diff --git a/common/utils/src/main/ets/default/baseUtil/ConfigData.ts b/common/utils/src/main/ets/default/baseUtil/ConfigData.ts
index 1e53ed84da99dce33ecbda1395bbb25a5e54b898..c357da495440e8481e8b5ff4f7db6be7206d639f 100644
--- a/common/utils/src/main/ets/default/baseUtil/ConfigData.ts
+++ b/common/utils/src/main/ets/default/baseUtil/ConfigData.ts
@@ -19,6 +19,7 @@ export class ConfigData {
   FILE_URI = '/data/accounts/account_0/applications/com.ohos.settings'
   + '/com.ohos.settings/assets/phone/resources/rawfile/';
   PREFERENCES_PATH = '/data/accounts/account_0/appdata/com.ohos.settings/sharedPreference/SettingPreferences';
+  PREFERENCES_NAME = 'SettingPreferences';
   BRIGHTNESS_SAVE_VALUE_KEY = 'BrightnessSaveValue';
 
   SENT_EVENT_BROADCAST_BRIGHTNESS_VALUE = 'BRIGHTNESS_VALUE';
diff --git a/common/utils/src/main/ets/default/baseUtil/PreferenceUtil.ts b/common/utils/src/main/ets/default/baseUtil/PreferenceUtil.ts
index c8ceec7338b65cf544498fbf979c938988a22b0a..c76621675442da6728985f501a92f6a34f53ef5f 100644
--- a/common/utils/src/main/ets/default/baseUtil/PreferenceUtil.ts
+++ b/common/utils/src/main/ets/default/baseUtil/PreferenceUtil.ts
@@ -13,38 +13,46 @@
  * limitations under the License.
  */
 
-import ConfigData from './ConfigData';
+import ConfigData from './ConfigData'
 import LogUtil from './LogUtil'
-//import Storage from '@ohos.data.storage';
+import Storage from '@ohos.data.storage'
 
-//let preference = Storage.getStorageSync(ConfigData.PREFERENCES_PATH);
-this.storage = await dataStorage.getPreferences(globalThis.settingsAbilityContext, ConfigData.PREFERENCES_PATH)
 
 export class PreferenceUtil {
-  /**
-   * Set up storage data
-   *
-   * @param key - key
-   * @param value - value
-   */
-  setStorageValue(key,value): void {
-    LogUtil.info(`Set preference, key: ${key}, value: ${value}")`);
-    preference.putSync(key, value);
-    preference.flushSync();
-  }
+    private preference: Storage.Storage
 
-  /**
-   * Get stored data
-   *
-   * @param key - key
-   * @param defaultValue - defaultValue
-   */
-  getStorageValue(key: string, defaultValue) {
-    let value = preference.getSync(key, defaultValue);
-    LogUtil.info(`Get storage value, key: ${key}, value: ${value}`);
-    return value;
-  }
+    constructor() {
+        if (!this.preference) {
+            Storage.getStorage(globalThis.settingsAbilityContext.filesDir + '/' + ConfigData.PREFERENCES_NAME).then(data => {
+                this.preference = data
+            })
+        }
+    }
+    /**
+     * Set up storage data
+     *
+     * @param key - key
+     * @param value - value
+     */
+    setStorageValue(key, value): void {
+        LogUtil.info(`Set preference, key: ${key}, value: ${value}")`);
+        this.preference.putSync(key, value);
+        this.preference.flushSync();
+    }
+
+    /**
+     * Get stored data
+     *
+     * @param key - key
+     * @param defaultValue - defaultValue
+     */
+    getStorageValue(key: string, defaultValue) {
+        let value = this.preference.getSync(key, defaultValue);
+        LogUtil.info(`Get storage value, key: ${key}, value: ${value}`);
+        return value;
+    }
 }
 
 let preferenceUtil = new PreferenceUtil();
+
 export default preferenceUtil as PreferenceUtil
\ No newline at end of file
diff --git a/product/phone/src/main/ets/MainAbility/MainAbility.ts b/product/phone/src/main/ets/MainAbility/MainAbility.ts
index db4f5c4ea7a8efefffc3abce9d56de54272dd0d9..20a44a4aca1aa0eb56471ba5061deb37c8040942 100644
--- a/product/phone/src/main/ets/MainAbility/MainAbility.ts
+++ b/product/phone/src/main/ets/MainAbility/MainAbility.ts
@@ -34,7 +34,6 @@ export default class MainAbility extends Ability {
         LogUtil.log("[Main] MainAbility onWindowStageCreate")
 
         windowStage.setUIContent(this.context, "pages/settingList", null)
-        globalThis.settingsAbilityContext =this.context
     }
 
     onWindowStageDestroy() {