diff --git a/src/CSharp/EasyMicroservices.Cores.AspCore.Tests/EasyMicroservices.Cores.AspCore.Tests.csproj b/src/CSharp/EasyMicroservices.Cores.AspCore.Tests/EasyMicroservices.Cores.AspCore.Tests.csproj
index 7b0f22a..87b852a 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspCore.Tests/EasyMicroservices.Cores.AspCore.Tests.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.AspCore.Tests/EasyMicroservices.Cores.AspCore.Tests.csproj
@@ -20,11 +20,13 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net6.0' or '$(TargetFramework)' == 'net7.0' ">
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="7.0.14" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.14" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.14" />
   </ItemGroup>
   
   <ItemGroup>
@@ -32,10 +34,4 @@
     <ProjectReference Include="..\EasyMicroservices.Cores.Tests\EasyMicroservices.Cores.Tests.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing">
-      <Version>7.0.14</Version>
-    </PackageReference>
-  </ItemGroup>
-
 </Project>
diff --git a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
index 516940c..ae81c82 100644
--- a/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.AspCoreApi/EasyMicroservices.Cores.AspCoreApi.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.0.51</Version>
+    <Version>0.0.0.52</Version>
     <Description>asp core servces.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,services,asp,aspnet</PackageTags>
@@ -25,7 +25,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="EasyMicroservices.AuthenticationsMicroservice.Clients" Version="0.0.0.10" />
+    <PackageReference Include="EasyMicroservices.AuthenticationsMicroservice.Clients" Version="0.0.0.14" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj b/src/CSharp/EasyMicroservices.Cores.AspEntityFrameworkCoreApi/EasyMicroservices.Cores.AspEntityFrameworkCoreApi.csproj
index 6dd8c81..ab7db8f 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>0.0.0.51</Version>
+    <Version>0.0.0.52</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/CoreSwaggerClientBase.cs b/src/CSharp/EasyMicroservices.Cores.Clients/CoreSwaggerClientBase.cs
index 41a9dcc..4bc9388 100644
--- a/src/CSharp/EasyMicroservices.Cores.Clients/CoreSwaggerClientBase.cs
+++ b/src/CSharp/EasyMicroservices.Cores.Clients/CoreSwaggerClientBase.cs
@@ -29,9 +29,10 @@ public void SetBearerToken(string token)
         /// <returns></returns>
         protected Task<HttpRequestMessage> CreateHttpRequestMessageAsync(CancellationToken cancellationToken)
         {
-            var msg = new HttpRequestMessage();
-            msg.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", BearerToken);
-            return Task.FromResult(msg);
+            var requestMesasge = new HttpRequestMessage();
+            if (BearerToken != null)
+                requestMesasge.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", BearerToken);
+            return Task.FromResult(requestMesasge);
         }
     }
 }
diff --git a/src/CSharp/EasyMicroservices.Cores.Clients/EasyMicroservices.Cores.Clients.csproj b/src/CSharp/EasyMicroservices.Cores.Clients/EasyMicroservices.Cores.Clients.csproj
index 79c633e..9ee7ccb 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>0.0.0.51</Version>
+    <Version>0.0.0.52</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 ee0d2bd..8bc4c99 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>0.0.0.51</Version>
+    <Version>0.0.0.52</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 b520e66..cea40b4 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>0.0.0.51</Version>
+    <Version>0.0.0.52</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 79ecb4c..d1f4147 100644
--- a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
+++ b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.0.51</Version>
+    <Version>0.0.0.52</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 ec83cac..51e23a2 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
@@ -4,7 +4,7 @@
     <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <Authors>EasyMicroservices</Authors>
-    <Version>0.0.0.51</Version>
+    <Version>0.0.0.52</Version>
     <Description>ef core of Relational database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,ef,efcore,Relational</PackageTags>