1 files changed, 1 insertions, 1 deletions
diff --git a/examples/kernel/mutex_priority.c b/examples/kernel/mutex_priority.c
index c1db934157..a7702eed6f 100755
--- a/examples/kernel/mutex_priority.c
+++ b/examples/kernel/mutex_priority.c
@@ -281,7 +281,7 @@ static void thread29_entry(void* parameter)
 static int mutex_simple_init()
 {
     /* 创建互斥锁 */
-    mutex = rt_mutex_create("mutex", RT_IPC_FLAG_FIFO);
+    mutex = rt_mutex_create("mutex", RT_IPC_FLAG_PRIO);
     if (mutex == RT_NULL)
     {
         tc_stat(TC_STAT_END | TC_STAT_FAILED);