From 740bc010ff0741df07b272816b04be03ca586a26 Mon Sep 17 00:00:00 2001
From: gloria <80926032@qq.com>
Date: Tue, 28 Jun 2022 00:44:36 +0000
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---
 zh-cn/application-dev/ability/fa-serviceability.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/zh-cn/application-dev/ability/fa-serviceability.md b/zh-cn/application-dev/ability/fa-serviceability.md
index b6831237cd..8c433948ab 100644
--- a/zh-cn/application-dev/ability/fa-serviceability.md
+++ b/zh-cn/application-dev/ability/fa-serviceability.md
@@ -8,11 +8,11 @@
 **表1** Service中相关生命周期API功能介绍
 |接口名|描述|
 |:------|:------|
-|onStart|该方法在创建Service的时候调用，用于Service的初始化。在Service的整个生命周期只会调用一次，调用时传入的Want应为空。|
-|onCommand|在Service创建完成之后调用，该方法在客户端每次启动该Service时都会调用，开发者可以在该方法中做一些调用统计、初始化类的操作。|
-|onConnect|在Ability和Service连接时调用。|
-|onDisconnect|在Ability与绑定的Service断开连接时调用。|
-|onStop|在Service销毁时调用。Service应通过实现此方法来清理任何资源，如关闭线程、注册的侦听器等。|
+|onStart?(): void|该方法在创建Service的时候调用，用于Service的初始化。在Service的整个生命周期只会调用一次，调用时传入的Want应为空。|
+|onCommand?(want: Want, startId: number): void|在Service创建完成之后调用，该方法在客户端每次启动该Service时都会调用，开发者可以在该方法中做一些调用统计、初始化类的操作。|
+|onConnect?(want: Want): rpc.RemoteObject|在Ability和Service连接时调用。|
+|onDisconnect?(want: Want): void|在Ability与绑定的Service断开连接时调用。|
+|onStop?(): void|在Service销毁时调用。Service应通过实现此方法来清理任何资源，如关闭线程、注册的侦听器等。|
 
 ## 开发步骤
 
-- 
GitLab