diff --git a/ArkUI/orientationDevelopment/README.md b/ArkUI/orientationDevelopment/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..f58c9803656078eec5924b8d9cda3a1b59b0ae7f
--- /dev/null
+++ b/ArkUI/orientationDevelopment/README.md
@@ -0,0 +1,44 @@
+# 多设备功能开发同源代码工程
+
+## 介绍
+
+本示例为多设备功能开发同源代码工程，包含最佳实践文档中包含的推荐使用方法的样例代码。工程本身不具备实际功能，开发者请直接阅读文档结合源码来理解多设备功能开发。
+
+## 效果预览
+
+不涉及。
+
+## 工程目录
+
+```
+entry/src/main/ets
+│  ├──entryability
+│  │  └──entryability                            // 应用入口类
+│  ├──entrybackupability
+│  │  └──EntryBackupAbility.ets                  // 应用备份能力类
+│  └──pages
+│     └──Index.ets                               // 首页
+└────entry/src/main/resources 
+```
+
+## 具体实现
+
+不涉及。
+
+## 相关权限
+
+不涉及。
+
+## 依赖
+
+不涉及。
+
+## 约束与限制
+
+1.本示例仅支持标准系统上运行，支持设备：华为手机。
+
+2.HarmonyOS系统：HarmonyOS 5.0.5 Release及以上。
+
+3.DevEco Studio版本：DevEco Studio 5.0.5 Release及以上。
+
+4.HarmonyOS SDK版本：HarmonyOS 5.0.5 Release SDK及以上。
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/entryability/EntryAbility.ets b/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/entryability/EntryAbility.ets
deleted file mode 100644
index 508880af8c33aa838016d1cd4b2c68be2f447540..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/entryability/EntryAbility.ets
+++ /dev/null
@@ -1,44 +0,0 @@
-import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import { window } from '@kit.ArkUI';
-
-const DOMAIN = 0x0000;
-
-export default class EntryAbility extends UIAbility {
-  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
-    this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
-  }
-
-  onDestroy(): void {
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
-  }
-
-  onWindowStageCreate(windowStage: window.WindowStage): void {
-    // Main window is created, set main page for this ability
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
-
-    windowStage.loadContent('pages/Index', (err) => {
-      if (err.code) {
-        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
-        return;
-      }
-      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
-    });
-  }
-
-  onWindowStageDestroy(): void {
-    // Main window is destroyed, release UI related resources
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
-  }
-
-  onForeground(): void {
-    // Ability has brought to foreground
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
-  }
-
-  onBackground(): void {
-    // Ability has back to background
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/entrybackupability/EntryBackupAbility.ets b/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/entrybackupability/EntryBackupAbility.ets
deleted file mode 100644
index 8e4de99282050bad799ac892eb85ac5449364a51..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/entrybackupability/EntryBackupAbility.ets
+++ /dev/null
@@ -1,16 +0,0 @@
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import { BackupExtensionAbility, BundleVersion } from '@kit.CoreFileKit';
-
-const DOMAIN = 0x0000;
-
-export default class EntryBackupAbility extends BackupExtensionAbility {
-  async onBackup() {
-    hilog.info(DOMAIN, 'testTag', 'onBackup ok');
-    await Promise.resolve();
-  }
-
-  async onRestore(bundleVersion: BundleVersion) {
-    hilog.info(DOMAIN, 'testTag', 'onRestore ok %{public}s', JSON.stringify(bundleVersion));
-    await Promise.resolve();
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/pages/Index.ets b/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/pages/Index.ets
deleted file mode 100644
index 8e2d24ad42693fc877d51bb7820f0a9da68fa135..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/ets/pages/Index.ets
+++ /dev/null
@@ -1,23 +0,0 @@
-@Entry
-@Component
-struct Index {
-  @State message: string = 'Hello World';
-
-  build() {
-    RelativeContainer() {
-      Text(this.message)
-        .id('HelloWorld')
-        .fontSize($r('app.float.page_text_font_size'))
-        .fontWeight(FontWeight.Bold)
-        .alignRules({
-          center: { anchor: '__container__', align: VerticalAlign.Center },
-          middle: { anchor: '__container__', align: HorizontalAlign.Center }
-        })
-        .onClick(() => {
-          this.message = 'Welcome';
-        })
-    }
-    .height('100%')
-    .width('100%')
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/module.json5 b/ArkUI/orientationDevelopment/entry/src/main/configautorotation/module.json5
deleted file mode 100644
index 01b6011d32a16efa9066ff41154ba5b688b2efa3..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configautorotation/module.json5
+++ /dev/null
@@ -1,64 +0,0 @@
-// [Start module]
-{
-  "module": {
-    // [StartExclude module]
-    "name": "entry",
-    "type": "entry",
-    "description": "$string:module_desc",
-    "mainElement": "EntryAbility",
-    "deviceTypes": [
-      "phone",
-      "tablet",
-      "2in1",
-      "wearable"
-    ],
-    "deliveryWithInstall": true,
-    "installationFree": false,
-    "pages": "$profile:main_pages",
-    // [EndExclude module]
-    "abilities": [
-      {
-        "name": "EntryAbility",
-        // [StartExclude module]
-        "srcEntry": "./ets/entryability/EntryAbility.ets",
-        "description": "$string:EntryAbility_desc",
-        "icon": "$media:layered_image",
-        "label": "$string:EntryAbility_label",
-        "startWindowIcon": "$media:startIcon",
-        // [EndExclude module]
-        "orientation": "auto_rotation",
-        // [StartExclude module]
-        "startWindowBackground": "$color:start_window_background",
-        "exported": true,
-        "skills": [
-          {
-            "entities": [
-              "entity.system.home"
-            ],
-            "actions": [
-              "action.system.home"
-            ]
-          }
-        ],
-        // [EndExclude module]
-      }
-    ],
-    // [StartExclude module]
-    "extensionAbilities": [
-      {
-        "name": "EntryBackupAbility",
-        "srcEntry": "./ets/entrybackupability/EntryBackupAbility.ets",
-        "type": "backup",
-        "exported": false,
-        "metadata": [
-          {
-            "name": "ohos.extension.backup",
-            "resource": "$profile:backup_config"
-          }
-        ],
-      }
-    ],
-    // [EndExclude module]
-  }
-}
-// [End module]
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/entryability/EntryAbility.ets b/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/entryability/EntryAbility.ets
deleted file mode 100644
index 508880af8c33aa838016d1cd4b2c68be2f447540..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/entryability/EntryAbility.ets
+++ /dev/null
@@ -1,44 +0,0 @@
-import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import { window } from '@kit.ArkUI';
-
-const DOMAIN = 0x0000;
-
-export default class EntryAbility extends UIAbility {
-  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
-    this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
-  }
-
-  onDestroy(): void {
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
-  }
-
-  onWindowStageCreate(windowStage: window.WindowStage): void {
-    // Main window is created, set main page for this ability
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
-
-    windowStage.loadContent('pages/Index', (err) => {
-      if (err.code) {
-        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
-        return;
-      }
-      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
-    });
-  }
-
-  onWindowStageDestroy(): void {
-    // Main window is destroyed, release UI related resources
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
-  }
-
-  onForeground(): void {
-    // Ability has brought to foreground
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
-  }
-
-  onBackground(): void {
-    // Ability has back to background
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/entrybackupability/EntryBackupAbility.ets b/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/entrybackupability/EntryBackupAbility.ets
deleted file mode 100644
index 8e4de99282050bad799ac892eb85ac5449364a51..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/entrybackupability/EntryBackupAbility.ets
+++ /dev/null
@@ -1,16 +0,0 @@
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import { BackupExtensionAbility, BundleVersion } from '@kit.CoreFileKit';
-
-const DOMAIN = 0x0000;
-
-export default class EntryBackupAbility extends BackupExtensionAbility {
-  async onBackup() {
-    hilog.info(DOMAIN, 'testTag', 'onBackup ok');
-    await Promise.resolve();
-  }
-
-  async onRestore(bundleVersion: BundleVersion) {
-    hilog.info(DOMAIN, 'testTag', 'onRestore ok %{public}s', JSON.stringify(bundleVersion));
-    await Promise.resolve();
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/pages/Index.ets b/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/pages/Index.ets
deleted file mode 100644
index 8e2d24ad42693fc877d51bb7820f0a9da68fa135..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/ets/pages/Index.ets
+++ /dev/null
@@ -1,23 +0,0 @@
-@Entry
-@Component
-struct Index {
-  @State message: string = 'Hello World';
-
-  build() {
-    RelativeContainer() {
-      Text(this.message)
-        .id('HelloWorld')
-        .fontSize($r('app.float.page_text_font_size'))
-        .fontWeight(FontWeight.Bold)
-        .alignRules({
-          center: { anchor: '__container__', align: VerticalAlign.Center },
-          middle: { anchor: '__container__', align: HorizontalAlign.Center }
-        })
-        .onClick(() => {
-          this.message = 'Welcome';
-        })
-    }
-    .height('100%')
-    .width('100%')
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/module.json5 b/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/module.json5
deleted file mode 100644
index f45f9d029f91c61f81f22b479b62672587a1db69..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configlandscapeauto/module.json5
+++ /dev/null
@@ -1,64 +0,0 @@
-// [Start module]
-{
-  "module": {
-    // [StartExclude module]
-    "name": "entry",
-    "type": "entry",
-    "description": "$string:module_desc",
-    "mainElement": "EntryAbility",
-    "deviceTypes": [
-      "phone",
-      "tablet",
-      "2in1",
-      "wearable"
-    ],
-    "deliveryWithInstall": true,
-    "installationFree": false,
-    "pages": "$profile:main_pages",
-    // [EndExclude module]
-    "abilities": [
-      {
-        "name": "EntryAbility",
-        // [StartExclude module]
-        "srcEntry": "./ets/entryability/EntryAbility.ets",
-        "description": "$string:EntryAbility_desc",
-        "icon": "$media:layered_image",
-        "label": "$string:EntryAbility_label",
-        "startWindowIcon": "$media:startIcon",
-        // [EndExclude module]
-        "preferMultiWindowOrientation": "landscape_auto",
-        // [StartExclude module]
-        "startWindowBackground": "$color:start_window_background",
-        "exported": true,
-        "skills": [
-          {
-            "entities": [
-              "entity.system.home"
-            ],
-            "actions": [
-              "action.system.home"
-            ]
-          }
-        ],
-        // [EndExclude module]
-      }
-    ],
-    // [StartExclude module]
-    "extensionAbilities": [
-      {
-        "name": "EntryBackupAbility",
-        "srcEntry": "./ets/entrybackupability/EntryBackupAbility.ets",
-        "type": "backup",
-        "exported": false,
-        "metadata": [
-          {
-            "name": "ohos.extension.backup",
-            "resource": "$profile:backup_config"
-          }
-        ],
-      }
-    ],
-    // [EndExclude module]
-  }
-}
-// [End module]
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/entryability/EntryAbility.ets b/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/entryability/EntryAbility.ets
deleted file mode 100644
index 508880af8c33aa838016d1cd4b2c68be2f447540..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/entryability/EntryAbility.ets
+++ /dev/null
@@ -1,44 +0,0 @@
-import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import { window } from '@kit.ArkUI';
-
-const DOMAIN = 0x0000;
-
-export default class EntryAbility extends UIAbility {
-  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
-    this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
-  }
-
-  onDestroy(): void {
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
-  }
-
-  onWindowStageCreate(windowStage: window.WindowStage): void {
-    // Main window is created, set main page for this ability
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
-
-    windowStage.loadContent('pages/Index', (err) => {
-      if (err.code) {
-        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
-        return;
-      }
-      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
-    });
-  }
-
-  onWindowStageDestroy(): void {
-    // Main window is destroyed, release UI related resources
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
-  }
-
-  onForeground(): void {
-    // Ability has brought to foreground
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
-  }
-
-  onBackground(): void {
-    // Ability has back to background
-    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/entrybackupability/EntryBackupAbility.ets b/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/entrybackupability/EntryBackupAbility.ets
deleted file mode 100644
index 8e4de99282050bad799ac892eb85ac5449364a51..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/entrybackupability/EntryBackupAbility.ets
+++ /dev/null
@@ -1,16 +0,0 @@
-import { hilog } from '@kit.PerformanceAnalysisKit';
-import { BackupExtensionAbility, BundleVersion } from '@kit.CoreFileKit';
-
-const DOMAIN = 0x0000;
-
-export default class EntryBackupAbility extends BackupExtensionAbility {
-  async onBackup() {
-    hilog.info(DOMAIN, 'testTag', 'onBackup ok');
-    await Promise.resolve();
-  }
-
-  async onRestore(bundleVersion: BundleVersion) {
-    hilog.info(DOMAIN, 'testTag', 'onRestore ok %{public}s', JSON.stringify(bundleVersion));
-    await Promise.resolve();
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/pages/Index.ets b/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/pages/Index.ets
deleted file mode 100644
index 8e2d24ad42693fc877d51bb7820f0a9da68fa135..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configportrait/ets/pages/Index.ets
+++ /dev/null
@@ -1,23 +0,0 @@
-@Entry
-@Component
-struct Index {
-  @State message: string = 'Hello World';
-
-  build() {
-    RelativeContainer() {
-      Text(this.message)
-        .id('HelloWorld')
-        .fontSize($r('app.float.page_text_font_size'))
-        .fontWeight(FontWeight.Bold)
-        .alignRules({
-          center: { anchor: '__container__', align: VerticalAlign.Center },
-          middle: { anchor: '__container__', align: HorizontalAlign.Center }
-        })
-        .onClick(() => {
-          this.message = 'Welcome';
-        })
-    }
-    .height('100%')
-    .width('100%')
-  }
-}
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/configportrait/module.json5 b/ArkUI/orientationDevelopment/entry/src/main/configportrait/module.json5
deleted file mode 100644
index e53c330271e45c24bcf12f1209675100aa3a2ebc..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/configportrait/module.json5
+++ /dev/null
@@ -1,64 +0,0 @@
-// [Start module]
-{
-  "module": {
-    // [StartExclude module]
-    "name": "entry",
-    "type": "entry",
-    "description": "$string:module_desc",
-    "mainElement": "EntryAbility",
-    "deviceTypes": [
-      "phone",
-      "tablet",
-      "2in1",
-      "wearable"
-    ],
-    "deliveryWithInstall": true,
-    "installationFree": false,
-    "pages": "$profile:main_pages",
-    // [EndExclude module]
-    "abilities": [
-      {
-        "name": "EntryAbility",
-        // [StartExclude module]
-        "srcEntry": "./ets/entryability/EntryAbility.ets",
-        "description": "$string:EntryAbility_desc",
-        "icon": "$media:layered_image",
-        "label": "$string:EntryAbility_label",
-        "startWindowIcon": "$media:startIcon",
-        // [EndExclude module]
-        "orientation": "portrait",
-        // [StartExclude module]
-        "startWindowBackground": "$color:start_window_background",
-        "exported": true,
-        "skills": [
-          {
-            "entities": [
-              "entity.system.home"
-            ],
-            "actions": [
-              "action.system.home"
-            ]
-          }
-        ],
-        // [EndExclude module]
-      }
-    ],
-    // [StartExclude module]
-    "extensionAbilities": [
-      {
-        "name": "EntryBackupAbility",
-        "srcEntry": "./ets/entrybackupability/EntryBackupAbility.ets",
-        "type": "backup",
-        "exported": false,
-        "metadata": [
-          {
-            "name": "ohos.extension.backup",
-            "resource": "$profile:backup_config"
-          }
-        ],
-      }
-    ],
-    // [EndExclude module]
-  }
-}
-// [End module]
\ No newline at end of file
diff --git a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/Index.ets b/ArkUI/orientationDevelopment/entry/src/main/ets/pages/Index.ets
index 1c7a6e8aafb095c7e79d163cd5bf9ff1af6efdde..5c9b16d972f642af02cd37e30584c3301d8a495b 100644
--- a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/Index.ets
+++ b/ArkUI/orientationDevelopment/entry/src/main/ets/pages/Index.ets
@@ -1,5 +1,6 @@
 // [Start enable_nfc]
 import { nfcController } from '@kit.ConnectivityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
 
 @Entry
 @Component
diff --git a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/MediaQueryPage.ets b/ArkUI/orientationDevelopment/entry/src/main/ets/pages/MediaQueryPage.ets
deleted file mode 100644
index c71a990e05a7a705c53851282dd948e83fc9c398..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/MediaQueryPage.ets
+++ /dev/null
@@ -1,71 +0,0 @@
-import { mediaquery, window } from '@kit.ArkUI';
-import { common } from '@kit.AbilityKit';
-
-// [Start Media]
-@Entry
-@Component
-struct MediaQueryPage {
-  @State color: string = '#DB7093';
-  @State text: string = 'Portrait';
-  // The condition is true when the device is in landscape orientation
-  listener: mediaquery.MediaQueryListener =
-    this.getUIContext().getMediaQuery().matchMediaSync('(orientation: landscape)');
-  // When the media query conditions are met, a callback is triggered
-  onPortrait(mediaQueryResult: mediaquery.MediaQueryResult) {
-    if (mediaQueryResult.matches as boolean) {
-      // If the device is in landscape orientation, change the corresponding page layout
-      this.color = '#FFD700';
-      this.text = 'Landscape';
-    } else {
-      this.color = '#DB7093';
-      this.text = 'Portrait';
-    }
-  }
-  aboutToAppear() {
-    // Bind the current application instance
-    // Bind a callback function
-    this.listener.on('change', (mediaQueryResult: mediaquery.MediaQueryResult) => {
-      this.onPortrait(mediaQueryResult)
-    });
-  }
-  aboutToDisappear() {
-    // Unbind the callback function registered in the listener
-    this.listener.off('change');
-  }
-
-  // Change the horizontal and vertical screen status functions of the device
-  private changeOrientation(isLandscape: boolean) {
-    // Obtain the context of the UIAbility instance
-    let context: common.UIAbilityContext = this.getUIContext().getHostContext() as common.UIAbilityContext;
-    // Call this API to manually change the horizontal and vertical screen status of the device
-    window.getLastWindow(context).then((lastWindow) => {
-      lastWindow.setPreferredOrientation(isLandscape ? window.Orientation.LANDSCAPE : window.Orientation.PORTRAIT)
-    });
-  }
-
-  build() {
-    Column({ space: 50 }) {
-      Text(this.text)
-        .fontSize(50)
-        .fontColor(this.color)
-      Text('Landscape')
-        .fontSize(50)
-        .fontColor(this.color)
-        .backgroundColor(Color.Orange)
-        .onClick(() => {
-          this.changeOrientation(true);
-        })
-      Text('Portrait')
-        .fontSize(50)
-        .fontColor(this.color)
-        .backgroundColor(Color.Orange)
-        .onClick(() => {
-          this.changeOrientation(false);
-        })
-    }
-    .width('100%')
-    .height('100%')
-  }
-}
-
-// [End Media]
diff --git a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/OrientationPage.ets b/ArkUI/orientationDevelopment/entry/src/main/ets/pages/OrientationPage.ets
deleted file mode 100644
index 72e0ed10f9749da076c654256e9fcd7aa442986e..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/OrientationPage.ets
+++ /dev/null
@@ -1,91 +0,0 @@
-// [Start orientation]
-import { display, window } from '@kit.ArkUI';
-
-const TAG = 'foo';
-const ORIENTATION: Array<string> = ['垂直', '平', '反向垂直', '反向水平'];
-
-@Entry
-@Component
-struct OrientationPage {
-  @State rotation: number = 0;
-  @State message: string = ORIENTATION[this.rotation];
-  @Watch('setWindowLayOut') @State isLandscape: boolean = false;
-
-  aboutToAppear() {
-    this.setOrientation(1);
-    let callback = async () => {
-      let getDefaultDisplay = display.getDefaultDisplaySync();
-      this.rotation = getDefaultDisplay.rotation;
-      this.message = ORIENTATION[this.rotation];
-    };
-    try {
-      display.on('change', callback);
-    } catch (exception) {
-      hilog.error(0x0000, TAG, 'Failed to register callback. Code: ' + JSON.stringify(exception));
-    }
-  }
-
-  setOrientation(type: number) {
-    try {
-      window.getLastWindow(getContext(this), (err, data) => {
-        //获取window实例
-        if (err.code) {
-          hilog.error(0x0000, TAG, 'Failed to obtain the top window. Cause: ' + JSON.stringify(err));
-          return;
-        }
-        let windowClass = data;
-        hilog.info(0x0000, TAG, 'Succeeded in obtaining the top window. Data: ' + JSON.stringify(data));
-        let orientation: number;
-        if (type === 1) {
-          orientation = window.Orientation.AUTO_ROTATION;
-        } else {
-          orientation = window.Orientation.UNSPECIFIED;
-        }
-        try {
-          windowClass.setPreferredOrientation(orientation, (err) => {
-            if (err.code) {
-              hilog.error(0x0000, TAG, 'Failed to set window orientation. Cause: ' + JSON.stringify(err));
-              return;
-            }
-            hilog.info(0x0000, 'Succeeded in setting window orientation.');
-          });
-        } catch (exception) {
-          hilog.error(0x0000, TAG, 'Failed to set window orientation. Cause: ' + JSON.stringify(exception));
-        }
-      });
-    } catch (exception) {
-      hilog.error(0x0000, TAG, 'Failed to obtain the top window. Cause: ' + JSON.stringify(exception));
-    }
-  }
-
-  setWindowLayOut() {
-    window.getLastWindow(getContext(this)).then((windowClass) => {
-      if (this.isLandscape) {
-        hilog.info(0x0000, 'OrientationPage', '设置屏幕横屏');
-        windowClass.setPreferredOrientation(window.Orientation.AUTO_ROTATION_LANDSCAPE);
-      } else {
-        hilog.info(0x0000, 'OrientationPage', '设置屏幕竖屏');
-        windowClass.setPreferredOrientation(window.Orientation.AUTO_ROTATION_PORTRAIT);
-      }
-    });
-  }
-
-  build() {
-    Row() {
-      Column() {
-        Text(`${this.rotation}`)
-          .fontSize(25)
-        Text(`${this.message}`)
-          .fontSize(25)
-        Button('全屏')
-          .width(140)
-          .onClick(() => {
-            this.isLandscape = !this.isLandscape;
-          })
-      }
-      .width('100%')
-    }
-    .height('100%')
-  }
-}
-// [End orientation]
diff --git a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/ScreenRotationA.ets b/ArkUI/orientationDevelopment/entry/src/main/ets/pages/ScreenRotationA.ets
deleted file mode 100644
index 6d7948a9fef7441c53a005affe62aa8330bb79b3..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/ScreenRotationA.ets
+++ /dev/null
@@ -1,25 +0,0 @@
-import { window } from '@kit.ArkUI';
-
-@Component
-struct ScreenRotationA {
-  // [Start orientation]
-  @StorageLink('mainWindow') mainWindow?: window.Window = undefined;
-  public lastOrientation?: window.Orientation;
-
-  aboutToAppear(): void {
-    if (this.mainWindow === undefined) {
-      return;
-    }
-    this.lastOrientation = this.mainWindow!.getPreferredOrientation();
-    this.mainWindow!.setPreferredOrientation(window.Orientation.LANDSCAPE);
-  }
-
-  aboutToDisappear(): void {
-    this.mainWindow!.setPreferredOrientation(this.lastOrientation)
-  }
-  // [End orientation]
-
-  build() {
-    Text('你好')
-  }
-}
diff --git a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/ScreenRotationB.ets b/ArkUI/orientationDevelopment/entry/src/main/ets/pages/ScreenRotationB.ets
deleted file mode 100644
index 80b24fa49d12fc2f810b0994086cfb12253423d8..0000000000000000000000000000000000000000
--- a/ArkUI/orientationDevelopment/entry/src/main/ets/pages/ScreenRotationB.ets
+++ /dev/null
@@ -1,20 +0,0 @@
-import { common } from '@kit.AbilityKit';
-
-@Component
-struct ScreenRotationB {
-  // [Start window]
-  private windowClass = (this.getUIContext().getHostContext() as common.UIAbilityContext).windowStage.getMainWindowSync()
-
-  aboutToAppear(): void {
-    this.windowClass.enableLandscapeMultiWindow();
-  }
-
-  aboutToDisappear(): void {
-    this.windowClass.disableLandscapeMultiWindow();
-  }
-  // [End window]
-
-  build() {
-    Text('你好')
-  }
-}