From b15b9e3ca6f8623c1edca358bb6b0f3a39c655e2 Mon Sep 17 00:00:00 2001
From: Crecer <15105760099@163.com>
Date: Mon, 4 Aug 2025 13:51:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9?=
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Signed-off-by: Crecer <15105760099@163.com>
---
 resourceschedule/ffrt/c/shared_mutex.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/resourceschedule/ffrt/c/shared_mutex.h b/resourceschedule/ffrt/c/shared_mutex.h
index b295c54c21b..bf7e2951d77 100644
--- a/resourceschedule/ffrt/c/shared_mutex.h
+++ b/resourceschedule/ffrt/c/shared_mutex.h
@@ -42,7 +42,7 @@
  * @brief Initializes a rwlock.
  *
  * @param rwlock Indicates a pointer to the rwlock.
- * @param attr Indicates a pointer to the rwlock attribute.
+ * @param attr Indicates a pointer to the rwlock attribute, only supports default mode, set to null pointer.
  * @return Returns <b>ffrt_success</b> if the rwlock is initialized;
            returns <b>ffrt_error_inval</b> otherwise.
  * @since 18
-- 
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