diff --git a/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Microsoft/AspNetCore/Authentication/OAuth/Claims/AbpClaimActionCollectionExtensions.cs b/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Microsoft/AspNetCore/Authentication/OAuth/Claims/AbpClaimActionCollectionExtensions.cs
index f51706113a..2ad72955af 100644
--- a/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Microsoft/AspNetCore/Authentication/OAuth/Claims/AbpClaimActionCollectionExtensions.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Microsoft/AspNetCore/Authentication/OAuth/Claims/AbpClaimActionCollectionExtensions.cs
@@ -11,12 +11,14 @@ namespace Microsoft.AspNetCore.Authentication.OAuth.Claims
             {
                 claimActions.MapJsonKey(AbpClaimTypes.UserName, "name");
                 claimActions.DeleteClaim("name");
+                claimActions.RemoveDuplicate(AbpClaimTypes.UserName);
             }
 
             if (AbpClaimTypes.Email != "email")
             {
                 claimActions.MapJsonKey(AbpClaimTypes.Email, "email");
                 claimActions.DeleteClaim("email");
+                claimActions.RemoveDuplicate(AbpClaimTypes.Email);
             }
 
             if (AbpClaimTypes.EmailVerified != "email_verified")
@@ -38,11 +40,18 @@ namespace Microsoft.AspNetCore.Authentication.OAuth.Claims
             {
                 claimActions.MapJsonKeyMultiple(AbpClaimTypes.Role, "role");
             }
+            
+            claimActions.RemoveDuplicate(AbpClaimTypes.Name);
         }
 
         public static void MapJsonKeyMultiple(this ClaimActionCollection claimActions, string claimType, string jsonKey)
         {
             claimActions.Add(new MultipleClaimAction(claimType, jsonKey));
         }
+        
+        public static void RemoveDuplicate(this ClaimActionCollection claimActions, string claimType)
+        {
+            claimActions.Add(new RemoveDuplicateClaimAction(claimType));
+        }
     }
 }
diff --git a/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/MultipleClaimAction.cs b/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/MultipleClaimAction.cs
index 0c3b05090c..66ca78026d 100644
--- a/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/MultipleClaimAction.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/MultipleClaimAction.cs
@@ -1,4 +1,5 @@
-using System.Security.Claims;
+using System.Linq;
+using System.Security.Claims;
 using System.Text.Json;
 using Microsoft.AspNetCore.Authentication.OAuth.Claims;
 
@@ -24,15 +25,24 @@ namespace Volo.Abp.AspNetCore.Authentication.OAuth.Claims
                 return;
             }
 
+            Claim claim;
             switch (prop.ValueKind)
             {
                 case JsonValueKind.String:
-                    identity.AddClaim(new Claim(ClaimType, prop.GetString(), ValueType, issuer));
+                    claim = new Claim(ClaimType, prop.GetString(), ValueType, issuer);
+                    if (!identity.Claims.Any(c => c.Type == claim.Type && c.Value == claim.Value))
+                    {
+                        identity.AddClaim(claim);
+                    }
                     break;
                 case JsonValueKind.Array:
                     foreach (var arramItem in prop.EnumerateArray())
                     {
-                        identity.AddClaim(new Claim(ClaimType, arramItem.GetString(), ValueType, issuer));
+                        claim = new Claim(ClaimType, arramItem.GetString(), ValueType, issuer);
+                        if (!identity.Claims.Any(c => c.Type == claim.Type && c.Value == claim.Value))
+                        {
+                            identity.AddClaim(claim);
+                        }
                     }
                     break;
                 default:
diff --git a/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/RemoveDuplicateClaimAction.cs b/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/RemoveDuplicateClaimAction.cs
new file mode 100644
index 0000000000..ab3e4027c2
--- /dev/null
+++ b/framework/src/Volo.Abp.AspNetCore.Authentication.OAuth/Volo/Abp/AspNetCore/Authentication/OAuth/Claims/RemoveDuplicateClaimAction.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Claims;
+using System.Text.Json;
+using Microsoft.AspNetCore.Authentication.OAuth.Claims;
+
+namespace Volo.Abp.AspNetCore.Authentication.OAuth.Claims
+{
+    public class RemoveDuplicateClaimAction : ClaimAction
+    {
+        public RemoveDuplicateClaimAction(string claimType)
+            : base(claimType, ClaimValueTypes.String)
+        {
+        }
+
+        /// <inheritdoc />
+        public override void Run(JsonElement userData, ClaimsIdentity identity, string issuer)
+        {
+            var claims = identity.Claims.Where(c => c.Type == ClaimType).ToArray();
+            if (claims.Length < 2)
+            {
+                return;
+            }
+
+            var previousValues = new List<string>();
+            foreach (var claim in claims)
+            {
+                if (claim.Value.IsIn(previousValues))
+                {
+                    identity.RemoveClaim(claim);
+                }
+                else
+                {
+                    previousValues.Add(claim.Value);
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/Permissions/RolePermissionValueProvider.cs b/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/Permissions/RolePermissionValueProvider.cs
index 25dffced76..87878fc5d6 100644
--- a/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/Permissions/RolePermissionValueProvider.cs
+++ b/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/Permissions/RolePermissionValueProvider.cs
@@ -26,7 +26,7 @@ namespace Volo.Abp.Authorization.Permissions
                 return PermissionGrantResult.Undefined;
             }
 
-            foreach (var role in roles)
+            foreach (var role in roles.Distinct())
             {
                 if (await PermissionStore.IsGrantedAsync(context.Permission.Name, Name, role))
                 {
@@ -50,7 +50,7 @@ namespace Volo.Abp.Authorization.Permissions
                 return result;
             }
 
-            foreach (var role in roles)
+            foreach (var role in roles.Distinct())
             {
                 var multipleResult = await PermissionStore.IsGrantedAsync(permissionNames.ToArray(), Name, role);
 
diff --git a/framework/src/Volo.Abp.Security/Volo/Abp/Users/CurrentUser.cs b/framework/src/Volo.Abp.Security/Volo/Abp/Users/CurrentUser.cs
index e769b9ec11..f0cfb4c284 100644
--- a/framework/src/Volo.Abp.Security/Volo/Abp/Users/CurrentUser.cs
+++ b/framework/src/Volo.Abp.Security/Volo/Abp/Users/CurrentUser.cs
@@ -31,7 +31,7 @@ namespace Volo.Abp.Users
 
         public virtual Guid? TenantId => _principalAccessor.Principal?.FindTenantId();
 
-        public virtual string[] Roles => FindClaims(AbpClaimTypes.Role).Select(c => c.Value).ToArray();
+        public virtual string[] Roles => FindClaims(AbpClaimTypes.Role).Select(c => c.Value).Distinct().ToArray();
 
         private readonly ICurrentPrincipalAccessor _principalAccessor;