diff --git a/entry/src/main/ets/pages/CustomCalendar.ets b/entry/src/main/ets/pages/CustomCalendar.ets
index e01aae762ccd9b531bc66bcab14d76f5bd2393cb..c5a6302e49497fb37358e37b06b744a34c253e98 100644
--- a/entry/src/main/ets/pages/CustomCalendar.ets
+++ b/entry/src/main/ets/pages/CustomCalendar.ets
@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { promptAction } from '@kit.ArkUI';
 import { CustomCalendarPickerDialog } from '../view/CustomCalendarPickerDialog';
 import { DateModel } from '../viewmodel/DateModel';
 import { getRealTimeDate } from '../viewmodel/GetDate';
diff --git a/entry/src/main/ets/pages/Details.ets b/entry/src/main/ets/pages/Details.ets
index 2f6b86519a3f8f4cb9ffaa83dad2c4ba546b2875..90f4fb663c1ab2b2856d916cdf379965f18daaab 100644
--- a/entry/src/main/ets/pages/Details.ets
+++ b/entry/src/main/ets/pages/Details.ets
@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { router } from '@kit.ArkUI';
 
 @Entry
 @Component
diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index 90001bb2c19526ecfb3b046b923a32e2f5f2f6cf..e3255d516354fb4710a3f1ab805003ec2e90e500 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { router } from '@kit.ArkUI';
 import { CommonConstants } from '../common/constants/CommonConstants';
 
 @Entry
diff --git a/entry/src/main/ets/pages/Privacy.ets b/entry/src/main/ets/pages/Privacy.ets
index dd7bbceca1d52765ded81837355f136b82fa43c7..3fd1c27232263a4419dc1b5ab4540a9f700c03e5 100644
--- a/entry/src/main/ets/pages/Privacy.ets
+++ b/entry/src/main/ets/pages/Privacy.ets
@@ -12,7 +12,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { router } from '@kit.ArkUI';
 import { CommonConstants } from '../common/constants/CommonConstants';
 
 @Entry
diff --git a/entry/src/main/ets/viewmodel/DataManager.ets b/entry/src/main/ets/viewmodel/DataManager.ets
index 65091d6019047d6fc9f6a67438396762007e5fe1..5bbb112b0dcaf60a0c116d7882bfde02c2597e20 100644
--- a/entry/src/main/ets/viewmodel/DataManager.ets
+++ b/entry/src/main/ets/viewmodel/DataManager.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import dataPreferences from '@ohos.data.preferences';
+import { preferences } from '@kit.ArkData';
 import { DateModel } from './DateModel';
 import { getRealTimeDate } from './GetDate';
 
@@ -20,11 +20,11 @@ export class DataManager {
   static getDate(context: Context, callback: (dateModel: DateModel) => void) {
     let dateModel: DateModel = getRealTimeDate();
     try {
-      let promise = dataPreferences.getPreferences(context, 'date');
-      promise.then((object: dataPreferences.Preferences) => {
+      let promise = preferences.getPreferences(context, 'date');
+      promise.then((object: preferences.Preferences) => {
         try {
           let getPromise = object.get('selectedDate', '');
-          getPromise.then((data: dataPreferences.ValueType) => {
+          getPromise.then((data: preferences.ValueType) => {
             let dateSting = data as string;
             if (dateSting.length > 0) {
               dateModel = JSON.parse(dateSting) as DateModel;
@@ -48,8 +48,8 @@ export class DataManager {
 
   static setDate(context: Context, dateModel: DateModel, callback: () => void) {
     try {
-      let promise = dataPreferences.getPreferences(context, 'date');
-      promise.then((object: dataPreferences.Preferences) => {
+      let promise = preferences.getPreferences(context, 'date');
+      promise.then((object: preferences.Preferences) => {
         try {
           let setPromise = object.put('selectedDate', JSON.stringify(dateModel));
           setPromise.then(() => {
@@ -76,8 +76,8 @@ export class DataManager {
 
   static deleteDate(context: Context, callback: () => void) {
     try {
-      let promise = dataPreferences.getPreferences(context, 'date');
-      promise.then((object: dataPreferences.Preferences) => {
+      let promise = preferences.getPreferences(context, 'date');
+      promise.then((object: preferences.Preferences) => {
         try {
           let deletePromise = object.delete('selectedDate');
           deletePromise.then(() => {