diff --git a/samgr/adapter/posix/queue_adapter.c b/samgr/adapter/posix/queue_adapter.c
index 43416caddf81d6460786720d8e55e39191a705f6..420c6c166cfe4ee80d52fe6906288bdabb55a633 100644
--- a/samgr/adapter/posix/queue_adapter.c
+++ b/samgr/adapter/posix/queue_adapter.c
@@ -53,7 +53,7 @@ int QUEUE_Put(MQueueId queueId, const void *element, uint8 pri, int timeout)
     int ret = LFQUE_Push(queue->queue, element, pri);
     pthread_mutex_unlock(&queue->wMutex);
     pthread_mutex_lock(&queue->rMutex);
-    pthread_cond_signal(&queue->cond);
+    pthread_cond_broadcast(&queue->cond);
     pthread_mutex_unlock(&queue->rMutex);
     return ret;
 }