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 ab4cd0049f..c4c885f56e 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
@@ -95,7 +95,7 @@ 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);
 
@@ -111,9 +111,14 @@ 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);
 
@@ -141,7 +146,7 @@ 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();
 
@@ -157,15 +162,21 @@ 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)
                 );
@@ -175,7 +186,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
 
         var dbContext = await GetDbContextAsync();
 
-        dbContext.Set<TEntity>().UpdateRange(entities);
+        dbContext.Set<TEntity>().UpdateRange(entityArray);
 
         if (autoSave)
         {
@@ -183,7 +194,7 @@ 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();
 
@@ -195,15 +206,21 @@ 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
             );
@@ -213,7 +230,7 @@ public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IE
 
         var dbContext = await GetDbContextAsync();
 
-        dbContext.RemoveRange(entities);
+        dbContext.RemoveRange(entityArray.Select(x => x));
 
         if (autoSave)
         {
@@ -221,26 +238,26 @@ 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,
@@ -263,17 +280,17 @@ 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)
@@ -287,7 +304,7 @@ 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>();
@@ -339,7 +356,7 @@ 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)
         {
@@ -358,7 +375,7 @@ 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 e128c8dee8..23e613fc8f 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
@@ -137,9 +137,13 @@ 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)
         {
@@ -226,6 +230,10 @@ 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)
         {
@@ -356,12 +364,18 @@ 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))
             {
@@ -381,7 +395,7 @@ 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;
         }