diff --git a/components/drivers/src/workqueue.c b/components/drivers/src/workqueue.c
index 564dde78f29d5d243281512e0642d72b250cb02a..868a0c2bfda2db9e6b40a5870055af0e9a760580 100644
--- a/components/drivers/src/workqueue.c
+++ b/components/drivers/src/workqueue.c
@@ -278,6 +278,7 @@ rt_err_t rt_workqueue_destroy(struct rt_workqueue *queue)
     RT_ASSERT(queue != RT_NULL);
 
     rt_thread_delete(queue->work_thread);
+    rt_sem_detach(&(queue->sem));
     RT_KERNEL_FREE(queue);
 
     return RT_EOK;