From 5ba0222afc2d8e335c5c2d6aac574c875eed6572 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=94=90=E9=A3=9E=E7=BA=A2?= <1907203535@qq.com>
Date: Wed, 10 Aug 2022 03:11:39 +0000
Subject: [PATCH] =?UTF-8?q?update=20zh-cn/application-dev/device-usage-sta?=
 =?UTF-8?q?tistics/device-usage-statistics-overview.md.=20Signed-off-by:?=
 =?UTF-8?q?=20=E5=94=90=E9=A3=9E=E7=BA=A2=20<1907203535@qq.com>?=
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---
 .../device-usage-statistics-overview.md                       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-overview.md b/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-overview.md
index d37838f826..391e96ae61 100644
--- a/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-overview.md
+++ b/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-overview.md
@@ -29,11 +29,11 @@
 
 - 注册接口
 
-1. 注册应用分组变化回调监听，当应用分组发生变化，会给所有已注册的应用返回变化信息
+1. 注册应用分组变化回调监听，当应用分组发生变化，会给所有已注册的应用返回变化信息。
 
 - 解除注册接口
 
-1. 解除注册应用分组变化回调监听
+1. 解除注册应用分组变化回调监听。
 
 ### 设备使用信息统计使用权限
 - 设备使用信息统计的queryBundleActiveStates、queryBundleStateInfos、queryBundleStateInfoByInterval、queryBundleActiveEventStates、queryAppNotificationNumber、queryAppUsagePriorityGroup(bundleName?)、setBundleGroup、registerGroupCallBack、unRegisterGroupCallBack接口为系统api，调用前需要申请ohos.permission.BUNDLE_ACTIVE_INFO权限。
-- 
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