diff --git a/samples/BlazorWebAssemblySample/Server/Controllers/HomeController.cs b/samples/BlazorWebAssemblySample/Server/Controllers/HomeController.cs
index d8607c1..ef88c83 100644
--- a/samples/BlazorWebAssemblySample/Server/Controllers/HomeController.cs
+++ b/samples/BlazorWebAssemblySample/Server/Controllers/HomeController.cs
@@ -28,7 +28,7 @@ public string AttribRouteTest(string tenantId)
         }
 
         [HttpGet("BasicTest")]
-        [CasbinAuthorize(nameof(BasicTest), nameof(System.Net.Http.HttpMethod.Get))]
+        [CasbinAuthorize(nameof(BasicTest), "GET")]
         public string BasicTest()
         {
             return "You have passed the authentication test.";
diff --git a/samples/WebApplicationWithEfcoreSample/Startup.cs b/samples/WebApplicationWithEfcoreSample/Startup.cs
index e7cceab..3723e1f 100644
--- a/samples/WebApplicationWithEfcoreSample/Startup.cs
+++ b/samples/WebApplicationWithEfcoreSample/Startup.cs
@@ -10,7 +10,7 @@
 using System.IO;
 using System.Security.Claims;
 using Casbin.AspNetCore.Authorization.Transformers;
-using Casbin.Adapter.EFCore;
+using Casbin.Persist.Adapter.EFCore;
 using Casbin;
 
 namespace WebApplicationSample
diff --git a/samples/WebApplicationWithEfcoreSample/WebApplicationWithEfcoreSample.csproj b/samples/WebApplicationWithEfcoreSample/WebApplicationWithEfcoreSample.csproj
index 354d463..2b21432 100644
--- a/samples/WebApplicationWithEfcoreSample/WebApplicationWithEfcoreSample.csproj
+++ b/samples/WebApplicationWithEfcoreSample/WebApplicationWithEfcoreSample.csproj
@@ -16,7 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Casbin.NET.Adapter.EFCore" Version="1.8.1-build.40.preview.e9625de" />
+    <PackageReference Include="Casbin.NET.Adapter.EFCore" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="6.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="6.0.5" />
diff --git a/src/Casbin.AspNetCore.Abstractions/Casbin.AspNetCore.Abstractions.csproj b/src/Casbin.AspNetCore.Abstractions/Casbin.AspNetCore.Abstractions.csproj
index 394da45..e75d857 100644
--- a/src/Casbin.AspNetCore.Abstractions/Casbin.AspNetCore.Abstractions.csproj
+++ b/src/Casbin.AspNetCore.Abstractions/Casbin.AspNetCore.Abstractions.csproj
@@ -23,7 +23,7 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
-    <PackageReference Include="Casbin.NET" Version="2.0.0-preview.5" />
+    <PackageReference Include="Casbin.NET" Version="2.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Casbin.AspNetCore.Core/DefaultEnforcerProvider.cs b/src/Casbin.AspNetCore.Core/DefaultEnforcerProvider.cs
index b0858f9..75d10a0 100644
--- a/src/Casbin.AspNetCore.Core/DefaultEnforcerProvider.cs
+++ b/src/Casbin.AspNetCore.Core/DefaultEnforcerProvider.cs
@@ -3,7 +3,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using Casbin.Model;
-using Casbin.Adapter.File;
+using Casbin.Persist.Adapter.File;
 using Casbin.Persist;
 
 namespace Casbin.AspNetCore.Authorization