diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Domain/Repositories/EntityFrameworkCore/EfCoreRepository.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Domain/Repositories/EntityFrameworkCore/EfCoreRepository.cs
index 96d7b4111e..03af8d1fb4 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Domain/Repositories/EntityFrameworkCore/EfCoreRepository.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Domain/Repositories/EntityFrameworkCore/EfCoreRepository.cs
@@ -107,7 +107,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         );
     }
 
-    public override async Task<TEntity> InsertAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task<TEntity> InsertAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
     {
         CheckAndSetId(entity);
 
@@ -123,9 +123,14 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         return savedEntity;
     }
 
-    public override async Task InsertManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task InsertManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
     {
         var entityArray = entities.ToArray();
+        if (entityArray.IsNullOrEmpty())
+        {
+            return;
+        }
+
         var dbContext = await GetDbContextAsync();
         cancellationToken = GetCancellationToken(cancellationToken);
 
@@ -153,7 +158,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         }
     }
 
-    public override async Task<TEntity> UpdateAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task<TEntity> UpdateAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
     {
         var dbContext = await GetDbContextAsync();
 
@@ -169,15 +174,21 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         return updatedEntity;
     }
 
-    public override async Task UpdateManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task UpdateManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
     {
+        var entityArray = entities.ToArray();
+        if (entityArray.IsNullOrEmpty())
+        {
+            return;
+        }
+
         cancellationToken = GetCancellationToken(cancellationToken);
 
         if (BulkOperationProvider != null)
         {
             await BulkOperationProvider.UpdateManyAsync<TDbContext, TEntity>(
                 this,
-                entities,
+                entityArray,
                 autoSave,
                 GetCancellationToken(cancellationToken)
                 );
@@ -187,7 +198,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
 
         var dbContext = await GetDbContextAsync();
 
-        dbContext.Set<TEntity>().UpdateRange(entities);
+        dbContext.Set<TEntity>().UpdateRange(entityArray);
 
         if (autoSave)
         {
@@ -195,7 +206,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         }
     }
 
-    public override async Task DeleteAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task DeleteAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
     {
         var dbContext = await GetDbContextAsync();
 
@@ -207,15 +218,21 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         }
     }
 
-    public override async Task DeleteManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task DeleteManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
     {
+        var entityArray = entities.ToArray();
+        if (entityArray.IsNullOrEmpty())
+        {
+            return;
+        }
+
         cancellationToken = GetCancellationToken(cancellationToken);
 
         if (BulkOperationProvider != null)
         {
             await BulkOperationProvider.DeleteManyAsync<TDbContext, TEntity>(
                 this,
-                entities,
+                entityArray,
                 autoSave,
                 cancellationToken
             );
@@ -225,7 +242,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
 
         var dbContext = await GetDbContextAsync();
 
-        dbContext.RemoveRange(entities);
+        dbContext.RemoveRange(entityArray.Select(x => x));
 
         if (autoSave)
         {
@@ -233,26 +250,26 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         }
     }
 
-    public override async Task<List<TEntity>> GetListAsync(bool includeDetails = false, CancellationToken cancellationToken = default)
+    public async override Task<List<TEntity>> GetListAsync(bool includeDetails = false, CancellationToken cancellationToken = default)
     {
         return includeDetails
             ? await (await WithDetailsAsync()).ToListAsync(GetCancellationToken(cancellationToken))
             : await (await GetDbSetAsync()).ToListAsync(GetCancellationToken(cancellationToken));
     }
 
-    public override async Task<List<TEntity>> GetListAsync(Expression<Func<TEntity, bool>> predicate, bool includeDetails = false, CancellationToken cancellationToken = default)
+    public async override Task<List<TEntity>> GetListAsync(Expression<Func<TEntity, bool>> predicate, bool includeDetails = false, CancellationToken cancellationToken = default)
     {
         return includeDetails
             ? await (await WithDetailsAsync()).Where(predicate).ToListAsync(GetCancellationToken(cancellationToken))
             : await (await GetDbSetAsync()).Where(predicate).ToListAsync(GetCancellationToken(cancellationToken));
     }
 
-    public override async Task<long> GetCountAsync(CancellationToken cancellationToken = default)
+    public async override Task<long> GetCountAsync(CancellationToken cancellationToken = default)
     {
         return await (await GetDbSetAsync()).LongCountAsync(GetCancellationToken(cancellationToken));
     }
 
-    public override async Task<List<TEntity>> GetPagedListAsync(
+    public async override Task<List<TEntity>> GetPagedListAsync(
         int skipCount,
         int maxResultCount,
         string sorting,
@@ -275,17 +292,17 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         return DbSet.AsQueryable();
     }
 
-    public override async Task<IQueryable<TEntity>> GetQueryableAsync()
+    public async override Task<IQueryable<TEntity>> GetQueryableAsync()
     {
         return (await GetDbSetAsync()).AsQueryable();
     }
 
-    protected override async Task SaveChangesAsync(CancellationToken cancellationToken)
+    protected async override Task SaveChangesAsync(CancellationToken cancellationToken)
     {
         await (await GetDbContextAsync()).SaveChangesAsync(cancellationToken);
     }
 
-    public override async Task<TEntity> FindAsync(
+    public async override Task<TEntity> FindAsync(
         Expression<Func<TEntity, bool>> predicate,
         bool includeDetails = true,
         CancellationToken cancellationToken = default)
@@ -299,7 +316,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
                 .SingleOrDefaultAsync(GetCancellationToken(cancellationToken));
     }
 
-    public override async Task DeleteAsync(Expression<Func<TEntity, bool>> predicate, bool autoSave = false, CancellationToken cancellationToken = default)
+    public async override Task DeleteAsync(Expression<Func<TEntity, bool>> predicate, bool autoSave = false, CancellationToken cancellationToken = default)
     {
         var dbContext = await GetDbContextAsync();
         var dbSet = dbContext.Set<TEntity>();
@@ -358,7 +375,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         return AbpEntityOptions.DefaultWithDetailsFunc(GetQueryable());
     }
 
-    public override async Task<IQueryable<TEntity>> WithDetailsAsync()
+    public async override Task<IQueryable<TEntity>> WithDetailsAsync()
     {
         if (AbpEntityOptions.DefaultWithDetailsFunc == null)
         {
@@ -377,7 +394,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
         );
     }
 
-    public override async Task<IQueryable<TEntity>> WithDetailsAsync(params Expression<Func<TEntity, object>>[] propertySelectors)
+    public async override Task<IQueryable<TEntity>> WithDetailsAsync(params Expression<Func<TEntity, object>>[] propertySelectors)
     {
         return IncludeDetails(
             await GetQueryableAsync(),
diff --git a/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDB/MongoDbRepository.cs b/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDB/MongoDbRepository.cs
index 58f5c72716..4ebe61f64e 100644
--- a/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDB/MongoDbRepository.cs
+++ b/framework/src/Volo.Abp.MongoDB/Volo/Abp/Domain/Repositories/MongoDB/MongoDbRepository.cs
@@ -138,9 +138,13 @@ public class MongoDbRepository<TMongoDbContext, TEntity>
 
     public async override Task InsertManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
     {
-        cancellationToken = GetCancellationToken(cancellationToken);
-
         var entityArray = entities.ToArray();
+        if (entityArray.IsNullOrEmpty())
+        {
+            return;
+        }
+
+        cancellationToken = GetCancellationToken(cancellationToken);
 
         foreach (var entity in entityArray)
         {
@@ -228,6 +232,10 @@ public class MongoDbRepository<TMongoDbContext, TEntity>
     public async override Task UpdateManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
     {
         var entityArray = entities.ToArray();
+        if (entityArray.IsNullOrEmpty())
+        {
+            return;
+        }
 
         foreach (var entity in entityArray)
         {
@@ -358,12 +366,18 @@ public class MongoDbRepository<TMongoDbContext, TEntity>
        bool autoSave = false,
        CancellationToken cancellationToken = default)
     {
+        var entityArray = entities.ToArray();
+        if (entityArray.IsNullOrEmpty())
+        {
+            return;
+        }
+
         cancellationToken = GetCancellationToken(cancellationToken);
 
         var softDeletedEntities = new Dictionary<TEntity, string>();
         var hardDeletedEntities = new List<TEntity>();
 
-        foreach (var entity in entities)
+        foreach (var entity in entityArray)
         {
             if (typeof(ISoftDelete).IsAssignableFrom(typeof(TEntity)) && !IsHardDeleted(entity))
             {
@@ -383,7 +397,7 @@ public class MongoDbRepository<TMongoDbContext, TEntity>
 
         if (BulkOperationProvider != null)
         {
-            await BulkOperationProvider.DeleteManyAsync(this, entities, dbContext.SessionHandle, autoSave, cancellationToken);
+            await BulkOperationProvider.DeleteManyAsync(this, entityArray, dbContext.SessionHandle, autoSave, cancellationToken);
             return;
         }