diff --git a/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationServiceExtensions.cs b/src/Volo.Abp.Authorization/Microsoft/AspNetCore/Authorization/AbpAuthorizationServiceExtensions.cs
similarity index 94%
rename from src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationServiceExtensions.cs
rename to src/Volo.Abp.Authorization/Microsoft/AspNetCore/Authorization/AbpAuthorizationServiceExtensions.cs
index 637c82b040..8ddbc4fe72 100644
--- a/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationServiceExtensions.cs
+++ b/src/Volo.Abp.Authorization/Microsoft/AspNetCore/Authorization/AbpAuthorizationServiceExtensions.cs
@@ -1,15 +1,15 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Authorization;
+using Volo.Abp;
+using Volo.Abp.Authorization;
 
-namespace Volo.Abp.Authorization
+namespace Microsoft.AspNetCore.Authorization
 {
     public static class AbpAuthorizationServiceExtensions
     {
         public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService authorizationService, string policyName)
         {
-            return authorizationService.AuthorizeAsync(
-                authorizationService.AsAbpAuthorizationService().CurrentPrincipal,
+            return AuthorizeAsync(authorizationService, authorizationService.AsAbpAuthorizationService().CurrentPrincipal,
                 policyName
             );
         }
@@ -34,8 +34,7 @@ namespace Volo.Abp.Authorization
 
         public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService authorizationService, AuthorizationPolicy policy)
         {
-            return authorizationService.AuthorizeAsync(
-                authorizationService.AsAbpAuthorizationService().CurrentPrincipal,
+            return AuthorizeAsync(authorizationService, authorizationService.AsAbpAuthorizationService().CurrentPrincipal,
                 policy
             );
         }
diff --git a/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationPolicyProvider.cs b/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationPolicyProvider.cs
index e573c70c58..f636877fc1 100644
--- a/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationPolicyProvider.cs
+++ b/src/Volo.Abp.Authorization/Volo/Abp/Authorization/AbpAuthorizationPolicyProvider.cs
@@ -25,17 +25,22 @@ namespace Volo.Abp.Authorization
 
         public override async Task<AuthorizationPolicy> GetPolicyAsync(string policyName)
         {
-            var permission = _permissionDefinitionManager.GetOrNull(policyName);
+            var policy = await base.GetPolicyAsync(policyName);
+            if (policy != null)
+            {
+                return policy;
+            }
 
-            if (permission == null)
+            var permission = _permissionDefinitionManager.GetOrNull(policyName);
+            if (permission != null)
             {
-                return await base.GetPolicyAsync(policyName);
+                //TODO: Optimize & Cache!
+                var policyBuilder = new AuthorizationPolicyBuilder(Array.Empty<string>());
+                policyBuilder.Requirements.Add(new PermissionRequirement(policyName));
+                return policyBuilder.Build();
             }
 
-            //TODO: Optimize & Cache!
-            var policyBuilder = new AuthorizationPolicyBuilder(Array.Empty<string>());
-            policyBuilder.Requirements.Add(new PermissionRequirement(policyName));
-            return policyBuilder.Build();
+            return null;
         }
 
         public Task<List<string>> GetPoliciesNamesAsync()