diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.Domain/EasyMicroservices.ContentsMicroservice.Domain.csproj b/src/CSharp/EasyMicroservices.ContentsMicroservice.Domain/EasyMicroservices.ContentsMicroservice.Domain.csproj
index b042368..761de4b 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.Domain/EasyMicroservices.ContentsMicroservice.Domain.csproj
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.Domain/EasyMicroservices.ContentsMicroservice.Domain.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="EasyMicroservices.Cores.AspEntityFrameworkCoreApi" Version="0.0.1.4" />
+    <PackageReference Include="EasyMicroservices.Cores.AspEntityFrameworkCoreApi" Version="0.0.1.43" />
   </ItemGroup>
 
 </Project>
diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.Tests/EasyMicroservices.ContentsMicroservice.Tests.csproj b/src/CSharp/EasyMicroservices.ContentsMicroservice.Tests/EasyMicroservices.ContentsMicroservice.Tests.csproj
index e587789..0b5953a 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.Tests/EasyMicroservices.ContentsMicroservice.Tests.csproj
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.Tests/EasyMicroservices.ContentsMicroservice.Tests.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="EasyMicroservices.ContentsMicroservice.Clients" Version="0.0.0.22" />
+    <PackageReference Include="EasyMicroservices.ContentsMicroservice.Clients" Version="0.0.0.23" />
     <PackageReference Include="EasyMicroservices.Tests" Version="*" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit" Version="2.6.1" />
diff --git a/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs b/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs
index f7e0a5d..cd5d43f 100644
--- a/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs
+++ b/src/CSharp/EasyMicroservices.ContentsMicroservice.WebApi/Controllers/ContentController.cs
@@ -4,6 +4,7 @@
 using EasyMicroservices.Cores.AspCoreApi;
 using EasyMicroservices.Cores.AspEntityFrameworkCoreApi.Interfaces;
 using EasyMicroservices.Cores.Contracts.Requests;
+using EasyMicroservices.Cores.DataTypes;
 using EasyMicroservices.ServiceContracts;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
@@ -85,7 +86,7 @@ public async Task<MessageContract<CategoryContract>> AddContentWithKey(AddConten
             Console.WriteLine($"try add {request.Key}!");
             using var categorylogic = unitOfWork.GetLongContractLogic<CategoryEntity, CreateCategoryRequestContract, UpdateCategoryRequestContract, CategoryContract>();
             using var contentlogic = unitOfWork.GetLongContractLogic<ContentEntity, CreateContentRequestContract, UpdateContentRequestContract, ContentContract>();
-            using var languageLogic = unitOfWork.GetLongContractLogic<LanguageEntity, LanguageContract>();
+            using var languageLogic = unitOfWork.GetLongContractLogic<LanguageEntity, LanguageContract>(UniqueIdentityStrategy.Full);
 
             var getCategoryResult = await categorylogic.GetByUniqueIdentity(request,
                 Cores.DataTypes.GetUniqueIdentityType.All