diff --git a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/CoreContext.cs b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/CoreContext.cs
index 18eca7d..61d91b5 100644
--- a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/CoreContext.cs
+++ b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/CoreContext.cs
@@ -18,7 +18,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
             base.OnModelCreating(modelBuilder);
 
-            foreach (var entityType in Model.GetEntityTypes())
+            foreach (var entityType in modelBuilder.Model.GetEntityTypes())
             {
                 if (typeof(IUniqueIdentitySchema).IsAssignableFrom(entityType.ClrType))
                 {
diff --git a/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj b/src/CSharp/EasyMicroservices.Cores.EntityFrameworkCore/EasyMicroservices.Cores.EntityFrameworkCore.csproj
index eb74f52..4b3de1a 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>0.0.0.5</Version>
+    <Version>0.0.0.6</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 6c913a5..ed89ad5 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>0.0.0.2</Version>
+    <Version>0.0.0.3</Version>
     <Description>ef core of Relational database.</Description>
     <Copyright>EasyMicroservices@gmail.com</Copyright>
     <PackageTags>core,cores,base,database,ef,efcore,Relational</PackageTags>
diff --git a/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/RelationalCoreContext.cs b/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/RelationalCoreContext.cs
index cd7c48a..f92f733 100644
--- a/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/RelationalCoreContext.cs
+++ b/src/CSharp/EasyMicroservices.Cores.Relational.EntityFrameworkCore/RelationalCoreContext.cs
@@ -17,7 +17,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
             base.OnModelCreating(modelBuilder);
 
-            foreach (var entityType in Model.GetEntityTypes())
+            foreach (var entityType in modelBuilder.Model.GetEntityTypes())
             {
                 if (typeof(IUniqueIdentitySchema).IsAssignableFrom(entityType.ClrType))
                 {