From b28b7f2b84780802098466a33c5d4a37b9bd5f7a Mon Sep 17 00:00:00 2001
From: zengyawen <zengyawen1@huawei.com>
Date: Thu, 10 Mar 2022 12:17:56 +0000
Subject: [PATCH] update
 zh-cn/application-dev/reference/apis/js-apis-brightness.md. Signed-off-by:
 zengyawen <zengyawen1@huawei.com>

---
 .../application-dev/reference/apis/js-apis-brightness.md | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

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 07ed408bb1..2398385699 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-brightness.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-brightness.md
@@ -12,17 +12,15 @@
 import brightness from '@ohos.brightness';
 ```
 
-## 系统能力
-
-SystemCapability.PowerManager.DisplayPowerManager
-
 ## brightness.setValue
 
 setValue(value: number)
 
 设置系统的屏幕亮度。
 
-**补充说明：**该接口为system api，仅供系统应用使用。
+**系统能力：** SystemCapability.PowerManager.DisplayPowerManager
+
+**补充说明：** 该接口为system api，仅供系统应用使用。
 
 **参数：**
 
@@ -33,6 +31,5 @@ setValue(value: number)
 **示例：**
 
 ```
-import brightness from '@ohos.brightness.d.ts';
 brightness.setValue(128);
 ```
-- 
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