAll(ClaimTypes.Role).ToList();
             if (roleClaims.Count == 0)
                 return (FailedReasonType.AccessDenied, $"There is no claim role founded! did you forgot to use services.AddAuthentication? or did you set Bearer for authorize? controllerName: {controllerName} actionName: {actionName}");
diff --git a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
index 0909e71..904c2dd 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
@@ -1,10 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.1;net6.0;net7.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>asp core servces.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,services,asp,aspnet</PackageTags>
@@ -14,11 +14,7 @@
     <DocumentationFile>.\bin\$(Configuration)\$(TargetFramework)\EasyMicroservices.Cores.AspCoreApi.xml</DocumentationFile>
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
-
-  <ItemGroup>
-    <FrameworkReference Include="Microsoft.AspNetCore.App" />
-  </ItemGroup>
-
+  
   <ItemGroup>
     <ProjectReference Include="..\EasyMicroservices.Cores.Database\EasyMicroservices.Cores.Database.csproj" />
     <None Include="..\..\..\README.md" Pack="true" PackagePath="\" />
@@ -28,6 +24,24 @@
     <PackageReference Include="EasyMicroservices.AuthenticationsMicroservice.Clients" Version="*" />
   </ItemGroup>
 
+  <Choose>
+    <When Condition=" '$(TargetFramework)' == 'netstandard2.1'">
+      <ItemGroup>
+        <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.Abstractions" Version="2.2.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Authorization" Version="8.0.1" />
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />
+        <PackageReference Include="System.Text.Json" Version="8.0.1" />
+        <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+       <ItemGroup>
+         <FrameworkReference Include="Microsoft.AspNetCore.App" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
+  
   <ItemGroup>
     <Folder Include="Attributes\" />
   </ItemGroup>
diff --git a/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
index a3839aa..e4bfc28 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>asp core servces.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,services,asp,aspnet,aspcore,efcore</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.Clients/EasyMicroservices.Cores.Clients.csproj b/src/CSharp/EasyMicroservices.Cores.Clients/EasyMicroservices.Cores.Clients.csproj
index 5ce8b08..02cbd99 100644
--- a/src/CSharp/EasyMicroservices.Cores.Clients/EasyMicroservices.Cores.Clients.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.Clients/EasyMicroservices.Cores.Clients.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>core of database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,client,clients</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj b/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj
index 99881a7..016620d 100644
--- a/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>netstandard2.0;netstandard2.1;net45;net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>core contracts.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,contract,contracts,dto,dtos</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.Database/EasyMicroservices.Cores.Database.csproj b/src/CSharp/EasyMicroservices.Cores.Database/EasyMicroservices.Cores.Database.csproj
index ca4a297..adb6f46 100644
--- a/src/CSharp/EasyMicroservices.Cores.Database/EasyMicroservices.Cores.Database.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.Database/EasyMicroservices.Cores.Database.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>netstandard2.0;netstandard2.1;net45;net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>core of database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
index d192098..b56e08a 100644
--- a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
@@ -1,10 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.1;net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>ef core of database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,ef,efcore</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/EasyMicroservices.Cores.Relational.EntityFrameworkCore.csproj b/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/EasyMicroservices.Cores.Relational.EntityFrameworkCore.csproj
index 4f6b265..35a8948 100644
--- a/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/EasyMicroservices.Cores.Relational.EntityFrameworkCore.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/EasyMicroservices.Cores.Relational.EntityFrameworkCore.csproj
@@ -1,10 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.1;net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.1.1</Version>
+    <Version>0.0.1.2</Version>
     <Description>ef core of Relational database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,ef,efcore,Relational</PackageTags>
@@ -30,7 +30,11 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'net6.0'">
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.25" />
   </ItemGroup>
-
+  
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.1'">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="5.0.17" />
+  </ItemGroup>
+  
   <ItemGroup>
     <ProjectReference Include="..\EasyMicroservices.Cores.EntityFrameworkCore\EasyMicroservices.Cores.EntityFrameworkCore.csproj" />
     <None Include="..\..\..\README.md" Pack="true" PackagePath="\" />