diff --git a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs
index 3759d2c..9e9db2e 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs
+++ b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/Authorizations/AspCoreAuthorization.cs
@@ -1,5 +1,6 @@
 using EasyMicroservices.Cores.AspCoreApi.Interfaces;
 using EasyMicroservices.Cores.Database.Interfaces;
+using EasyMicroservices.Cores.Interfaces;
 using EasyMicroservices.ServiceContracts;
 using EasyMicroservices.Utilities.Collections.Generic;
 using Microsoft.AspNetCore.Authorization;
@@ -23,9 +24,9 @@ public class AspCoreAuthorization : IAuthorization
         /// <summary>
         /// 
         /// </summary>
-        public AspCoreAuthorization(IUniqueIdentityManager uniqueIdentityManager)
+        public AspCoreAuthorization(IBaseUnitOfWork baseUnitOfWork)
         {
-            UniqueIdentityManager = uniqueIdentityManager;
+            UniqueIdentityManager = baseUnitOfWork.GetUniqueIdentityManager();
         }
 
         /// <summary>
diff --git a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
index 1764eb3..2275d2d 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
@@ -5,7 +5,7 @@
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.0.0.44</Version>
+    <Version>0.0.0.45</Version>
     <Description>asp core servces.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,services,asp,aspnet</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
index 5d84e48..91b5637 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
@@ -5,7 +5,7 @@
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.0.0.44</Version>
+    <Version>0.0.0.45</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.AspEntityFrameworkCoreApi/StartUpExtensions.cs b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/StartUpExtensions.cs
index 051d3a0..80c2506 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/StartUpExtensions.cs
+++ b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/StartUpExtensions.cs
@@ -1,12 +1,10 @@
-using EasyMicroservices.Cores.AspEntityFrameworkCoreApi.Interfaces;
+using EasyMicroservices.Cores.AspCoreApi.Authorizations;
+using EasyMicroservices.Cores.AspEntityFrameworkCoreApi.Interfaces;
 using EasyMicroservices.Cores.AspEntityFrameworkCoreApi.Middlewares;
+using EasyMicroservices.Cores.Interfaces;
 using EasyMicroservices.Cores.Relational.EntityFrameworkCore;
 using EasyMicroservices.Cores.Relational.EntityFrameworkCore.Builders;
-using EasyMicroservices.ServiceContracts;
-using EasyMicroservices.ServiceContracts.Exceptions;
 using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Diagnostics;
-using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.OpenApi.Any;
@@ -14,10 +12,7 @@
 using Swashbuckle.AspNetCore.SwaggerGen;
 using System;
 using System.Linq;
-using System.Net;
-using System.Net.Mime;
 using System.Text;
-using System.Text.Json;
 using System.Threading.Tasks;
 
 namespace EasyMicroservices.Cores.AspEntityFrameworkCoreApi
@@ -62,6 +57,7 @@ public static IServiceCollection Builder<TContext>(this IServiceCollection servi
 
             services.AddHttpContextAccessor();
             services.AddScoped<IUnitOfWork>(service => new UnitOfWork(service));
+            services.AddScoped<IBaseUnitOfWork, UnitOfWork>();
             services.AddScoped(service => new UnitOfWork(service).GetMapper());
             services.AddTransient<RelationalCoreContext>(serviceProvider => serviceProvider.GetService<TContext>());
             services.AddExceptionHandler((option) =>
@@ -97,19 +93,22 @@ public static async Task Build<TContext>(this IApplicationBuilder app)
                 var dbbuilder = new DatabaseCreator();
                 using var context = scope.ServiceProvider.GetRequiredService<TContext>();
                 dbbuilder.Initialize(context);
-                if (WhiteLabelRoute.HasValue() || ConfigName.HasValue())
+                if (WhiteLabelRoute.HasValue() || WhiteLabelConfigName.HasValue())
                 {
                     using var uow = scope.ServiceProvider.GetRequiredService<IUnitOfWork>() as UnitOfWork;
-                    await uow.Initialize(MicroserviceName, config.GetValue<string>(ConfigName), typeof(TContext)).ConfigureAwait(false);
+                    await uow.Initialize(MicroserviceName, config.GetValue<string>(WhiteLabelConfigName), typeof(TContext)).ConfigureAwait(false);
                 }
+                if (AuthenticationConfigName.HasValue())
+                    AspCoreAuthorization.AuthenticationRouteAddress = config.GetValue<string>(AuthenticationConfigName);
             }
             var build = app.Build();
             app.Run(build);
         }
 
         private static string MicroserviceName = default;
-        private static string ConfigName = default;
+        private static string WhiteLabelConfigName = default;
         private static string WhiteLabelRoute = default;
+        private static string AuthenticationConfigName = default;
         /// <summary>
         /// 
         /// </summary>
@@ -118,7 +117,16 @@ public static async Task Build<TContext>(this IApplicationBuilder app)
         public static void AddWhiteLabel(string microserviceName, string configName)
         {
             MicroserviceName = microserviceName;
-            ConfigName = configName;
+            WhiteLabelConfigName = configName;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="configName"></param>
+        public static void AddAuthentication(string configName)
+        {
+            AuthenticationConfigName = configName;
         }
 
         /// <summary>
@@ -170,11 +178,13 @@ public static async Task<WebApplication> Build<TContext>(this WebApplicationBuil
                 using var context = scope.ServiceProvider.GetRequiredService<TContext>();
                 dbbuilder.Initialize(context);
                 using var uow = scope.ServiceProvider.GetRequiredService<IUnitOfWork>() as UnitOfWork;
-                if (WhiteLabelRoute.HasValue() || ConfigName.HasValue())
+                if (WhiteLabelRoute.HasValue() || WhiteLabelConfigName.HasValue())
                 {
-                    var value = WhiteLabelRoute ?? config.GetValue<string>(ConfigName);
-                    await uow.Initialize(MicroserviceName, WhiteLabelRoute ?? config.GetValue<string>(ConfigName), typeof(TContext)).ConfigureAwait(false);
+                    var value = WhiteLabelRoute ?? config.GetValue<string>(WhiteLabelConfigName);
+                    await uow.Initialize(MicroserviceName, WhiteLabelRoute ?? config.GetValue<string>(WhiteLabelConfigName), typeof(TContext)).ConfigureAwait(false);
                 }
+                if (AuthenticationConfigName.HasValue())
+                    AspCoreAuthorization.AuthenticationRouteAddress = config.GetValue<string>(AuthenticationConfigName);
             }
             return build;
         }
diff --git a/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj b/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj
index 511c03a..0d0782e 100644
--- a/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.Contracts/EasyMicroservices.Cores.Contracts.csproj
@@ -5,7 +5,7 @@
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.0.0.44</Version>
+    <Version>0.0.0.45</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 cc54778..19db835 100644
--- a/src/CSharp/EasyMicroservices.Cores.Database/EasyMicroservices.Cores.Database.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.Database/EasyMicroservices.Cores.Database.csproj
@@ -5,7 +5,7 @@
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.0.0.44</Version>
+    <Version>0.0.0.45</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 280cc35..3ac7997 100644
--- a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
@@ -5,7 +5,7 @@
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.0.0.44</Version>
+    <Version>0.0.0.45</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 e7cf1b6..f0e2783 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
@@ -5,7 +5,7 @@
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.0.0.44</Version>
+    <Version>0.0.0.45</Version>
     <Description>ef core of Relational database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,ef,efcore,Relational</PackageTags>