diff --git a/entry/src/main/ets/pages/LauncherPage.ets b/entry/src/main/ets/pages/LauncherPage.ets
index 8dde1aae6ef8de0e8d5b9389e4cbfe205af48455..8fb29c2c8058ec54aaeece330bba70a990848d4e 100644
--- a/entry/src/main/ets/pages/LauncherPage.ets
+++ b/entry/src/main/ets/pages/LauncherPage.ets
@@ -20,6 +20,8 @@ import Logger from '../common/utils/Logger';
 import CommonConstants from '../common/constants/CommonConstants';
 import CustomDialogComponent from '../view/CustomDialogComponent';
 import { GlobalContext } from '../common/utils/GlobalContext';
+import { BusinessError } from '@kit.BasicServicesKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
 
 /**
  * The LauncherPage is the entry point of the application and shows how to develop the LauncherPage.
@@ -50,7 +52,9 @@ struct LauncherPage {
 
   onCancel() {
     // Exit the application.
-    this.context?.terminateSelf();
+    this.context?.terminateSelf().catch((err: BusinessError) => {
+      hilog.error(0x0000, 'LauncherPage', `terminateSelf failed. code=${err.code}, message=${err.message}`);
+    });
   }
 
   onConfirm() {
@@ -83,8 +87,11 @@ struct LauncherPage {
   }
 
   saveIsPrivacy() {
-    let preferences: Promise<preferences.Preferences> = this.getDataPreferences(this);
-    preferences.then((result: preferences.Preferences) => {
+    let preferences: Promise<preferences.Preferences | void> = this.getDataPreferences(this);
+    preferences.then((result: preferences.Preferences | void) => {
+      if (!result) {
+        return;
+      }
       let privacyPut = result.put(CommonConstants.PREFERENCES_KEY_PRIVACY, false);
       result.flush();
       privacyPut.then(() => {
@@ -100,7 +107,10 @@ struct LauncherPage {
   onPageShow() {
     this.context = this.getUIContext().getHostContext() as common.UIAbilityContext;
     // Get the operation class for saving data.
-    this.getDataPreferences(this).then((preferences: preferences.Preferences) => {
+    this.getDataPreferences(this).then((preferences: preferences.Preferences | void) => {
+      if (!preferences) {
+        return;
+      }
       preferences.get(CommonConstants.PREFERENCES_KEY_PRIVACY, true).then((value: preferences.ValueType) => {
         Logger.info(CommonConstants.LAUNCHER_PAGE_TAG, 'onPageShow value: ' + value);
         if (value) {
@@ -113,14 +123,17 @@ struct LauncherPage {
           this.jumpToAdvertisingPage();
         }
       });
-    });
+    })
   }
 
   /**
    * Get data preferences action.
    */
   getDataPreferences(common: Object) {
-    return preferences.getPreferences(this.getUIContext().getHostContext()!, CommonConstants.PREFERENCES_FILE_NAME);
+    return preferences.getPreferences(this.getUIContext().getHostContext()!, CommonConstants.PREFERENCES_FILE_NAME)
+      .catch((err: BusinessError) => {
+        hilog.error(0x0000, 'LauncherPage', `getPreferences failed. code=${err.code}, message=${err.message}`);
+      });
   }
 
   build() {