diff --git a/modules/permission-management/src/Volo.Abp.PermissionManagement.MongoDB/Volo/Abp/PermissionManagement/MongoDb/MongoPermissionGrantRepository.cs b/modules/permission-management/src/Volo.Abp.PermissionManagement.MongoDB/Volo/Abp/PermissionManagement/MongoDb/MongoPermissionGrantRepository.cs
index 713657e605..3f3cd13f15 100644
--- a/modules/permission-management/src/Volo.Abp.PermissionManagement.MongoDB/Volo/Abp/PermissionManagement/MongoDb/MongoPermissionGrantRepository.cs
+++ b/modules/permission-management/src/Volo.Abp.PermissionManagement.MongoDB/Volo/Abp/PermissionManagement/MongoDb/MongoPermissionGrantRepository.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using MongoDB.Driver;
 using MongoDB.Driver.Linq;
 using Volo.Abp.Domain.Repositories.MongoDB;
 using Volo.Abp.MongoDB;
@@ -55,9 +54,10 @@ public class MongoPermissionGrantRepository :
     {
         cancellationToken = GetCancellationToken(cancellationToken);
         return await (await GetQueryableAsync(cancellationToken))
-            .Where(s => names.Any(n => n.Equals(s.Name, StringComparison.CurrentCultureIgnoreCase)) &&
-                        s.ProviderName == providerName &&
-                        s.ProviderKey == providerKey
+            .Where(s =>
+                names.Contains(s.Name) &&
+                s.ProviderName == providerName &&
+                s.ProviderKey == providerKey
             ).ToListAsync(cancellationToken);
     }
 }