diff --git a/zh-cn/application-dev/application-models/start-page.md b/zh-cn/application-dev/application-models/start-page.md
index ca1ce7a7ec6681573a77fb3e24bca499a529e23b..87e721fd6c871824e3b6e2c82df2f5087a37bdc2 100644
--- a/zh-cn/application-dev/application-models/start-page.md
+++ b/zh-cn/application-dev/application-models/start-page.md
@@ -30,7 +30,7 @@ async function restartAbility() {
 在目标端PageAbility的onNewWant回调中获取包含页面信息的want参数：
 
 ```ts
-import Want from '@ohos.app.ability.Want';
+// GlobalContext.ts 构造单例对象
 export class GlobalContext {
   private constructor() {}
   private static instance: GlobalContext;
@@ -51,6 +51,11 @@ export class GlobalContext {
     this._objects.set(key, objectClass);
   }
 }
+```
+
+```ts
+import Want from '@ohos.application.Want';
+import { GlobalContext } from './GlobalContext';
 
 export default class EntryAbility{  
   onNewWant(want: Want) { 
@@ -63,8 +68,9 @@ export default class EntryAbility{
 在目标端页面的自定义组件中获取包含页面信息的want参数并根据uri做路由处理：
 
 ```ts
+import Want from '@ohos.application.Want';
 import router from '@ohos.router';
-import { GlobalContext } from '../GlobalContext'
+import { GlobalContext } from '../GlobalContext';
 
 @Entry
 @Component
@@ -73,10 +79,12 @@ struct Index {
   
   onPageShow() {
     console.info('Index onPageShow')
-    let newWant: Want = GlobalContext.getContext().getObject("newWant")
-    if (newWant.hasOwnProperty("page")) {
-      router.push({ url: newWant.page });
-      GlobalContext.getContext().setObject("newWant", undefined)
+    let newWant = GlobalContext.getContext().getObject("newWant") as Want
+    if (newWant.parameters) {
+      if (newWant.parameters.page) {
+        router.push({ url: newWant.parameters.page });
+        GlobalContext.getContext().setObject("newWant", undefined)
+      }
     }
   }
 
@@ -160,7 +168,7 @@ export default class EntryAbility {
       if (want.parameters) {
         if (want.parameters.page) {
           router.push({
-            url: want.parameters.page
+            url: want.parameters.page as string
           })
         }
       }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
index c2f4832377f640afb63eb7aca88ae223554f66e6..4ebd7260ac550b60845e52c523f06664267f0179 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
@@ -333,7 +333,7 @@ import { GlobalContext } from '../GlobalContext'
 export default class MySecondAbility extends UIAbility {
     onDestroy() {
         let applicationContext = this.context.getApplicationContext();
-        let lifecycleId: number = GlobalContext.getContext().getObject("lifecycleId");
+        let lifecycleId = GlobalContext.getContext().getObject("lifecycleId") as number;
         // 3.通过applicationContext注销监听应用内生命周期
         applicationContext.off('abilityLifecycle', lifecycleId, (error) => {
             if (error && error.code !== 0) {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md
index 68e1ff54da71d5237c9bde4cdf6d6e3e69774453..ae43d32c570192d5ce45a3b2e32bf9c1e2e65eb6 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md
@@ -27,53 +27,30 @@ onApplicationForeground(): void;
 import UIAbility from '@ohos.app.ability.UIAbility';
 import ApplicationStateChangeCallback from '@ohos.app.ability.ApplicationStateChangeCallback';
 
-// 构造单例对象
-export class GlobalContext {
-    private constructor() {}
-    private static instance: GlobalContext;
-    private _objects = new Map<string, Object>();
-
-    public static getContext(): GlobalContext {
-        if (!GlobalContext.instance) {
-            GlobalContext.instance = new GlobalContext();
-        }
-        return GlobalContext.instance;
-    }
-
-    getObject(value: string): Object | undefined {
-        return this._objects.get(value);
-    }
-
-    setObject(key: string, objectClass: Object): void {
-        this._objects.set(key, objectClass);
-    }
-}
-
 let applicationStateChangeCallback: ApplicationStateChangeCallback = {
     onApplicationForeground() {
         console.info('applicationStateChangeCallback onApplicationForeground');
+    },
+    onApplicationBackground() {
+        console.info('applicationStateChangeCallback onApplicationBackground');
     }
 }
-GlobalContext.getContext().setObject("applicationStateChangeCallback", applicationStateChangeCallback);
 
 export default class MyAbility extends UIAbility {
     onCreate() {
         console.log('MyAbility onCreate');
-        GlobalContext.getContext().setObject("applicationContext", this.context.getApplicationContext());
         // 1.获取applicationContext
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 2.通过applicationContext注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.on('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.on('applicationStateChange', applicationStateChangeCallback);
         }
     }
     onDestroy() {
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 1.通过applicationContext解除注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.off('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.off('applicationStateChange', applicationStateChangeCallback);
         }
     }
 }
@@ -93,53 +70,31 @@ onApplicationBackground(): void;
 import UIAbility from '@ohos.app.ability.UIAbility';
 import ApplicationStateChangeCallback from '@ohos.app.ability.ApplicationStateChangeCallback';
 
-export class GlobalContext {
-    private constructor() {}
-    private static instance: GlobalContext;
-    private _objects = new Map<string, Object>();
-
-    public static getContext(): GlobalContext {
-        if (!GlobalContext.instance) {
-            GlobalContext.instance = new GlobalContext();
-        }
-        return GlobalContext.instance;
-    }
-
-    getObject(value: string): Object | undefined {
-        return this._objects.get(value);
-    }
-
-    setObject(key: string, objectClass: Object): void {
-        this._objects.set(key, objectClass);
-    }
-}
-
 let applicationStateChangeCallback: ApplicationStateChangeCallback = {
+    onApplicationForeground() {
+        console.info('applicationStateChangeCallback onApplicationForeground');
+    },
     onApplicationBackground() {
         console.info('applicationStateChangeCallback onApplicationBackground');
     }
 }
-GlobalContext.getContext().setObject("applicationStateChangeCallback", applicationStateChangeCallback);
 
 export default class MyAbility extends UIAbility {
     onCreate() {
         console.log('MyAbility onCreate');
-        GlobalContext.getContext().setObject("applicationContext", this.context.getApplicationContext());
         // 1.获取applicationContext
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 2.通过applicationContext注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.on('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.on('applicationStateChange', applicationStateChangeCallback);
         }
         console.log('Resgiter applicationStateChangeCallback');
     }
     onDestroy() {
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 1.通过applicationContext解除注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.off('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.off('applicationStateChange', applicationStateChangeCallback);
         }
     }
 }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md
index 5ea5530b24c91df3f5e66d27e1a0bb3f239c4bb0..5566ea169ea6a180c0be3945df2bc66a9bbe9c3d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md
@@ -37,10 +37,7 @@ ExtensionContext主要用于查询所属Extension的信息、Module的配置信
 
 三个Module内都定义一个相同名称的ServiceExtension：
 ```ts
-import ServiceExtension from '@ohos.app.ability.ServiceExtensionAbility';
-import Want from '@ohos.app.ability.Want';
-import rpc from '@ohos.rpc';
-
+// 单例对象 GlobalContext.ts
 export class GlobalContext {
     private constructor() {}
     private static instance: GlobalContext;
@@ -61,6 +58,13 @@ export class GlobalContext {
         this._objects.set(key, objectClass);
     }
 }
+```
+
+```ts
+import ServiceExtension from '@ohos.app.ability.ServiceExtensionAbility';
+import Want from '@ohos.app.ability.Want';
+import rpc from '@ohos.rpc';
+import { GlobalContext } from '../GlobalContext'
 
 export default class TheServiceExtension extends ServiceExtension {
     onCreate(want: Want) {
@@ -109,7 +113,8 @@ export default class EntryAbility extends UIAbility {
 
 在entry内新建一个ServiceModule.ts，专用于执行业务逻辑
 ```ts
-import { GlobalContext } from '../TheServiceExtension'
+import common from '@ohos.app.ability.common';
+import { GlobalContext } from '../GlobalContext';
 
 export default class ServiceModel {
     moduleName: string = '';
@@ -122,7 +127,8 @@ export default class ServiceModel {
             return;
         }
 
-        this.moduleName = GlobalContext.getContext().getObject('ExtensionContext').currentHapModuleInfo.name;
+        let extensionContext = GlobalContext.getContext().getObject('ExtensionContext') as common.ServiceExtensionContext;
+        this.moduleName = extensionContext.currentHapModuleInfo.name;
         // 根据moduleName执行不同的业务逻辑，实现对不同性能设备的区分
         switch (this.moduleName) {
             case 'highPerformance':