diff --git a/commons/base/src/main/ets/utils/AvPlayerUtil.ets b/commons/base/src/main/ets/utils/AvPlayerUtil.ets
index 47667c914623ba9f24792d4d4181903f8cb138b6..9a6291c44e106297c40e7f40ed7841c9ffdc01d4 100644
--- a/commons/base/src/main/ets/utils/AvPlayerUtil.ets
+++ b/commons/base/src/main/ets/utils/AvPlayerUtil.ets
@@ -105,16 +105,20 @@ export class AvPlayerUtil {
   }
 
   async createAvPlayer(surfaceId: string): Promise<void> {
-    if (this.avPlayer === undefined || this.avPlayer.state === CommonConstants.AV_PLAYER_RELEASE_STATE) {
-      this.avPlayer = await media.createAVPlayer();
-      this.surfaceId = surfaceId;
-      Logger.info('Created AvPlayer successfully.');
-      // Entering idle state.
-      this.url = await this.uiContext!.getHostContext()!.resourceManager.getRawFd(CommonConstants.LIVE_VIDEO_NAME);
-      this.avPlayer.fdSrc = this.url;
-      this.setAVPlayerCallback();
-    } else {
-      Logger.info(`AvPlayer has been created`);
+    try {
+      if (this.avPlayer === undefined || this.avPlayer.state === CommonConstants.AV_PLAYER_RELEASE_STATE) {
+        this.avPlayer = await media.createAVPlayer();
+        this.surfaceId = surfaceId;
+        Logger.info('Created AvPlayer successfully.');
+        // Entering idle state.
+        this.url = await this.uiContext!.getHostContext()!.resourceManager.getRawFd(CommonConstants.LIVE_VIDEO_NAME);
+        this.avPlayer.fdSrc = this.url;
+        this.setAVPlayerCallback();
+      } else {
+        Logger.info(`AvPlayer has been created`);
+      }
+    } catch (error) {
+      Logger.error(`createAvPlayer catch error, code: ${error.code}, message: ${error.message}`);
     }
   }
 
@@ -140,44 +144,56 @@ export class AvPlayerUtil {
       try {
         this.avPlayer.off('error');
         this.avPlayer.off('stateChange');
+        this.avPlayer.release();
       } catch (exception) {
         Logger.error('Failed to unregister the error and state callback. Code: ' + JSON.stringify(exception));
       }
-      this.avPlayer.release();
     } else {
       Logger.info(`AvPlayer release failed`);
     }
   }
 
   playerStateControl(): void {
-    if (this.avPlayer === undefined) {
-      Logger.error(`AvPlayer is undefined`);
-      return;
-    }
-    if (this.avPlayer.state === CommonConstants.AV_PLAYER_STOPPED_STATE) {
-      this.avPlayer.prepare();
-      return;
-    }
-    if (!this.playState) {
-      this.avPlayer.play();
-    } else {
-      this.avPlayer.pause();
+    try {
+      if (this.avPlayer === undefined) {
+        Logger.error(`AvPlayer is undefined`);
+        return;
+      }
+      if (this.avPlayer.state === CommonConstants.AV_PLAYER_STOPPED_STATE) {
+        this.avPlayer.prepare();
+        return;
+      }
+      if (!this.playState) {
+        this.avPlayer.play();
+      } else {
+        this.avPlayer.pause();
+      }
+    } catch (exception) {
+      Logger.error('Failed to playerStateControl. Code: ' + JSON.stringify(exception));
     }
   }
 
   play(): void {
-    if (this.avPlayer !== undefined && !this.playState) {
-      this.avPlayer.play();
-    } else {
-      Logger.info(`AvPlayer play failed`);
+    try {
+      if (this.avPlayer !== undefined && !this.playState) {
+        this.avPlayer.play();
+      } else {
+        Logger.info(`AvPlayer play failed`);
+      }
+    } catch (exception) {
+      Logger.error('Failed to play. Code: ' + JSON.stringify(exception));
     }
   }
 
   pause(): void {
-    if (this.avPlayer !== undefined && this.playState) {
-      this.avPlayer.pause();
-    } else {
-      Logger.info(`AvPlayer pause failed`);
+    try {
+      if (this.avPlayer !== undefined && this.playState) {
+        this.avPlayer.pause();
+      } else {
+        Logger.info(`AvPlayer pause failed`);
+      }
+    } catch (exception) {
+      Logger.error('Failed to pause. Code: ' + JSON.stringify(exception));
     }
   }
 }
\ No newline at end of file
diff --git a/commons/base/src/main/ets/utils/DeviceScreen.ets b/commons/base/src/main/ets/utils/DeviceScreen.ets
index b65bb53441b605f8b03c657522edd957ba8c068f..cc5ef325164f6fd1f32b45c28f8bb44243b5f621 100644
--- a/commons/base/src/main/ets/utils/DeviceScreen.ets
+++ b/commons/base/src/main/ets/utils/DeviceScreen.ets
@@ -14,6 +14,7 @@
  */
 
 import { display } from '@kit.ArkUI';
+import { hilog } from '@kit.PerformanceAnalysisKit';
 import { CommonConstants } from '../constants/CommonConstants';
 
 export class DeviceScreen {
@@ -23,10 +24,15 @@ export class DeviceScreen {
    * @returns screen height.
    */
   public static getDeviceHeight(): number {
-    let displayObject = display.getDefaultDisplaySync();
-    let screenPixelHeight = displayObject.height;
-    let screenDensityDPI = displayObject.densityDPI;
-    return screenPixelHeight * (CommonConstants.SCREEN_DPI_CONSTANT / screenDensityDPI);
+    try {
+      let displayObject = display.getDefaultDisplaySync();
+      let screenPixelHeight = displayObject.height;
+      let screenDensityDPI = displayObject.densityDPI;
+      return screenPixelHeight * (CommonConstants.SCREEN_DPI_CONSTANT / screenDensityDPI);
+    } catch (error) {
+      hilog.error(0x0000, 'Device', `getDeviceHeight catch error, code: ${error.code}, message: ${error.message}`);
+      return 0;
+    }
   }
 
   /**
@@ -35,9 +41,14 @@ export class DeviceScreen {
    * @returns screen width.
    */
   public static getDeviceWidth(): number {
-    let displayObject = display.getDefaultDisplaySync();
-    let screenPixelWidth = displayObject.width;
-    let screenDensityDPI = displayObject.densityDPI;
-    return screenPixelWidth * (CommonConstants.SCREEN_DPI_CONSTANT / screenDensityDPI);
+    try {
+      let displayObject = display.getDefaultDisplaySync();
+      let screenPixelWidth = displayObject.width;
+      let screenDensityDPI = displayObject.densityDPI;
+      return screenPixelWidth * (CommonConstants.SCREEN_DPI_CONSTANT / screenDensityDPI);
+    } catch (error) {
+      hilog.error(0x0000, 'Device', `getDeviceWidth catch error, code: ${error.code}, message: ${error.message}`);
+      return 0;
+    }
   }
 }
\ No newline at end of file
diff --git a/commons/base/src/main/ets/utils/PipWindowUtil.ets b/commons/base/src/main/ets/utils/PipWindowUtil.ets
index a2208d9425d65a5d7fa1d0024f4b9a7a8c6cd470..6f3bb39b028898fb8585c1aa7726b8625a36e3d2 100644
--- a/commons/base/src/main/ets/utils/PipWindowUtil.ets
+++ b/commons/base/src/main/ets/utils/PipWindowUtil.ets
@@ -62,8 +62,7 @@ export class PipWindowUtil {
         templateType: PiPWindow.PiPTemplateType.VIDEO_LIVE
       };
       // Create a pip controller.
-      let promise: Promise<PiPWindow.PiPController> = PiPWindow.create(config);
-      await promise.then((controller: PiPWindow.PiPController) => {
+      PiPWindow.create(config).then((controller: PiPWindow.PiPController)=>{
         this.pipController = controller;
         // Initializing the pip controller.
         this.initPipController();
@@ -149,8 +148,7 @@ export class PipWindowUtil {
   async stopPip(): Promise<void> {
     if (canIUse('SystemCapability.Window.SessionManager')) {
       if (this.pipController) {
-        let promise: Promise<void> = this.pipController.stopPiP();
-        promise.then(() => {
+        this.pipController.stopPiP().then(()=>{
           this.isShowingPip = false;
           Logger.info(`Succeeded in stopping pip.`);
           try {
diff --git a/products/phone/src/main/ets/entryability/EntryAbility.ets b/products/phone/src/main/ets/entryability/EntryAbility.ets
index 44f35ecd27d7a28f0f9bc6b6ce6e1c209c972aad..b3444bd5e0494c36b94e3371d803a6ad9568fc57 100644
--- a/products/phone/src/main/ets/entryability/EntryAbility.ets
+++ b/products/phone/src/main/ets/entryability/EntryAbility.ets
@@ -52,7 +52,9 @@ export default class EntryAbility extends UIAbility {
       if (canIUse('SystemCapability.Window.SessionManager')) {
         this.windowObj.on('windowStatusChange', this.onWindowStatusChange);
       }
-    })
+    }).catch((err: BusinessError<Error>) => {
+      hilog.info(0x0000, 'testTag', `Failed to getMainWindow. Cause: ${err.code}, message: ${err.message}`);
+    });
 
     windowStage.loadContent('pages/Index', async (err, data) => {
       if (err.code) {
diff --git a/products/phone/src/main/ets/secondability/SecondAbility.ets b/products/phone/src/main/ets/secondability/SecondAbility.ets
index bc18cd1652535591f8f32866df2e89a8a2c3db1f..f37473c58473f2e54723f8f6c31ae9eb8f323ea1 100644
--- a/products/phone/src/main/ets/secondability/SecondAbility.ets
+++ b/products/phone/src/main/ets/secondability/SecondAbility.ets
@@ -44,7 +44,11 @@ export default class SecondAbility extends UIAbility {
   onDestroy(): void {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
     if (canIUse('SystemCapability.Window.SessionManager')) {
-      display.off('foldStatusChange');
+      try {
+        display.off('foldStatusChange');
+      } catch (exception) {
+        Logger.error('Failed to off display. Code: ' + JSON.stringify(exception));
+      }
     }
     if (this.windowUtil === undefined) {
       return;
@@ -69,9 +73,15 @@ export default class SecondAbility extends UIAbility {
       this.windowUtil?.updateBreakpoint(this.windowObj.getWindowProperties().windowRect.width);
       AppStorage.setOrCreate('windowWidth', this.windowObj.getWindowProperties().windowRect.width);
       this.windowObj.on('windowSizeChange', this.onWindowSizeChange);
-    })
+    }).catch((err: BusinessError<Error>) => {
+      hilog.info(0x0000, 'testTag', `Failed to getMainWindow. Cause: ${err.code}, message: ${err.message}`);
+    });
     if (canIUse('SystemCapability.Window.SessionManager')) {
-      display.on(`foldStatusChange`, this.onFoldStatusChange);
+      try {
+        display.on(`foldStatusChange`, this.onFoldStatusChange);
+      } catch (exception) {
+        Logger.error('Failed to display on. Code: ' + JSON.stringify(exception));
+      }
     }
 
     windowStage.loadContent('pages/Index', async (err, data) => {