diff --git a/README.en.md b/README.en.md
index e6d1952e88d6d0022b3fe47f5d50df45fc95db8d..e3a2c17266a3a68659e5b79d0dbc4001cd9956f2 100644
--- a/README.en.md
+++ b/README.en.md
@@ -26,6 +26,6 @@ N/A
 ### Constraints
 
 1. The sample app is supported only on Huawei phones running the standard system.
-2. HarmonyOS: HarmonyOS 5.0.0 Release or later
-3. DevEco Studio: DevEco Studio 5.0.0 Release or later
-4. HarmonyOS SDK: HarmonyOS 5.0.0 Release SDK or later
+2. HarmonyOS: HarmonyOS 5.0.5 Release or later
+3. DevEco Studio: DevEco Studio 5.0.5 Release or later
+4. HarmonyOS SDK: HarmonyOS 5.0.5 Release SDK or later
diff --git a/README.md b/README.md
index 3f0b5048dffaae232037c2614c84898b0febe269..1a094e803ec1981646ae96b5d7471e95305be4ad 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,6 @@
 ### 约束与限制
 
 1. 本示例仅支持标准系统上运行，支持设备：华为手机。
-2. HarmonyOS系统：HarmonyOS 5.0.0 Release及以上。
-3. DevEco Studio版本：DevEco Studio 5.0.0 Release及以上。
-4. HarmonyOS SDK版本：HarmonyOS 5.0.0 Release SDK及以上。
+2. HarmonyOS系统：HarmonyOS 5.0.5 Release及以上。
+3. DevEco Studio版本：DevEco Studio 5.0.5 Release及以上。
+4. HarmonyOS SDK版本：HarmonyOS 5.0.5 Release SDK及以上。
diff --git a/build-profile.json5 b/build-profile.json5
index 68f481c965afe46cfa2e8835779cc1b5e27e0356..49dc4d0e6570b8110f64965c08bfa3c3724433b7 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -5,8 +5,8 @@
       {
         "name": "default",
         "signingConfig": "default",
-        "compatibleSdkVersion": "5.0.0(12)",
-        "targetSdkVersion": "5.0.0(12)",
+        "targetSdkVersion": "5.0.5(17)",
+        "compatibleSdkVersion": "5.0.5(17)",
         "runtimeOS": "HarmonyOS"
       }
     ]
diff --git a/entry/src/main/ets/entryability/EntryAbility.ts b/entry/src/main/ets/entryability/EntryAbility.ts
index 6d0226717e01a87efc562299818fb65243cdd3c9..3d7bba35ce047df9c0e4633e5d14744981a7363e 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ts
+++ b/entry/src/main/ets/entryability/EntryAbility.ts
@@ -44,6 +44,12 @@ export default class EntryAbility extends UIAbility {
       hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
       hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
     });
+
+    try {
+      AppStorage.setOrCreate('uiContext', windowStage.getMainWindowSync().getUIContext());
+    } catch (error) {
+      hilog.error(0x0000, 'testTag', `getMainWindowSync catch error, code: ${error.code}, message: ${error.message}`);
+    }
   }
 
   onWindowStageDestroy(): void {
diff --git a/entry/src/main/ets/model/PreferenceModel.ets b/entry/src/main/ets/model/PreferenceModel.ets
index c737f4338b8f573f59a6f2f4d0e2930b92eaef3c..23e1149e3d08157f7a97f05768cbd873de6ce2f6 100644
--- a/entry/src/main/ets/model/PreferenceModel.ets
+++ b/entry/src/main/ets/model/PreferenceModel.ets
@@ -15,11 +15,13 @@
 
 import { promptAction } from '@kit.ArkUI';
 import { preferences } from '@kit.ArkData';
+import { common } from '@kit.AbilityKit';
 import Logger from '../common/utils/Logger';
 import CommonConstants from '../common/constants/CommonConstants';
 import Fruit from '../viewmodel/Fruit';
 
-let context = getContext(this);
+const uiContext: UIContext | undefined = AppStorage.get('uiContext');
+let context = uiContext!.getHostContext() as common.UIAbilityContext;
 let preference: preferences.Preferences;
 let preferenceTemp: preferences.Preferences;
 
@@ -48,9 +50,10 @@ class PreferenceModel {
   async deletePreferences() {
     try {
       await preferences.deletePreferences(context, CommonConstants.PREFERENCES_NAME);
-    } catch(err) {
+    } catch (err) {
       Logger.error(CommonConstants.TAG, `Failed to delete preferences, Cause: ${err}`);
-    };
+    }
+    ;
     preference = preferenceTemp;
     this.showToastMessage($r('app.string.delete_success_msg'));
   }
@@ -61,17 +64,21 @@ class PreferenceModel {
    * @param fruit Fruit data.
    */
   async putPreference(fruit: Fruit) {
-    if (!preference) {
-      await this.getPreferencesFromStorage();
-    }
-    // The fruit name and fruit quantity data entered by the user are saved to the cached Preference instance.
     try {
-      await preference.put(CommonConstants.KEY_NAME, JSON.stringify(fruit));
-    } catch (err) {
-      Logger.error(CommonConstants.TAG, `Failed to put value, Cause: ${err}`);
+      if (!preference) {
+        await this.getPreferencesFromStorage();
+      }
+      // The fruit name and fruit quantity data entered by the user are saved to the cached Preference instance.
+      try {
+        await preference.put(CommonConstants.KEY_NAME, JSON.stringify(fruit));
+      } catch (err) {
+        Logger.error(CommonConstants.TAG, `Failed to put value, Cause: ${err}`);
+      }
+      // Store the Preference instance in the preference persistence file
+      await preference.flush();
+    } catch (error) {
+      Logger.error(`getMainWindowSync catch error, code: ${error.code}, message: ${error.message}`);
     }
-    // Store the Preference instance in the preference persistence file
-    await preference.flush();
   }
 
   /**
@@ -140,11 +147,15 @@ class PreferenceModel {
    * @param message Prompt message.
    */
   showToastMessage(message: Resource) {
-    promptAction.showToast({
-      message: message,
-      duration: CommonConstants.DURATION
-    });
-  };
+    try {
+      uiContext!.getPromptAction().showToast({
+        message: message,
+        duration: CommonConstants.DURATION
+      });
+    } catch (error) {
+      Logger.error(`showToast catch error, code: ${error.code}, message: ${error.message}`);
+    }
+  }
 }
 
 export default new PreferenceModel();
\ No newline at end of file