From 31f9278b8f15c6eec1c492117ed3b56525ac6b70 Mon Sep 17 00:00:00 2001
From: yangzk <yangzhongkai@huawei.com>
Date: Fri, 5 May 2023 20:32:14 +0800
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Signed-off-by: yangzk <yangzhongkai@huawei.com>
Change-Id: Ib9e646322d16014c6715c9dc37aba4db2e4fc80a
---
 ...pis-app-ability-serviceExtensionAbility.md | 34 +++++++++++++++++++
 .../apis/js-apis-app-ability-uiAbility.md     | 11 ++++++
 2 files changed, 45 insertions(+)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-serviceExtensionAbility.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-serviceExtensionAbility.md
index 8e521d379d..d373237d58 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-serviceExtensionAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-serviceExtensionAbility.md
@@ -145,6 +145,29 @@ Extension生命周期回调，如果是connectAbility拉起的服务，会在onC
   }
   ```
 
+如果生成返回值RemoteObject依赖一个异步接口，可以使用异步生命周期：
+
+  ```ts
+import rpc from '@ohos.rpc';
+class StubTest extends rpc.RemoteObject{
+    constructor(des) {
+        super(des);
+    }
+    onConnect(code, data, reply, option) {
+    }
+}
+async function getDescriptor() {
+    // 调用异步函数...
+    return "asyncTest"
+}
+class ServiceExt extends ServiceExtension {
+  async onConnect(want) {
+    console.log(`onConnect , want: ${want.abilityName}`);
+    let descriptor = await getDescriptor();
+    return new StubTest(descriptor);
+  }
+}
+  ```
 
 ## ServiceExtensionAbility.onDisconnect
 
@@ -172,6 +195,17 @@ Extension的生命周期回调，客户端执行断开连接服务时回调。
   }
   ```
 
+在执行完onDisconnect生命周期回调后，应用可能会退出，从而可能导致onDisconnect中的异步函数未能正确执行，比如异步写入数据库。可以使用异步生命周期，以确保异步onDisconnect完成后再继续后续的生命周期。
+
+  ```ts
+class ServiceExt extends ServiceExtension {
+  async onDisconnect(want) {
+    console.log('onDisconnect, want: ${want.abilityName}');
+    // 调用异步函数...
+  }
+}
+  ```
+
 ## ServiceExtensionAbility.onReconnect
 
 onReconnect(want: Want): void;
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md
index 2301738bc5..9d97d57149 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md
@@ -132,6 +132,7 @@ UIAbility生命周期回调，在销毁时回调，执行资源清理等操作
 
 **示例：**
     
+
   ```ts
   class MyUIAbility extends UIAbility {
       onDestroy() {
@@ -140,6 +141,16 @@ UIAbility生命周期回调，在销毁时回调，执行资源清理等操作
   }
   ```
 
+在执行完onDestroy生命周期回调后，应用可能会退出，从而可能导致onDestroy中的异步函数未能正确执行，比如异步写入数据库。可以使用异步生命周期，以确保异步onDestroy完成后再继续后续的生命周期。
+
+  ```ts
+class MyUIAbility extends UIAbility {
+    async onDestroy() {
+        console.log('onDestroy');
+        // 调用异步函数...
+    }
+}
+  ```
 
 ## UIAbility.onForeground
 
-- 
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