From 1d71cf13f14b0fabfe86b4a7f6a6a8f242327ccd Mon Sep 17 00:00:00 2001
From: zengyawen <zengyawen1@huawei.com>
Date: Sat, 19 Mar 2022 08:47:38 +0000
Subject: [PATCH] update
 zh-cn/application-dev/reference/apis/js-apis-brightness.md. Signed-off-by:
 zengyawen <zengyawen1@huawei.com>

---
 zh-cn/application-dev/reference/apis/js-apis-brightness.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-brightness.md b/zh-cn/application-dev/reference/apis/js-apis-brightness.md
index d50e4b6baf..bf0de9a4bb 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-brightness.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-brightness.md
@@ -14,7 +14,7 @@ import brightness from '@ohos.brightness';
 
 ## brightness.setValue
 
-setValue(value: number)
+setValue(value: number): void
 
 设置系统的屏幕亮度。
 
-- 
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