diff --git a/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/HangfireBackgroundJobManager.cs b/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/HangfireBackgroundJobManager.cs
index 48b2dea666..8b6c6f89f7 100644
--- a/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/HangfireBackgroundJobManager.cs
+++ b/framework/src/Volo.Abp.BackgroundJobs.HangFire/Volo/Abp/BackgroundJobs/Hangfire/HangfireBackgroundJobManager.cs
@@ -8,7 +8,7 @@ namespace Volo.Abp.BackgroundJobs.Hangfire
     [Dependency(ReplaceServices = true)]
     public class HangfireBackgroundJobManager : IBackgroundJobManager, ITransientDependency
     {
-        public Task<string> EnqueueAsync<TArgs>(TArgs args, BackgroundJobPriority priority = BackgroundJobPriority.Normal,
+        public virtual Task<string> EnqueueAsync<TArgs>(TArgs args, BackgroundJobPriority priority = BackgroundJobPriority.Normal,
             TimeSpan? delay = null)
         {
             if (!delay.HasValue)
diff --git a/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzBackgroundJobManager.cs b/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzBackgroundJobManager.cs
index 2e7b8193b4..f45e79dd39 100644
--- a/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzBackgroundJobManager.cs
+++ b/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzBackgroundJobManager.cs
@@ -15,7 +15,7 @@ namespace Volo.Abp.BackgroundJobs.Quartz
             _scheduler = scheduler;
         }
 
-        public async Task<string> EnqueueAsync<TArgs>(TArgs args, BackgroundJobPriority priority = BackgroundJobPriority.Normal,
+        public virtual async Task<string> EnqueueAsync<TArgs>(TArgs args, BackgroundJobPriority priority = BackgroundJobPriority.Normal,
             TimeSpan? delay = null)
         {
             var jobDetail = JobBuilder.Create<QuartzJobExecutionAdapter<TArgs>>().SetJobData(new JobDataMap { { nameof(TArgs), args } }).Build();
diff --git a/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerManager.cs b/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerManager.cs
index db7fc692ff..d7dd8a2e6e 100644
--- a/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerManager.cs
+++ b/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerManager.cs
@@ -16,12 +16,12 @@ namespace Volo.Abp.BackgroundWorkers.Quartz
             _scheduler = scheduler;
         }
 
-        public async Task StartAsync(CancellationToken cancellationToken = default)
+        public virtual async Task StartAsync(CancellationToken cancellationToken = default)
         {
             await _scheduler.ResumeAll(cancellationToken);
         }
 
-        public async Task StopAsync(CancellationToken cancellationToken = default)
+        public virtual async Task StopAsync(CancellationToken cancellationToken = default)
         {
             if (!_scheduler.IsShutdown)
             {
@@ -29,12 +29,12 @@ namespace Volo.Abp.BackgroundWorkers.Quartz
             }
         }
 
-        public void Add(IBackgroundWorker worker)
+        public virtual void Add(IBackgroundWorker worker)
         {
             AsyncHelper.RunSync(() => ReScheduleJobAsync(worker));
         }
 
-        private async Task ReScheduleJobAsync(IBackgroundWorker worker)
+        protected virtual async Task ReScheduleJobAsync(IBackgroundWorker worker)
         {
             if (worker is IQuartzBackgroundWorker quartzWork)
             {