diff --git a/zh-cn/application-dev/ability/stage-ability.md b/zh-cn/application-dev/ability/stage-ability.md
index 77bd994ba4993c7175e137b8ec8f97dbf717a3d7..46d9c414329d6c72a53f85b4f0cf607b8cb60b31 100644
--- a/zh-cn/application-dev/ability/stage-ability.md
+++ b/zh-cn/application-dev/ability/stage-ability.md
@@ -320,8 +320,4 @@ struct Index {
     }
   }
 }
-```
-
-## 相关实例
-针对Stage模型Ability开发，有以下相关示例可供参考：
-- [`StageCallAbility`：StageCallAbility的创建与使用（ArkTS）（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/ability/StageCallAbility)
+```
\ No newline at end of file
diff --git a/zh-cn/application-dev/ability/stage-call.md b/zh-cn/application-dev/ability/stage-call.md
index 7aa9769c0a56c39bc9d93772c5a1e0cd7d4ba2f3..ff95c3ff3ff254bf8179a9128ab53308e28ecc1b 100644
--- a/zh-cn/application-dev/ability/stage-call.md
+++ b/zh-cn/application-dev/ability/stage-call.md
@@ -281,7 +281,3 @@ releaseCall() {
     }
 }
 ```
-
-## 相关实例
-针对Stage模型本地Call功能开发，有以下相关实例可供参考：
-- [`StageCallAbility`：StageCallAbility的创建与使用（ArkTS）（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/ability/StageCallAbility)
diff --git a/zh-cn/application-dev/notification/notification-guidelines.md b/zh-cn/application-dev/notification/notification-guidelines.md
index 05e9e97a51132ca686c0a27aebb3e44ed2327f04..8f2df9f689bd3ae019f779516c90ac121947fa60 100644
--- a/zh-cn/application-dev/notification/notification-guidelines.md
+++ b/zh-cn/application-dev/notification/notification-guidelines.md
@@ -263,5 +263,3 @@ Notification.cancel(1, "label", cancelCallback)
 针对通知开发，有以下相关可供参考：
 
 - [`Notification:`订阅、发送通知（ArkTS）（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/Notification/Notification)
-
-- [`Notification`：通知（ArkTS）（API8）](https://gitee.com/openharmony/applications_app_samples/tree/master/common/Notification)
diff --git a/zh-cn/application-dev/reference/apis/js-apis-window.md b/zh-cn/application-dev/reference/apis/js-apis-window.md
index a34ad2a046f8bae71dcf5d81ff7cc5f4ec76c41f..9945d8a170717c3a3991fb6bdad4714cd22b21c6 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-window.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-window.md
@@ -632,7 +632,7 @@ display.getDefaultDisplay((err, data) => {
         return;
     }
     displayClass = data;
-    window.minimizeAll(displayClass.id, (err, data) => {
+    window.minimizeAll(displayClass.id, (err) => {
         if(err.code) {
             console.error('Failed to minimize all windows. Cause: ' + JSON.stringify(err));
             return;
@@ -676,7 +676,7 @@ display.getDefaultDisplay((err, data) => {
     }
     displayClass = data;
     let promise = window.minimizeAll(displayClass.id);
-    promise.then((data)=> {
+    promise.then(()=> {
         console.info('Succeeded in minimizing all windows.');
     }).catch((err)=>{
         console.error('Failed to minimize all windows. Cause: ' + JSON.stringify(err));
@@ -702,7 +702,7 @@ toggleShownStateForAllAppWindows(callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-window.toggleShownStateForAllAppWindows((err, data) => {
+window.toggleShownStateForAllAppWindows((err) => {
     if (err.code) {
         console.error('Failed to toggle shown state for all app windows. Cause: ' + JSON.stringify(err));
         return;
@@ -730,8 +730,8 @@ toggleShownStateForAllAppWindows(): Promise<void>
 
 ```js
 let promise = window.toggleShownStateForAllAppWindows();
-promise.then((data)=> {
-    console.info('Succeeded in toggling shown state for all app windows. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in toggling shown state for all app windows.');
 }).catch((err)=>{
     console.error('Failed to toggle shown state for all app windows. Cause: ' + JSON.stringify(err));
 })
@@ -756,8 +756,8 @@ setWindowLayoutMode(mode: WindowLayoutMode, callback: AsyncCallback<void>)
 **示例：**
 
 ```js
-window.setWindowLayoutMode(window.WindowLayoutMode.WINDOW_LAYOUT_MODE_CASCADE, (data) => {
-    console.info('Succeeded in setting window layout mode. Data: ' + JSON.stringify(data));
+window.setWindowLayoutMode(window.WindowLayoutMode.WINDOW_LAYOUT_MODE_CASCADE, () => {
+    console.info('Succeeded in setting window layout mode.');
 });
 ```
 
@@ -786,8 +786,8 @@ setWindowLayoutMode(mode: WindowLayoutMode): Promise<void>
 
 ```js
 let promise = window.setWindowLayoutMode(window.WindowLayoutMode.WINDOW_LAYOUT_MODE_CASCADE);
-promise.then((data)=> {
-    console.info('Succeeded in setting window layout mode. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting window layout mode.' );
 }).catch((err)=>{
     console.error('Failed to set window layout mode. Cause: ' + JSON.stringify(err));
 })
@@ -866,12 +866,12 @@ hide (callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-windowClass.hide((err, data) => {
+windowClass.hide((err) => {
     if (err.code) {
         console.error('Failed to hide the window. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in hiding the window. data: ' + JSON.stringify(data));
+    console.info('Succeeded in hiding the window.');
 })
 ```
 
@@ -895,8 +895,8 @@ hide(): Promise<void>
 
 ```js
 let promise = windowClass.hide();
-promise.then((data)=> {
-    console.info('Succeeded in hiding the window. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in hiding the window.');
 }).catch((err)=>{
     console.error('Failed to hide the window. Cause: ' + JSON.stringify(err));
 })
@@ -921,12 +921,12 @@ hideWithAnimation(callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-windowClass.hideWithAnimation((err, data) => {
+windowClass.hideWithAnimation((err) => {
     if (err.code) {
         console.error('Failed to hide the window with animation. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in hiding the window with animation. data: ' + JSON.stringify(data));
+    console.info('Succeeded in hiding the window with animation.');
 })
 ```
 
@@ -950,8 +950,8 @@ hideWithAnimation(): Promise<void>
 
 ```js
 let promise = windowClass.hideWithAnimation();
-promise.then((data)=> {
-    console.info('Succeeded in hiding the window with animation. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in hiding the window with animation.');
 }).catch((err)=>{
     console.error('Failed to hide the window with animation. Cause: ' + JSON.stringify(err));
 })
@@ -974,12 +974,12 @@ show(callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-windowClass.show((err, data) => {
+windowClass.show((err) => {
     if (err.code) {
         console.error('Failed to show the window. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in showing the window.');
 })
 ```
 
@@ -1001,8 +1001,8 @@ show(): Promise<void>
 
 ```js
 let promise = windowClass.show();
-promise.then((data)=> {
-    console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in showing the window.');
 }).catch((err)=>{
     console.error('Failed to show the window. Cause: ' + JSON.stringify(err));
 })
@@ -1027,12 +1027,12 @@ showWithAnimation(callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-windowClass.showWithAnimation((err, data) => {
+windowClass.showWithAnimation((err) => {
     if (err.code) {
         console.error('Failed to show the window with animation. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in showing the window with animation. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in showing the window with animation.');
 })
 ```
 
@@ -1056,8 +1056,8 @@ showWithAnimation(): Promise<void>
 
 ```js
 let promise = windowClass.showWithAnimation();
-promise.then((data)=> {
-    console.info('Succeeded in showing the window with animation. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in showing the window with animation.');
 }).catch((err)=>{
     console.error('Failed to show the window with animation. Cause: ' + JSON.stringify(err));
 })
@@ -1080,12 +1080,12 @@ destroy(callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-windowClass.destroy((err, data) => {
+windowClass.destroy((err) => {
     if (err.code) {
         console.error('Failed to destroy the window. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in destroying the window. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in destroying the window.');
 })
 ```
 
@@ -1107,8 +1107,8 @@ destroy(): Promise<void>
 
 ```js
 let promise = windowClass.destroy();
-promise.then((data)=> {
-    console.info('Succeeded in destroying the window. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in destroying the window.');
 }).catch((err)=>{
     console.error('Failed to destroy the window. Cause: ' + JSON.stringify(err));
 })
@@ -1133,12 +1133,12 @@ moveTo(x: number, y: number, callback: AsyncCallback<void>): void
 **示例：**
 
 ```js
-windowClass.moveTo(300, 300, (err, data)=>{
+windowClass.moveTo(300, 300, (err)=>{
     if (err.code) {
         console.error('Failed to move the window. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in moving the window. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in moving the window.');
 
 });
 ```
@@ -1168,8 +1168,8 @@ moveTo(x: number, y: number): Promise<void>
 
 ```js
 let promise = windowClass.moveTo(300, 300);
-promise.then((data)=> {
-    console.info('Succeeded in moving the window. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in moving the window.');
 }).catch((err)=>{
     console.error('Failed to move the window. Cause: ' + JSON.stringify(err));
 })
@@ -1198,12 +1198,12 @@ resetSize(width: number, height: number, callback: AsyncCallback<void>): v
 **示例：**
 
 ```js
-windowClass.resetSize(500, 1000, (err, data) => {
+windowClass.resetSize(500, 1000, (err) => {
     if (err.code) {
         console.error('Failed to change the window size. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in changing the window size. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in changing the window size.');
 });
 ```
 
@@ -1236,8 +1236,8 @@ resetSize(width: number, height: number): Promise<void>
 
 ```js
 let promise = windowClass.resetSize(500, 1000);
-promise.then((data)=> {
-    console.info('Succeeded in changing the window size. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in changing the window size.');
 }).catch((err)=>{
     console.error('Failed to change the window size. Cause: ' + JSON.stringify(err));
 });
@@ -1268,12 +1268,12 @@ setWindowType(type: WindowType, callback: AsyncCallback<void>): void
 
 ```js
 let type = window.WindowType.TYPE_APP;
-windowClass.setWindowType(type, (err, data) => {
+windowClass.setWindowType(type, (err) => {
   if (err.code) {
       console.error('Failed to set the window type. Cause: ' + JSON.stringify(err));
       return;
   }
-  console.info('Succeeded in setting the window type. Data: ' + JSON.stringify(data));
+  console.info('Succeeded in setting the window type.');
 });
 ```
 
@@ -1308,8 +1308,8 @@ setWindowType(type: WindowType): Promise<void>
 ```js
 let type = window.WindowType.TYPE_APP;
 let promise = windowClass.setWindowType(type);
-promise.then((data)=> {
-    console.info('Succeeded in setting the window type. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the window type.');
 }).catch((err)=>{
     console.error('Failed to set the window type. Cause: ' + JSON.stringify(err));
 });
@@ -1370,7 +1370,7 @@ promise.then((data)=> {
 
 getAvoidArea(type: [AvoidAreaType](#avoidareatype7), callback: AsyncCallback<[AvoidArea](#avoidarea7)>): void
 
-获取窗口内容规避的区域，如系统的系统栏区域、凹凸区域。使用callback异步回调。
+获取窗口内容规避的区域，如系统栏区域、刘海屏区域、手势区域、软键盘区域等与窗口内容重叠时，需要窗口内容避让的区域。使用callback异步回调。
 
 **系统能力：** SystemCapability.WindowManager.WindowManager.Core
 
@@ -1398,7 +1398,7 @@ windowClass.getAvoidArea(type, (err, data) => {
 
 getAvoidArea(type: [AvoidAreaType](#avoidareatype7)): Promise<[AvoidArea](#avoidarea7)>
 
-获取窗口内容规避的区域，如系统的系统栏区域、凹凸区域。使用Promise异步回调。
+获取窗口内容规避的区域，如系统栏区域、刘海屏区域、手势区域、软键盘区域等与窗口内容重叠时，需要窗口内容避让的区域。使用Promise异步回调。
 
 **系统能力：** SystemCapability.WindowManager.WindowManager.Core
 
@@ -1445,12 +1445,12 @@ setFullScreen(isFullScreen: boolean, callback: AsyncCallback<void>): void
 
 ```js
 let isFullScreen = true;
-windowClass.setFullScreen(isFullScreen, (err, data) => {
+windowClass.setFullScreen(isFullScreen, (err) => {
     if (err.code) {
         console.error('Failed to enable the full-screen mode. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in enabling the full-screen mode. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in enabling the full-screen mode.');
 });
 ```
 
@@ -1479,8 +1479,8 @@ setFullScreen(isFullScreen: boolean): Promise<void>
 ```js
 let isFullScreen = true;
 let promise = windowClass.setFullScreen(isFullScreen);
-promise.then((data)=> {
-    console.info('Succeeded in enabling the full-screen mode. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in enabling the full-screen mode.');
 }).catch((err)=>{
     console.error('Failed to enable the full-screen mode. Cause: ' + JSON.stringify(err));
 });
@@ -1505,12 +1505,12 @@ setLayoutFullScreen(isLayoutFullScreen: boolean, callback: AsyncCallback<void
 
 ```js
 let isLayoutFullScreen= true;
-windowClass.setLayoutFullScreen(isLayoutFullScreen, (err, data) => {
+windowClass.setLayoutFullScreen(isLayoutFullScreen, (err) => {
     if (err.code) {
         console.error('Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the window layout to full-screen mode. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the window layout to full-screen mode.');
 });
 ```
 
@@ -1539,8 +1539,8 @@ setLayoutFullScreen(isLayoutFullScreen: boolean): Promise<void>
 ```js
 let isLayoutFullScreen = true;
 let promise = windowClass.setLayoutFullScreen(isLayoutFullScreen);
-promise.then((data)=> {
-    console.info('Succeeded in setting the window layout to full-screen mode. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the window layout to full-screen mode.');
 }).catch((err)=>{
     console.error('Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
 });
@@ -1566,12 +1566,12 @@ setSystemBarEnable(names: Array<'status' | 'navigation'>, callback: AsyncCallbac
 ```js
 // 此处以不显示导航栏、状态栏为例
 let names = [];
-windowClass.setSystemBarEnable(names, (err, data) => {
+windowClass.setSystemBarEnable(names, (err) => {
     if (err.code) {
         console.error('Failed to set the system bar to be invisible. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the system bar to be invisible. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the system bar to be invisible.');
 });
 ```
 
@@ -1601,8 +1601,8 @@ setSystemBarEnable(names: Array<'status' | 'navigation'>): Promise&lt;void&gt;
 // 此处以不显示导航栏、状态栏为例
 let names = [];
 let promise = windowClass.setSystemBarEnable(names);
-promise.then((data)=> {
-    console.info('Succeeded in setting the system bar to be invisible. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the system bar to be invisible.');
 }).catch((err)=>{
     console.error('Failed to set the system bar to be invisible. Cause:' + JSON.stringify(err));
 });
@@ -1633,12 +1633,12 @@ let SystemBarProperties={
     statusBarContentColor:'#ffffff',
     navigationBarContentColor:'#00ffff'
 };
-windowClass.setSystemBarProperties(SystemBarProperties, (err, data) => {
+windowClass.setSystemBarProperties(SystemBarProperties, (err) => {
     if (err.code) {
         console.error('Failed to set the system bar properties. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the system bar properties. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the system bar properties.');
 });
 ```
 
@@ -1673,8 +1673,8 @@ let SystemBarProperties={
     navigationBarContentColor:'#00ffff'
 };
 let promise = windowClass.setSystemBarProperties(SystemBarProperties);
-promise.then((data)=> {
-    console.info('Succeeded in setting the system bar properties. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the system bar properties.');
 }).catch((err)=>{
     console.error('Failed to set the system bar properties. Cause: ' + JSON.stringify(err));
 });
@@ -1699,12 +1699,12 @@ setPreferredOrientation(orientation: Orientation, callback: AsyncCallback&lt;voi
 
 ```js
 let orientation = window.Orientation.AUTO_ROTATION;
-windowClass.setPreferredOrientation(orientation, (err, data) => {
+windowClass.setPreferredOrientation(orientation, (err) => {
     if (err.code) {
         console.error('Failed to set window orientation. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting window orientation. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting window orientation.');
 });
 ```
 
@@ -1733,8 +1733,8 @@ setPreferredOrientation(orientation: Orientation): Promise&lt;void&gt;
 ```js
 let orientation = window.Orientation.AUTO_ROTATION;
 let promise = windowClass.setPreferredOrientation(orientation);
-promise.then((data)=> {
-    console.info('Succeeded in setting the window orientation. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the window orientation.');
 }).catch((err)=>{
     console.error('Failed to set the window orientation. Cause: ' + JSON.stringify(err));
 });
@@ -1758,12 +1758,12 @@ loadContent(path: string, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```js
-windowClass.loadContent('pages/page2/page2', (err, data) => {
+windowClass.loadContent('pages/page2/page2', (err) => {
    if (err.code) {
          console.error('Failed to load the content. Cause:' + JSON.stringify(err));
          return;
    }
-  console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+  console.info('Succeeded in loading the content.');
 });
 ```
 
@@ -1791,8 +1791,8 @@ loadContent(path: string): Promise&lt;void&gt;
 
 ```js
 let promise = windowClass.loadContent('pages/page2/page2');
-promise.then((data)=> {
-    console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in loading the content.');
 }).catch((err)=>{
     console.error('Failed to load the content. Cause: ' + JSON.stringify(err));
 });
@@ -1824,12 +1824,12 @@ class myAbility extends Ability {
         this.storage = new LocalStorage();
         this.storage.setOrCreate('storageSimpleProp',121);
         console.log('onWindowStageCreate');
-        windowStage.loadContent('pages/page2',this.storage,(err, data) => {
+        windowStage.loadContent('pages/page2',this.storage,(err) => {
             if (err.code) {
                 console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                 return;
             }
-            console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+            console.info('Succeeded in loading the content.');
         });
     }
 }
@@ -1867,11 +1867,9 @@ class myAbility extends Ability {
         this.storage = new LocalStorage();
         this.storage.setOrCreate('storageSimpleProp',121);
         console.log('onWindowStageCreate');
-        let windowClass = null;
         let promise = windowStage.loadContent('pages/page2',this.storage);
-        promise.then((data)=> {
-            windowClass = data;
-            console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+        promise.then(()=> {
+            console.info('Succeeded in loading the content.');
         }).catch((err)=>{
             console.error('Failed to load the content. Cause:' + JSON.stringify(err));
         })
@@ -2298,12 +2296,12 @@ class TestRemoteObject extends rpc.RemoteObject {
 let token = new TestRemoteObject('testObject');
 windowClass.bindDialogTarget(token, () => {
     console.info('Dialog Window Need Destroy.');
-}, (err, data) => {
+}, (err) => {
     if (err.code) {
         console.error('Failed to bind dialog target. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in binding dialog target. Data:' + JSON.stringify(data));
+    console.info('Succeeded in binding dialog target.');
 });
 ```
 
@@ -2356,8 +2354,8 @@ let token = new TestRemoteObject('testObject');
 let promise = windowClass.bindDialogTarget(token, () => {
     console.info('Dialog Window Need Destroy.');
 });
-promise.then((data)=> {
-    console.info('Succeeded in binding dialog target. Data:' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in binding dialog target.');
 }).catch((err)=>{
         console.error('Failed to bind dialog target. Cause:' + JSON.stringify(err));
 });
@@ -2432,12 +2430,12 @@ setColorSpace(colorSpace:ColorSpace, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```js
-windowClass.setColorSpace(window.ColorSpace.WIDE_GAMUT, (err, data) => {
+windowClass.setColorSpace(window.ColorSpace.WIDE_GAMUT, (err) => {
     if (err.code) {
         console.error('Failed to set window colorspace. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting window colorspace. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting window colorspace.');
 })
 ```
 
@@ -2465,8 +2463,8 @@ setColorSpace(colorSpace:ColorSpace): Promise&lt;void&gt;
 
 ```js
 let promise = windowClass.setColorSpace(window.ColorSpace.WIDE_GAMUT);
-promise.then((data)=> {
-    console.info('Succeeded in setting window colorspace. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting window colorspace.');
 }).catch((err)=>{
     console.error('Failed to set window colorspace. Cause: ' + JSON.stringify(err));
 });
@@ -2542,12 +2540,12 @@ setBackgroundColor(color: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 let color = '#00ff33';
-windowClass.setBackgroundColor(color, (err, data) => {
+windowClass.setBackgroundColor(color, (err) => {
     if (err.code) {
         console.error('Failed to set the background color. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the background color. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the background color.');
 });
 ```
 
@@ -2576,8 +2574,8 @@ setBackgroundColor(color: string): Promise&lt;void&gt;
 ```js
 let color = '#00ff33';
 let promise = windowClass.setBackgroundColor(color);
-promise.then((data)=> {
-    console.info('Succeeded in setting the background color. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the background color.');
 }).catch((err)=>{
     console.error('Failed to set the background color. Cause: ' + JSON.stringify(err));
 });
@@ -2625,12 +2623,12 @@ setBrightness(brightness: number, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 let brightness = 1;
-windowClass.setBrightness(brightness, (err, data) => {
+windowClass.setBrightness(brightness, (err) => {
     if (err.code) {
         console.error('Failed to set the brightness. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the brightness. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the brightness.');
 });
 ```
 
@@ -2659,8 +2657,8 @@ setBrightness(brightness: number): Promise&lt;void&gt;
 ```js
 let brightness = 1;
 let promise = windowClass.setBrightness(brightness);
-promise.then((data)=> {
-    console.info('Succeeded in setting the brightness. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the brightness.');
 }).catch((err)=>{
     console.error('Failed to set the brightness. Cause: ' + JSON.stringify(err));
 });
@@ -2688,12 +2686,12 @@ setDimBehind(dimBehindValue: number, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```js
-windowClass.setDimBehind(0.5, (err, data) => {
+windowClass.setDimBehind(0.5, (err) => {
     if (err.code) {
         console.error('Failed to set the dimness. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the dimness. Data:' + JSON.stringify(data));
+    console.info('Succeeded in setting the dimness.');
 });
 ```
 
@@ -2725,8 +2723,8 @@ setDimBehind(dimBehindValue: number): Promise&lt;void&gt;
 
 ```js
 let promise = windowClass.setDimBehind(0.5);
-promise.then((data)=> {
-    console.info('Succeeded in setting the dimness. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the dimness.');
 }).catch((err)=>{
     console.error('Failed to set the dimness. Cause: ' + JSON.stringify(err));
 });
@@ -2751,12 +2749,12 @@ setFocusable(isFocusable: boolean, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 let isFocusable= true;
-windowClass.setFocusable(isFocusable, (err, data) => {
+windowClass.setFocusable(isFocusable, (err) => {
     if (err.code) {
         console.error('Failed to set the window to be focusable. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the window to be focusable. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the window to be focusable.');
 });
 ```
 
@@ -2785,8 +2783,8 @@ setFocusable(isFocusable: boolean): Promise&lt;void&gt;
 ```js
 let isFocusable= true;
 let promise = windowClass.setFocusable(isFocusable);
-promise.then((data)=> {
-    console.info('Succeeded in setting the window to be focusable. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the window to be focusable.');
 }).catch((err)=>{
     console.error('Failed to set the window to be focusable. Cause: ' + JSON.stringify(err));
 });
@@ -2811,12 +2809,12 @@ setKeepScreenOn(isKeepScreenOn: boolean, callback: AsyncCallback&lt;void&gt;): v
 
 ```js
 let isKeepScreenOn = true;
-windowClass.setKeepScreenOn(isKeepScreenOn, (err, data) => {
+windowClass.setKeepScreenOn(isKeepScreenOn, (err) => {
     if (err.code) {
         console.error('Failed to set the screen to be always on. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the screen to be always on. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the screen to be always on.');
 });
 ```
 
@@ -2874,12 +2872,12 @@ setOutsideTouchable(touchable: boolean, callback: AsyncCallback&lt;void&gt;): vo
 **示例：**
 
 ```js
-windowClass.setOutsideTouchable(true, (err, data) => {
+windowClass.setOutsideTouchable(true, (err) => {
     if (err.code) {
         console.error('Failed to set the area to be touchable. Cause: ' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the area to be touchable. Data: ' + JSON.stringify(data));
+    console.info('Succeeded in setting the area to be touchable.');
 })
 ```
 
@@ -2911,8 +2909,8 @@ setOutsideTouchable(touchable: boolean): Promise&lt;void&gt;
 
 ```js
 let promise = windowClass.setOutsideTouchable(true);
-promise.then((data)=> {
-    console.info('Succeeded in setting the area to be touchable. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the area to be touchable.');
 }).catch((err)=>{
     console.error('Failed to set the area to be touchable. Cause: ' + JSON.stringify(err));
 });
@@ -2937,12 +2935,12 @@ setPrivacyMode(isPrivacyMode: boolean, callback: AsyncCallback&lt;void&gt;): voi
 
 ```js
 let isPrivacyMode = true;
-windowClass.setPrivacyMode(isPrivacyMode, (err, data) => {
+windowClass.setPrivacyMode(isPrivacyMode, (err) => {
     if (err.code) {
         console.error('Failed to set the window to privacy mode. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the window to privacy mode. Data:' + JSON.stringify(data));
+    console.info('Succeeded in setting the window to privacy mode.');
 
 });
 ```
@@ -2972,8 +2970,8 @@ setPrivacyMode(isPrivacyMode: boolean): Promise&lt;void&gt;
 ```js
 let isPrivacyMode = true;
 let promise = windowClass.setPrivacyMode(isPrivacyMode);
-promise.then((data)=> {
-    console.info('Succeeded in setting the window to privacy mode. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the window to privacy mode.');
 }).catch((err)=>{
     console.error('Failed to set the window to privacy mode. Cause: ' + JSON.stringify(err));
 });
@@ -3017,12 +3015,12 @@ setTouchable(isTouchable: boolean, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 let isTouchable = true;
-windowClass.setTouchable(isTouchable, (err, data) => {
+windowClass.setTouchable(isTouchable, (err) => {
     if (err.code) {
         console.error('Failed to set the window to be touchable. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in setting the window to be touchable. Data:' + JSON.stringify(data));
+    console.info('Succeeded in setting the window to be touchable.');
 
 });
 ```
@@ -3052,8 +3050,8 @@ setTouchable(isTouchable: boolean): Promise&lt;void&gt;
 ```js
 let isTouchable = true;
 let promise = windowClass.setTouchable(isTouchable);
-promise.then((data)=> {
-    console.info('Succeeded in setting the window to be touchable. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in setting the window to be touchable.');
 }).catch((err)=>{
     console.error('Failed to set the window to be touchable. Cause: ' + JSON.stringify(err));
 });
@@ -3080,12 +3078,12 @@ setForbidSplitMove(isForbidSplitMove: boolean, callback: AsyncCallback&lt;void&g
 
 ```js
 let isForbidSplitMove = true;
-windowClass.setForbidSplitMove(isForbidSplitMove, (err, data) => {
+windowClass.setForbidSplitMove(isForbidSplitMove, (err) => {
     if (err.code) {
         console.error('Failed to forbid window moving in split screen mode. Cause:' + JSON.stringify(err));
         return;
     }
-    console.info('Succeeded in forbidding window moving in split screen mode. Data:' + JSON.stringify(data));
+    console.info('Succeeded in forbidding window moving in split screen mode.');
 
 });
 ```
@@ -3117,8 +3115,8 @@ setForbidSplitMove(isForbidSplitMove: boolean): Promise&lt;void&gt;
 ```js
 let isForbidSplitMove = true;
 let promise = windowClass.setForbidSplitMove(isForbidSplitMove);
-promise.then((data)=> {
-    console.info('Succeeded in forbidding window moving in split screen mode. Data: ' + JSON.stringify(data));
+promise.then(()=> {
+    console.info('Succeeded in forbidding window moving in split screen mode.');
 }).catch((err)=>{
     console.error('Failed to forbid window moving in split screen mode. Cause: ' + JSON.stringify(err));
 });
@@ -3713,12 +3711,12 @@ class myAbility extends Ability {
         this.storage = new LocalStorage();
         this.storage.setOrCreate('storageSimpleProp',121);
         console.log('onWindowStageCreate');
-        windowStage.loadContent('pages/page2',this.storage,(err, data) => {
+        windowStage.loadContent('pages/page2',this.storage,(err) => {
             if (err.code) {
                 console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                 return;
             }
-            console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+            console.info('Succeeded in loading the content.');
         });
     }
 }
@@ -3757,11 +3755,9 @@ class myAbility extends Ability {
         this.storage = new LocalStorage();
         this.storage.setOrCreate('storageSimpleProp',121);
         console.log('onWindowStageCreate');
-        let windowClass = null;
         let promise = windowStage.loadContent('pages/page2',this.storage);
-        promise.then((data)=> {
-            windowClass = data;
-            console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+        promise.then(()=> {
+            console.info('Succeeded in loading the content.');
         }).catch((err)=>{
             console.error('Failed to load the content. Cause:' + JSON.stringify(err));
         })
@@ -3793,12 +3789,12 @@ import Ability from '@ohos.application.Ability';
 class myAbility extends Ability {
     onWindowStageCreate(windowStage) {
         console.log('onWindowStageCreate');
-        windowStage.loadContent('pages/page2', (err, data) => {
+        windowStage.loadContent('pages/page2', (err) => {
             if (err.code) {
                 console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                 return;
             }
-            console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+            console.info('Succeeded in loading the content.');
         });
     }
 }
diff --git a/zh-cn/application-dev/windowmanager/application-window-fa.md b/zh-cn/application-dev/windowmanager/application-window-fa.md
index 968540c91ddbf38ebc9ce853cb8a7dbe603a0568..f22f4b5f29bb3862acc36102462d2cc736f22220 100644
--- a/zh-cn/application-dev/windowmanager/application-window-fa.md
+++ b/zh-cn/application-dev/windowmanager/application-window-fa.md
@@ -91,20 +91,20 @@
    
    ```js
    // 移动子窗口位置。
-   windowClass.moveTo(300, 300, (err, data) => {
+   windowClass.moveTo(300, 300, (err) => {
      if (err.code) {
        console.error('Failed to move the window. Cause:' + JSON.stringify(err));
        return;
      }
-     console.info('Succeeded in moving the window. Data: ' + JSON.stringify(data));
+     console.info('Succeeded in moving the window.');
    });
    // 改变子窗口大小。
-   windowClass.resetSize(500, 1000, (err, data) => {
+   windowClass.resetSize(500, 1000, (err) => {
      if (err.code) {
        console.error('Failed to change the window size. Cause:' + JSON.stringify(err));
        return;
      }
-     console.info('Succeeded in changing the window size. Data: ' + JSON.stringify(data));
+     console.info('Succeeded in changing the window size.');
    });
    ```
 
@@ -114,19 +114,19 @@
    
    ```js
    // 为子窗口加载对应的目标页面。
-   windowClass.loadContent("pages/page2", (err, data) => {
+   windowClass.loadContent("pages/page2", (err) => {
        if (err.code) {
            console.error('Failed to load the content. Cause: ' + JSON.stringify(err));
            return;
        }
-       console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+       console.info('Succeeded in loading the content.');
        // 显示子窗口。
-       windowClass.show((err, data) => {
+       windowClass.show((err) => {
         if (err.code) {
                console.error('Failed to show the window. Cause: ' + JSON.stringify(err));
                return;
            }
-           console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+           console.info('Succeeded in showing the window.');
        });
    });
    ```
@@ -137,12 +137,12 @@
    
    ```js
    // 销毁子窗口。当不再需要某些子窗口时，可根据场景的具体实现逻辑，使用destroy接口销毁子窗口。
-   windowClass.destroy((err, data) => {
+   windowClass.destroy((err) => {
        if (err.code) {
            console.error('Failed to destroy the subwindow. Cause:' + JSON.stringify(err));
            return;
        }
-       console.info('Succeeded in destroying the subwindow. Data: ' + JSON.stringify(data));
+       console.info('Succeeded in destroying the subwindow.');
    });
    ```
 
@@ -186,31 +186,31 @@
    ```js
    // 实现沉浸式效果。方式一：设置窗口全屏显示。
    let isFullScreen = true;
-   mainWindowClass.setFullScreen(isFullScreen, (err, data) => {
+   mainWindowClass.setFullScreen(isFullScreen, (err) => {
      if (err.code) {
        console.error('Failed to enable the full-screen mode. Cause:' + JSON.stringify(err));
        return;
      }
-     console.info('Succeeded in enabling the full-screen mode. Data: ' + JSON.stringify(data));
+     console.info('Succeeded in enabling the full-screen mode.');
    });
    // 实现沉浸式效果。方式二：设置导航栏、状态栏不显示。
    let names = [];
-   mainWindowClass.setSystemBarEnable(names, (err, data) => {
+   mainWindowClass.setSystemBarEnable(names, (err) => {
      if (err.code) {
        console.error('Failed to set the system bar to be visible. Cause:' + JSON.stringify(err));
        return;
      }
-     console.info('Succeeded in setting the system bar to be visible. Data: ' + JSON.stringify(data));
+     console.info('Succeeded in setting the system bar to be visible.');
    });
    // 实现沉浸式效果。
    // 方式三：设置窗口为全屏布局，配合设置状态栏、导航栏的透明度、背景/文字颜色及高亮图标等属性，与主窗口显示保持协调一致。
    let isLayoutFullScreen = true;
-   mainWindowClass.setLayoutFullScreen(isLayoutFullScreen, (err, data) => {
+   mainWindowClass.setLayoutFullScreen(isLayoutFullScreen, (err) => {
      if (err.code) {
        console.error('Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
        return;
      }
-     console.info('Succeeded in setting the window layout to full-screen mode. Data: ' + JSON.stringify(data));
+     console.info('Succeeded in setting the window layout to full-screen mode.');
    });
    let sysBarProps = {
      statusBarColor: '#ff00ff',
@@ -219,12 +219,12 @@
      statusBarContentColor: '#ffffff',
      navigationBarContentColor: '#ffffff'
    };
-   mainWindowClass.setSystemBarProperties(sysBarProps, (err, data) => {
+   mainWindowClass.setSystemBarProperties(sysBarProps, (err) => {
      if (err.code) {
        console.error('Failed to set the system bar properties. Cause: ' + JSON.stringify(err));
        return;
      }
-     console.info('Succeeded in setting the system bar properties. Data: ' + JSON.stringify(data));
+     console.info('Succeeded in setting the system bar properties.');
    });
    ```
    
@@ -234,19 +234,19 @@
    
    ```js
    // 为沉浸式窗口加载对应的目标页面。
-   mainWindowClass.loadContent("pages/page3", (err, data) => {
+   mainWindowClass.loadContent("pages/page3", (err) => {
        if (err.code) {
            console.error('Failed to load the content. Cause: ' + JSON.stringify(err));
            return;
        }
-       console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+       console.info('Succeeded in loading the content.' );
        // 显示沉浸式窗口。
-       mainWindowClass.show((err, data) => {
+       mainWindowClass.show((err) => {
            if (err.code) {
                console.error('Failed to show the window. Cause: ' + JSON.stringify(err));
                return;
            }
-           console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+           console.info('Succeeded in showing the window.');
        });
    });
    ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/windowmanager/application-window-stage.md b/zh-cn/application-dev/windowmanager/application-window-stage.md
index 1cb4e281f1c78336a50df42cbe79e1e5b7f120f0..c8042bd631327f524e0c61a1d715bbea39d1c54e 100644
--- a/zh-cn/application-dev/windowmanager/application-window-stage.md
+++ b/zh-cn/application-dev/windowmanager/application-window-stage.md
@@ -82,21 +82,21 @@ class MainAbility extends Ability {
             console.info('Succeeded in obtaining the main window. Data: ' + JSON.stringify(data));
             // 2.设置主窗口属性。以设置"是否可触"属性为例。
             let isTouchable = true;
-            windowClass.setTouchable(isTouchable, (err, data) => {
+            windowClass.setTouchable(isTouchable, (err) => {
                 if (err.code) {
                     console.error('Failed to set the window to be touchable. Cause:' + JSON.stringify(err));
                     return;
                 }
-                console.info('Succeeded in setting the window to be touchable. Data:' + JSON.stringify(data));
+                console.info('Succeeded in setting the window to be touchable.');
             })
         })
         // 3.为主窗口加载对应的目标页面。
-        windowStage.loadContent("pages/page2", (err, data) => {
+        windowStage.loadContent("pages/page2", (err) => {
             if (err.code) {
                 console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                 return;
             }
-            console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+            console.info('Succeeded in loading the content.');
         });
     }
 };
@@ -149,34 +149,34 @@ class MainAbility extends Ability {
                    sub_windowClass = data;
                });
                // 2.子窗口创建成功后，设置子窗口的位置、大小及相关属性等。
-               sub_windowClass.moveTo(300, 300, (err, data) => {
+               sub_windowClass.moveTo(300, 300, (err) => {
                    if (err.code) {
                        console.error('Failed to move the window. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in moving the window. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in moving the window.');
                });
-               sub_windowClass.resetSize(500, 1000, (err, data) => {
+               sub_windowClass.resetSize(500, 1000, (err) => {
                    if (err.code) {
                        console.error('Failed to change the window size. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in changing the window size. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in changing the window size.');
                });
                // 3.为子窗口加载对应的目标页面。
-               sub_windowClass.loadContent("pages/page3", (err, data) => {
+               sub_windowClass.loadContent("pages/page3", (err) => {
                    if (err.code) {
                        console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in loading the content.');
                    // 3.显示子窗口。
-                   sub_windowClass.show((err, data) => {
+                   sub_windowClass.show((err) => {
                        if (err.code) {
                            console.error('Failed to show the window. Cause:' + JSON.stringify(err));
                            return;
                        }
-                       console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+                       console.info('Succeeded in showing the window.');
                    });
                });
            })
@@ -184,12 +184,12 @@ class MainAbility extends Ability {
    
        destroySubWindow() {
            // 4.销毁子窗口。当不再需要子窗口时，可根据具体实现逻辑，使用destroy对其进行销毁。
-           sub_windowClass.destroy((err, data) => {
+           sub_windowClass.destroy((err) => {
                if (err.code) {
                    console.error('Failed to destroy the window. Cause: ' + JSON.stringify(err));
                    return;
                }
-               console.info('Succeeded in destroying the window. Data: ' + JSON.stringify(data));
+               console.info('Succeeded in destroying the window.');
            });
        }
    
@@ -242,30 +242,30 @@ class MainAbility extends Ability {
    
                // 2.实现沉浸式效果。方式一：设置应用主窗口为全屏显示。
                let isFullScreen = true;
-               windowClass.setFullScreen(isFullScreen, (err, data) => {
+               windowClass.setFullScreen(isFullScreen, (err) => {
                    if (err.code) {
                        console.error('Failed to enable the full-screen mode. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in enabling the full-screen mode. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in enabling the full-screen mode.');
                });
                // 2.实现沉浸式效果。方式二：设置导航栏、状态栏不显示。
                let names = [];
-               windowClass.setSystemBarEnable(names, (err, data) => {
+               windowClass.setSystemBarEnable(names, (err) => {
                    if (err.code) {
                        console.error('Failed to set the system bar to be visible. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in setting the system bar to be visible. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in setting the system bar to be visible.');
                });
                // 2.实现沉浸式效果。方式三：设置窗口为全屏布局，配合设置导航栏、状态栏的透明度、背景/文字颜色及高亮图标等属性，与主窗口显示保持协调一致。
                let isLayoutFullScreen = true;
-               windowClass.setLayoutFullScreen(isLayoutFullScreen, (err, data) => {
+               windowClass.setLayoutFullScreen(isLayoutFullScreen, (err) => {
                    if (err.code) {
                        console.error('Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in setting the window layout to full-screen mode. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in setting the window layout to full-screen mode.');
                });
                let sysBarProps = {
                    statusBarColor: '#ff00ff',
@@ -274,21 +274,21 @@ class MainAbility extends Ability {
                    statusBarContentColor: '#ffffff',
                    navigationBarContentColor: '#ffffff'
                };
-               windowClass.setSystemBarProperties(sysBarProps, (err, data) => {
+               windowClass.setSystemBarProperties(sysBarProps, (err) => {
                    if (err.code) {
                        console.error('Failed to set the system bar properties. Cause: ' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in setting the system bar properties. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in setting the system bar properties.');
                });
            })
            // 3.为沉浸式窗口加载对应的目标页面。
-           windowStage.loadContent("pages/page2", (err, data) => {
+           windowStage.loadContent("pages/page2", (err) => {
                if (err.code) {
                    console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                    return;
                }
-               console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+               console.info('Succeeded in loading the content.');
            });
        }
    };
@@ -356,43 +356,43 @@ class MainAbility extends Ability {
                console.info('Succeeded in creating the floatWindow. Data: ' + JSON.stringify(data));
                windowClass = data;
                // 3.悬浮窗窗口创建成功后，设置悬浮窗的位置、大小及相关属性等。
-               windowClass.moveTo(300, 300, (err, data) => {
+               windowClass.moveTo(300, 300, (err) => {
                    if (err.code) {
                        console.error('Failed to move the window. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in moving the window. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in moving the window.');
                });
-               windowClass.resetSize(500, 1000, (err, data) => {
+               windowClass.resetSize(500, 1000, (err) => {
                    if (err.code) {
                        console.error('Failed to change the window size. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in changing the window size. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in changing the window size.');
                });
                // 4.为悬浮窗加载对应的目标页面。
-               windowClass.loadContent("pages/page4", (err, data) => {
+               windowClass.loadContent("pages/page4", (err) => {
                    if (err.code) {
                        console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in loading the content.');
                    // 4.显示悬浮窗。
-                   windowClass.show((err, data) => {
+                   windowClass.show((err) => {
                        if (err.code) {
                            console.error('Failed to show the window. Cause: ' + JSON.stringify(err));
                            return;
                        }
-                       console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+                       console.info('Succeeded in showing the window.');
                    });
                });
                //5.销毁悬浮窗。当不再需要悬浮窗时，可根据具体实现逻辑，使用destroy对其进行销毁。
-               windowClass.destroy((err, data) => {
+               windowClass.destroy((err) => {
                    if (err.code) {
                        console.error('Failed to destroy the window. Cause: ' + JSON.stringify(err));
                        return;
                    }
-                   console.info('Succeeded in destroying the window. Data: ' + JSON.stringify(data));
+                   console.info('Succeeded in destroying the window.');
                });
            });
        }
diff --git a/zh-cn/application-dev/windowmanager/system-window-stage.md b/zh-cn/application-dev/windowmanager/system-window-stage.md
index a95c5e0335b969a4cf540ef8caea43d79bb6f734..90962f83e89293e0c77b60ceaceda0cc31e2aa6e 100644
--- a/zh-cn/application-dev/windowmanager/system-window-stage.md
+++ b/zh-cn/application-dev/windowmanager/system-window-stage.md
@@ -65,46 +65,46 @@ export default class ServiceExtensionAbility1 extends ExtensionContext {
             console.info('Succeeded in creating the volume window.')
             windowClass = data;
             // 2.创建音量条窗口成功之后，可以改变其大小、位置或设置背景色、亮度等属性。
-            windowClass.moveTo(300, 300, (err, data) => {
+            windowClass.moveTo(300, 300, (err) => {
                 if (err.code) {
                     console.error('Failed to move the window. Cause:' + JSON.stringify(err));
                     return;
                 }
-                console.info('Succeeded in moving the window. Data: ' + JSON.stringify(data));
+                console.info('Succeeded in moving the window.');
             });
-            windowClass.resetSize(500, 1000, (err, data) => {
+            windowClass.resetSize(500, 1000, (err) => {
                 if (err.code) {
                     console.error('Failed to change the window size. Cause:' + JSON.stringify(err));
                     return;
                 }
-                console.info('Succeeded in changing the window size. Data: ' + JSON.stringify(data));
+                console.info('Succeeded in changing the window size.');
             });
             // 3.为音量条窗口加载对应的目标页面。
-            windowClass.loadContent("pages/page_volume", (err, data) => {
+            windowClass.loadContent("pages/page_volume", (err) => {
                 if (err.code) {
                     console.error('Failed to load the content. Cause:' + JSON.stringify(err));
                     return;
                 }
-                console.info('Succeeded in loading the content. Data: ' + JSON.stringify(data));
+                console.info('Succeeded in loading the content.');
                 // 3.显示音量条窗口。
-                windowClass.show((err, data) => {
+                windowClass.show((err) => {
                     if (err.code) {
                         console.error('Failed to show the window. Cause:' + JSON.stringify(err));
                         return;
                     }
-                    console.info('Succeeded in showing the window. Data: ' + JSON.stringify(data));
+                    console.info('Succeeded in showing the window.');
                 });
             });
             // 4.隐藏/销毁音量条窗口。当不再需要音量条时，可根据具体实现逻辑，对其进行隐藏或销毁。
             // 此处以监听音量条区域外的点击事件为例实现音量条窗口的隐藏。
             windowClass.on('touchOutside', () => {
                 console.info('touch outside');
-                windowClass.hide((err, data) => {
+                windowClass.hide((err) => {
                     if (err.code) {
                         console.error('Failed to hide the window. Cause: ' + JSON.stringify(err));
                         return;
                     }
-                    console.info('Succeeded in hidinging the window. Data: ' + JSON.stringify(data));
+                    console.info('Succeeded in hidinging the window.');
                 });
             });
         });