diff --git a/README.en.md b/README.en.md
index e39ffaab51097515a49f19bef1390ea5c109bc1b..3e9dc0998b27a9b7efa5fb800805bf721f47aa39 100644
--- a/README.en.md
+++ b/README.en.md
@@ -26,7 +26,7 @@ N/A
 
 ## Constraints
 
-1. The sample is only supported on Huawei phones with standard systems.
-2. HarmonyOS: HarmonyOS NEXT Developer Beta1 or later.
-3. DevEco Studio: DevEco Studio NEXT Developer Beta1 or later.
-4. HarmonyOS SDK: HarmonyOS NEXT Developer Beta1 SDK or later.
+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
diff --git a/README.md b/README.md
index 3c6b842c890d76ee97cb2494c491de9623f88b15..fa51059e86f4e6c28d056c815173e9c5842e5e66 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
-# 待办列表
+# 实现待办事项列表
 
 ## 简介
 
-本篇Codelab基于ArkTS声明式语法和ArkTS基础组件，实现简易待办事项的案例。效果如图所示：
+本篇Codelab将介绍如何使用ArkTS声明式语法和基础组件，实现简易待办列表。效果为点击某一事项，替换标签图片、虚化文字。
 
 ![](screenshots/device/ToDoList.gif)
 
@@ -27,6 +27,6 @@
 ## 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 NEXT Developer Beta1及以上。
-3. DevEco Studio版本：DevEco Studio NEXT Developer Beta1及以上。
-4. HarmonyOS SDK版本：HarmonyOS NEXT Developer Beta1 SDK及以上。
+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。
diff --git a/entry/src/main/ets/common/constant/CommonConstant.ets b/entry/src/main/ets/common/constant/CommonConstant.ets
index 881a81b67dfb8365d755ed874f6e44f3ebe733dc..f1aca494bbfccc6fb00b07c5b3b2448836698739 100644
--- a/entry/src/main/ets/common/constant/CommonConstant.ets
+++ b/entry/src/main/ets/common/constant/CommonConstant.ets
@@ -20,47 +20,47 @@ export default class CommonConstants {
   /**
    * Full width or height.
    */
-  static readonly FULL_LENGTH: string = '100%';
+  public static readonly FULL_LENGTH: string = '100%';
 
   /**
    * Title height.
    */
-  static readonly TITLE_WIDTH: string = '80%';
+  public static readonly TITLE_WIDTH: string = '80%';
 
   /**
    * List default width.
    */
-  static readonly LIST_DEFAULT_WIDTH: string = '93.3%';
+  public static readonly LIST_DEFAULT_WIDTH: string = '93.3%';
 
   /**
    * Opacity of default.
    */
-  static readonly OPACITY_DEFAULT: number = 1;
+  public static readonly OPACITY_DEFAULT: number = 1;
 
   /**
    * Opacity of default.
    */
-  static readonly OPACITY_COMPLETED: number = 0.4;
+  public static readonly OPACITY_COMPLETED: number = 0.4;
 
   /**
    * BorderRadius of list item.
    */
-  static readonly BORDER_RADIUS: number = 24;
+  public static readonly BORDER_RADIUS: number = 24;
 
   /**
    * BorderRadius of list item.
    */
-  static readonly FONT_WEIGHT: number = 500;
+  public static readonly FONT_WEIGHT: number = 500;
 
   /**
    * Space of column.
    */
-  static readonly COLUMN_SPACE: number = 16;
+  public static readonly COLUMN_SPACE: number = 16;
 
   /**
    * agents data.
    */
-  static readonly TODO_DATA: Array<Resource> = [
+  public static readonly TODO_DATA: Array<Resource> = [
     $r('app.string.todo_list_one'),
     $r('app.string.todo_list_two'),
     $r('app.string.todo_list_three'),
diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 335d74de274e3db91252558340a885054f7da9e3..7c23c4a714b7286d7e3938e50427f7bce4715e8a 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -13,10 +13,10 @@
  * limitations under the License.
  */
 
-import { UIAbility } from '@kit.AbilityKit';
+import { BusinessError } from '@kit.BasicServicesKit';
 import { hilog } from '@kit.PerformanceAnalysisKit';
+import { UIAbility } from '@kit.AbilityKit';
 import { window } from '@kit.ArkUI';
-import { BusinessError } from '@kit.BasicServicesKit';
 
 export default class EntryAbility extends UIAbility {
   onWindowStageCreate(windowStage: window.WindowStage): void {
@@ -31,4 +31,4 @@ export default class EntryAbility extends UIAbility {
       hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
     });
   }
-}
+}
\ No newline at end of file
diff --git a/entry/src/main/ets/view/ToDoItem.ets b/entry/src/main/ets/view/ToDoItem.ets
index e0f36c1c2d31e1e68aff37e2512ce7c77ef79ebd..48578ecd3930858785fd0730cdce4c67a79cb588 100644
--- a/entry/src/main/ets/view/ToDoItem.ets
+++ b/entry/src/main/ets/view/ToDoItem.ets
@@ -17,7 +17,7 @@ import CommonConstants from '../common/constant/CommonConstant';
 
 @Component
 export default struct ToDoItem {
-  private content?: string;
+  public content?: string;
   @State isComplete: boolean = false;
 
   @Builder labelIcon(icon: Resource) {
diff --git a/entry/src/main/ets/viewmodel/DataModel.ets b/entry/src/main/ets/viewmodel/DataModel.ets
index 6d205dc51f7168a4bb03eaab424b8a7d30e74236..147fae6b80ca7fdba024d8ce969db7ae9f0828c0 100644
--- a/entry/src/main/ets/viewmodel/DataModel.ets
+++ b/entry/src/main/ets/viewmodel/DataModel.ets
@@ -22,7 +22,7 @@ export class DataModel {
   /**
    * Saved Data.
    */
-  private tasks: Array<Resource> = CommonConstants.TODO_DATA;
+  public tasks: Array<Resource> = CommonConstants.TODO_DATA;
 
   /**
    * Get the data.