diff --git a/PageAndData03/03_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets b/PageAndData03/03_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets
index e2ca4d96d32673d24b9815bf7bb316c5e3639895..81979488638807c1b9068e5ac79bb45e4a76be66 100644
--- a/PageAndData03/03_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets
+++ b/PageAndData03/03_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets
@@ -15,7 +15,6 @@
 
 import { connection } from '@kit.NetworkKit';
 import { BusinessError } from '@kit.BasicServicesKit';
-import { promptAction } from '@kit.ArkUI';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 
 const TAG: string = 'ConnectionUtils';
@@ -71,23 +70,23 @@ export class ConnectionUtils {
   /**
    *The method of listening to the network status.
    */
-  registerNetworkAvailableStatus() {
+  registerNetworkAvailableStatus(context: UIContext) {
     this.netConnection.on('netAvailable', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Available'),
         duration: 2000
       });
     });
 
     this.netConnection.on('netUnavailable', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Unavailable'),
         duration: 2000
       });
     });
 
     this.netConnection.on('netLost', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Lost'),
         duration: 2000
       });
diff --git a/PageAndData03/03_Complete/entry/src/main/ets/entryability/EntryAbility.ets b/PageAndData03/03_Complete/entry/src/main/ets/entryability/EntryAbility.ets
index 4a69eff069010eb1fce2a8f550777f30832a0a87..c822fc33f0df9fe704e248b9f88b739c67d82b83 100644
--- a/PageAndData03/03_Complete/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/PageAndData03/03_Complete/entry/src/main/ets/entryability/EntryAbility.ets
@@ -49,7 +49,8 @@ export default class entryAbility extends UIAbility {
         hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
         return;
       }
-      ConnectionUtils.registerNetworkAvailableStatus();
+      let context: UIContext = windowStage.getMainWindowSync().getUIContext();
+      ConnectionUtils.registerNetworkAvailableStatus(context);
       hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
       hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
     });
diff --git a/PageAndData03/03_Complete/entry/src/main/ets/pages/LoginPage.ets b/PageAndData03/03_Complete/entry/src/main/ets/pages/LoginPage.ets
index e736b5a437164f41a5d0ca1a3979b89599cf93d4..c2325aaea036f65422fd71763f3fca954e2f6ed8 100644
--- a/PageAndData03/03_Complete/entry/src/main/ets/pages/LoginPage.ets
+++ b/PageAndData03/03_Complete/entry/src/main/ets/pages/LoginPage.ets
@@ -13,9 +13,7 @@
  * limitations under the License.
  */
 
-import { promptAction } from '@kit.ArkUI';
 import ConnectionUtils from '../common/network/ConnectionUtils';
-import { MainPage } from './MainPage';
 
 @Extend(TextInput)
 function inputStyle() {
@@ -65,7 +63,7 @@ struct LoginPage {
 
   login(result: boolean): void {
     if (this.account === '' || this.password === '') {
-      promptAction.showToast({
+      this.getUIContext().getPromptAction().showToast({
         message: $r('app.string.input_empty_tips')
       });
     } else {
@@ -78,7 +76,7 @@ struct LoginPage {
           if (result) {
             this.pathStack.pushPathByName('MainPage', null);
           } else {
-            promptAction.showToast({
+            this.getUIContext().getPromptAction().showToast({
               message: $r('app.string.Network_Lost')
             });
           }
diff --git a/PageAndData03/03_Complete/entry/src/main/ets/view/Home.ets b/PageAndData03/03_Complete/entry/src/main/ets/view/Home.ets
index f5fbc66cde44aa27a7264296a0cf63baad822fb3..221ac1a99f79b6880b72644893f6112304688083 100644
--- a/PageAndData03/03_Complete/entry/src/main/ets/view/Home.ets
+++ b/PageAndData03/03_Complete/entry/src/main/ets/view/Home.ets
@@ -28,7 +28,7 @@ export default struct Home {
   @State httpGridItems: Array<ListInfo> = [];
   @State pictureUri: string = '';
   private swiperController: SwiperController = new SwiperController();
-  private context = getContext(this) as common.UIAbilityContext;
+  private context = this.getUIContext().getHostContext() as common.UIAbilityContext;
   private applicationContext = this.context.getApplicationContext();
   private cacheDir = this.applicationContext.filesDir;
 
diff --git a/PageAndData03/03_Complete/entry/src/main/ets/view/test.ets b/PageAndData03/03_Complete/entry/src/main/ets/view/test.ets
index 74041dada999c834c52b23f6b5e7c301f0e51ae7..a120ae7fac6bb49face16b512937d75dff12d83b 100644
--- a/PageAndData03/03_Complete/entry/src/main/ets/view/test.ets
+++ b/PageAndData03/03_Complete/entry/src/main/ets/view/test.ets
@@ -25,7 +25,7 @@ export default struct Home {
   @State httpGridItems: Array<ListInfo> = [];
   @State pictureUri: string = '';
   private swiperController: SwiperController = new SwiperController();
-  private context = getContext(this) as common.UIAbilityContext;
+  private context = this.getUIContext().getHostContext() as common.UIAbilityContext;
   private applicationContext = this.context.getApplicationContext();
   private cacheDir = this.applicationContext.filesDir;
 
diff --git a/PageAndData04/04_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets b/PageAndData04/04_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets
index e2ca4d96d32673d24b9815bf7bb316c5e3639895..81979488638807c1b9068e5ac79bb45e4a76be66 100644
--- a/PageAndData04/04_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets
+++ b/PageAndData04/04_Complete/entry/src/main/ets/common/network/ConnectionUtils.ets
@@ -15,7 +15,6 @@
 
 import { connection } from '@kit.NetworkKit';
 import { BusinessError } from '@kit.BasicServicesKit';
-import { promptAction } from '@kit.ArkUI';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 
 const TAG: string = 'ConnectionUtils';
@@ -71,23 +70,23 @@ export class ConnectionUtils {
   /**
    *The method of listening to the network status.
    */
-  registerNetworkAvailableStatus() {
+  registerNetworkAvailableStatus(context: UIContext) {
     this.netConnection.on('netAvailable', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Available'),
         duration: 2000
       });
     });
 
     this.netConnection.on('netUnavailable', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Unavailable'),
         duration: 2000
       });
     });
 
     this.netConnection.on('netLost', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Lost'),
         duration: 2000
       });
diff --git a/PageAndData04/04_Complete/entry/src/main/ets/entryability/EntryAbility.ets b/PageAndData04/04_Complete/entry/src/main/ets/entryability/EntryAbility.ets
index d113d5a0dfb97deea90c6088c4162338d3c80bb6..b3294e902d02dcdcf5978459bcd2af0c7b21e345 100644
--- a/PageAndData04/04_Complete/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/PageAndData04/04_Complete/entry/src/main/ets/entryability/EntryAbility.ets
@@ -53,7 +53,8 @@ export default class entryAbility extends UIAbility {
         hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
         return;
       }
-      ConnectionUtils.registerNetworkAvailableStatus();
+      let context: UIContext = windowStage.getMainWindowSync().getUIContext();
+      ConnectionUtils.registerNetworkAvailableStatus(context);
       hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
       hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
     });
diff --git a/PageAndData04/04_Complete/entry/src/main/ets/pages/GoalPage.ets b/PageAndData04/04_Complete/entry/src/main/ets/pages/GoalPage.ets
index e09d53b6b457a61e8118b60afa0ed692234f11cd..de1dddcdb39969cc4f2ff2601408b38c05b66efa 100644
--- a/PageAndData04/04_Complete/entry/src/main/ets/pages/GoalPage.ets
+++ b/PageAndData04/04_Complete/entry/src/main/ets/pages/GoalPage.ets
@@ -333,7 +333,7 @@ export struct GoalPage {
                     .width('40vp')
                     .margin({ right: '16vp' })
                     .onClick(() => {
-                      AlertDialog.show(
+                      this.getUIContext().showAlertDialog(
                         {
                           message: $r('app.string.delete_question'),
                           autoCancel: true,
diff --git a/PageAndData04/04_Complete/entry/src/main/ets/pages/LoginPage.ets b/PageAndData04/04_Complete/entry/src/main/ets/pages/LoginPage.ets
index 2f543a45f04be52bea8b081aef4804165ffe3441..62ff5c8cc506e837b415637aa52fdfd5d503e9b0 100644
--- a/PageAndData04/04_Complete/entry/src/main/ets/pages/LoginPage.ets
+++ b/PageAndData04/04_Complete/entry/src/main/ets/pages/LoginPage.ets
@@ -64,7 +64,7 @@ struct LoginPage {
 
   login(result: boolean): void {
     if (this.account === '' || this.password === '') {
-      promptAction.showToast({
+      this.getUIContext().getPromptAction().showToast({
         message: $r('app.string.input_empty_tips')
       });
     } else {
@@ -77,7 +77,7 @@ struct LoginPage {
           if (result) {
             this.pathStack.pushPathByName('MainPage', null);
           } else {
-            promptAction.showToast({
+            this.getUIContext().getPromptAction().showToast({
               message: $r('app.string.Network_Lost')
             });
           }
diff --git a/PageAndData04/04_Complete/entry/src/main/ets/view/Home.ets b/PageAndData04/04_Complete/entry/src/main/ets/view/Home.ets
index 1f23a3928fbdc39be5b65160db2744e195ab343a..e0b9aeee2a976e1bd92b26dd35b918b3de2df054 100644
--- a/PageAndData04/04_Complete/entry/src/main/ets/view/Home.ets
+++ b/PageAndData04/04_Complete/entry/src/main/ets/view/Home.ets
@@ -30,7 +30,7 @@ export default struct Home {
   @State pictureUri: string = '';
   @Link pathStack: NavPathStack;
   private swiperController: SwiperController = new SwiperController();
-  context = getContext(this) as common.UIAbilityContext;
+  private context = this.getUIContext().getHostContext() as common.UIAbilityContext;
   applicationContext = this.context.getApplicationContext();
   cacheDir = this.applicationContext.filesDir;
 
diff --git a/PageAndData04/04_StartingPoint/entry/src/main/ets/common/network/ConnectionUtils.ets b/PageAndData04/04_StartingPoint/entry/src/main/ets/common/network/ConnectionUtils.ets
index e2ca4d96d32673d24b9815bf7bb316c5e3639895..81979488638807c1b9068e5ac79bb45e4a76be66 100644
--- a/PageAndData04/04_StartingPoint/entry/src/main/ets/common/network/ConnectionUtils.ets
+++ b/PageAndData04/04_StartingPoint/entry/src/main/ets/common/network/ConnectionUtils.ets
@@ -15,7 +15,6 @@
 
 import { connection } from '@kit.NetworkKit';
 import { BusinessError } from '@kit.BasicServicesKit';
-import { promptAction } from '@kit.ArkUI';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 
 const TAG: string = 'ConnectionUtils';
@@ -71,23 +70,23 @@ export class ConnectionUtils {
   /**
    *The method of listening to the network status.
    */
-  registerNetworkAvailableStatus() {
+  registerNetworkAvailableStatus(context: UIContext) {
     this.netConnection.on('netAvailable', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Available'),
         duration: 2000
       });
     });
 
     this.netConnection.on('netUnavailable', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Unavailable'),
         duration: 2000
       });
     });
 
     this.netConnection.on('netLost', () => {
-      promptAction.showToast({
+      context.getPromptAction().showToast({
         message: $r('app.string.Network_Lost'),
         duration: 2000
       });
diff --git a/PageAndData04/04_StartingPoint/entry/src/main/ets/entryability/EntryAbility.ets b/PageAndData04/04_StartingPoint/entry/src/main/ets/entryability/EntryAbility.ets
index 4a69eff069010eb1fce2a8f550777f30832a0a87..c822fc33f0df9fe704e248b9f88b739c67d82b83 100644
--- a/PageAndData04/04_StartingPoint/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/PageAndData04/04_StartingPoint/entry/src/main/ets/entryability/EntryAbility.ets
@@ -49,7 +49,8 @@ export default class entryAbility extends UIAbility {
         hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
         return;
       }
-      ConnectionUtils.registerNetworkAvailableStatus();
+      let context: UIContext = windowStage.getMainWindowSync().getUIContext();
+      ConnectionUtils.registerNetworkAvailableStatus(context);
       hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
       hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
     });
diff --git a/PageAndData04/04_StartingPoint/entry/src/main/ets/pages/LoginPage.ets b/PageAndData04/04_StartingPoint/entry/src/main/ets/pages/LoginPage.ets
index e736b5a437164f41a5d0ca1a3979b89599cf93d4..c2325aaea036f65422fd71763f3fca954e2f6ed8 100644
--- a/PageAndData04/04_StartingPoint/entry/src/main/ets/pages/LoginPage.ets
+++ b/PageAndData04/04_StartingPoint/entry/src/main/ets/pages/LoginPage.ets
@@ -13,9 +13,7 @@
  * limitations under the License.
  */
 
-import { promptAction } from '@kit.ArkUI';
 import ConnectionUtils from '../common/network/ConnectionUtils';
-import { MainPage } from './MainPage';
 
 @Extend(TextInput)
 function inputStyle() {
@@ -65,7 +63,7 @@ struct LoginPage {
 
   login(result: boolean): void {
     if (this.account === '' || this.password === '') {
-      promptAction.showToast({
+      this.getUIContext().getPromptAction().showToast({
         message: $r('app.string.input_empty_tips')
       });
     } else {
@@ -78,7 +76,7 @@ struct LoginPage {
           if (result) {
             this.pathStack.pushPathByName('MainPage', null);
           } else {
-            promptAction.showToast({
+            this.getUIContext().getPromptAction().showToast({
               message: $r('app.string.Network_Lost')
             });
           }
diff --git a/PageAndData04/04_StartingPoint/entry/src/main/ets/view/Home.ets b/PageAndData04/04_StartingPoint/entry/src/main/ets/view/Home.ets
index f5fbc66cde44aa27a7264296a0cf63baad822fb3..221ac1a99f79b6880b72644893f6112304688083 100644
--- a/PageAndData04/04_StartingPoint/entry/src/main/ets/view/Home.ets
+++ b/PageAndData04/04_StartingPoint/entry/src/main/ets/view/Home.ets
@@ -28,7 +28,7 @@ export default struct Home {
   @State httpGridItems: Array<ListInfo> = [];
   @State pictureUri: string = '';
   private swiperController: SwiperController = new SwiperController();
-  private context = getContext(this) as common.UIAbilityContext;
+  private context = this.getUIContext().getHostContext() as common.UIAbilityContext;
   private applicationContext = this.context.getApplicationContext();
   private cacheDir = this.applicationContext.filesDir;
 
diff --git a/PageAndData04/04_StartingPoint/entry/src/main/ets/view/test.ets b/PageAndData04/04_StartingPoint/entry/src/main/ets/view/test.ets
index 74041dada999c834c52b23f6b5e7c301f0e51ae7..a120ae7fac6bb49face16b512937d75dff12d83b 100644
--- a/PageAndData04/04_StartingPoint/entry/src/main/ets/view/test.ets
+++ b/PageAndData04/04_StartingPoint/entry/src/main/ets/view/test.ets
@@ -25,7 +25,7 @@ export default struct Home {
   @State httpGridItems: Array<ListInfo> = [];
   @State pictureUri: string = '';
   private swiperController: SwiperController = new SwiperController();
-  private context = getContext(this) as common.UIAbilityContext;
+  private context = this.getUIContext().getHostContext() as common.UIAbilityContext;
   private applicationContext = this.context.getApplicationContext();
   private cacheDir = this.applicationContext.filesDir;