diff --git a/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDbCoreRepositoryExtensions.cs b/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDbCoreRepositoryExtensions.cs
index bcbdc00d9e..27e031fe58 100644
--- a/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDbCoreRepositoryExtensions.cs
+++ b/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDbCoreRepositoryExtensions.cs
@@ -11,60 +11,58 @@ namespace Volo.Abp.Domain.Repositories
     public static class MongoDbCoreRepositoryExtensions
     {
         [Obsolete("Use GetDatabaseAsync method.")]
-        public static IMongoDatabase GetDatabase<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository)
-            where TEntity : class, IEntity<TKey>
+        public static IMongoDatabase GetDatabase<TEntity>(this IReadOnlyBasicRepository<TEntity> repository)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().Database;
         }
 
-        public static Task<IMongoDatabase> GetDatabaseAsync<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository, CancellationToken cancellationToken = default)
-            where TEntity : class, IEntity<TKey>
+        public static Task<IMongoDatabase> GetDatabaseAsync<TEntity>(this IReadOnlyBasicRepository<TEntity> repository, CancellationToken cancellationToken = default)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().GetDatabaseAsync(cancellationToken);
         }
 
         [Obsolete("Use GetCollectionAsync method.")]
-        public static IMongoCollection<TEntity> GetCollection<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository)
-            where TEntity : class, IEntity<TKey>
+        public static IMongoCollection<TEntity> GetCollection<TEntity>(this IReadOnlyBasicRepository<TEntity> repository)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().Collection;
         }
 
-        public static Task<IMongoCollection<TEntity>> GetCollectionAsync<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository, CancellationToken cancellationToken = default)
-            where TEntity : class, IEntity<TKey>
+        public static Task<IMongoCollection<TEntity>> GetCollectionAsync<TEntity>(this IReadOnlyBasicRepository<TEntity> repository, CancellationToken cancellationToken = default)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().GetCollectionAsync(cancellationToken);
         }
 
         [Obsolete("Use GetMongoQueryableAsync method.")]
-        public static IMongoQueryable<TEntity> GetMongoQueryable<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository)
-            where TEntity : class, IEntity<TKey>
+        public static IMongoQueryable<TEntity> GetMongoQueryable<TEntity>(this IReadOnlyBasicRepository<TEntity> repository)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().GetMongoQueryable();
         }
 
-        public static Task<IMongoQueryable<TEntity>> GetMongoQueryableAsync<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository, CancellationToken cancellationToken = default)
-            where TEntity : class, IEntity<TKey>
+        public static Task<IMongoQueryable<TEntity>> GetMongoQueryableAsync<TEntity>(this IReadOnlyBasicRepository<TEntity> repository, CancellationToken cancellationToken = default)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().GetMongoQueryableAsync(cancellationToken);
         }
 
-        public static Task<IAggregateFluent<TEntity>> GetAggregateAsync<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository, CancellationToken cancellationToken = default)
-            where TEntity : class, IEntity<TKey>
+        public static Task<IAggregateFluent<TEntity>> GetAggregateAsync<TEntity>(this IReadOnlyBasicRepository<TEntity> repository, CancellationToken cancellationToken = default)
+            where TEntity : class, IEntity
         {
             return repository.ToMongoDbRepository().GetAggregateAsync(cancellationToken);
         }
 
-        public static IMongoDbRepository<TEntity, TKey> ToMongoDbRepository<TEntity, TKey>(this IBasicRepository<TEntity, TKey> repository)
-            where TEntity : class, IEntity<TKey>
+        public static IMongoDbRepository<TEntity> ToMongoDbRepository<TEntity>(this IReadOnlyBasicRepository<TEntity> repository)
+            where TEntity : class, IEntity
         {
-            var mongoDbRepository = repository as IMongoDbRepository<TEntity, TKey>;
-            if (mongoDbRepository == null)
+            if (repository is IMongoDbRepository<TEntity> mongoDbRepository)
             {
-                throw new ArgumentException("Given repository does not implement " + typeof(IMongoDbRepository<TEntity, TKey>).AssemblyQualifiedName, nameof(repository));
-            }
-
-            return mongoDbRepository;
+                return mongoDbRepository;
+            } 
+            throw new ArgumentException("Given repository does not implement " + typeof(IMongoDbRepository<TEntity>).AssemblyQualifiedName, nameof(repository));
         }
     }
 }