diff --git a/zh-cn/application-dev/database/database-datashare-guidelines.md b/zh-cn/application-dev/database/database-datashare-guidelines.md
index 80618733f876643953f3a6d41e4c4481e077e4fa..0c8242f7e763a85c336aefcc303a73ed538883b0 100644
--- a/zh-cn/application-dev/database/database-datashare-guidelines.md
+++ b/zh-cn/application-dev/database/database-datashare-guidelines.md
@@ -133,7 +133,7 @@ DataShare即数据共享模块，提供了向其他应用共享以及管理其
 1. 导入基础依赖包。
 
    ```ts
-   import Ability from '@ohos.application.Ability';
+   import UIAbility from '@ohos.app.ability.UIAbility';
    import dataShare from '@ohos.data.dataShare';
    import dataSharePredicates from '@ohos.data.dataSharePredicates';
    ```
@@ -151,7 +151,7 @@ DataShare即数据共享模块，提供了向其他应用共享以及管理其
    let dsHelper;
    let abilityContext;
    
-   export default class MainAbility extends Ability {
+   export default class EntryAbility extends UIAbility {
    	onWindowStageCreate(windowStage) {
    		abilityContext = this.context;
    		dataShare.createDataShareHelper(abilityContext, dseUri, (err, data)=>{
diff --git a/zh-cn/application-dev/database/database-mdds-guidelines.md b/zh-cn/application-dev/database/database-mdds-guidelines.md
index 5739c6454cb37a084e75efe27f0dfcb3f88728b6..25132df1c0d39a98b3656ac8ab4af59926fa4ae8 100644
--- a/zh-cn/application-dev/database/database-mdds-guidelines.md
+++ b/zh-cn/application-dev/database/database-mdds-guidelines.md
@@ -68,11 +68,11 @@
     grantPermission();
    
     // Stage模型
-    import AbilityStage from '@ohos.application.Ability';
+    import UIAbility from '@ohos.app.ability.UIAbility';
   
     let context = null;
   
-    class MainAbility extends AbilityStage {
+    class EntryAbility extends UIAbility {
       onWindowStageCreate(windowStage) {
         let context = this.context;
       }
@@ -103,9 +103,9 @@
    let context = featureAbility.getContext();
    
    // Stage模型获取context
-   import AbilityStage from '@ohos.application.Ability';
+   import UIAbility from '@ohos.app.ability.UIAbility';
    let context = null;
-   class MainAbility extends AbilityStage{
+   class EntryAbility extends UIAbility {
       onWindowStageCreate(windowStage){
         context = this.context;
       }
diff --git a/zh-cn/application-dev/database/database-preference-guidelines.md b/zh-cn/application-dev/database/database-preference-guidelines.md
index 32584c975dd0ff29d479478bd08672abe4742751..9df95313b16ae4247f4c149fc170f66ee90713d5 100644
--- a/zh-cn/application-dev/database/database-preference-guidelines.md
+++ b/zh-cn/application-dev/database/database-preference-guidelines.md
@@ -113,10 +113,10 @@
 
    ```ts
    // 获取context
-   import Ability from '@ohos.application.Ability'
+   import UIAbility from '@ohos.app.ability.UIAbility'
    let context = null;
    let preferences = null;
-   export default class MainAbility extends Ability {
+   export default class EntryAbility extends UIAbility {
        onWindowStageCreate(windowStage){
            context = this.context;
        }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md b/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md
index 108c56317112cfdb270724569c6926c1e10f8004..c8e4eb4098ce682dd9d1736cad2bc637d2092fd0 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md
@@ -64,7 +64,7 @@ createDataShareHelper(context: Context, uri: string, callback: AsyncCallback<
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let dataShareHelper;
@@ -114,7 +114,7 @@ createDataShareHelper(context: Context, uri: string): Promise<DataShareHelper
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let dataShareHelper;
@@ -153,7 +153,7 @@ on(type: 'dataChange', uri: string, callback: AsyncCallback<void>): void
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 function onCallback() {
     console.info("**** Observer on callback ****");
 }
@@ -180,7 +180,7 @@ off(type: 'dataChange', uri: string, callback?: AsyncCallback<void>): void
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 function offCallback() {
     console.info("**** Observer off callback ****");
 }
@@ -207,7 +207,7 @@ insert(uri: string, value: ValuesBucket, callback: AsyncCallback<number>):
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 const valueBucket = {
     "name": "rose",
@@ -251,7 +251,7 @@ insert(uri: string, value: ValuesBucket): Promise<number>
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 const valueBucket = {
     "name": "rose1",
@@ -288,7 +288,7 @@ delete(uri: string, predicates: dataSharePredicates.DataSharePredicates, callbac
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
@@ -331,7 +331,7 @@ delete(uri: string, predicates: dataSharePredicates.DataSharePredicates): Promis
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
@@ -368,7 +368,7 @@ query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns:
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
@@ -413,7 +413,7 @@ query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns:
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
@@ -451,7 +451,7 @@ update(uri: string, predicates: dataSharePredicates.DataSharePredicates, value:
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
@@ -501,7 +501,7 @@ update(uri: string, predicates: dataSharePredicates.DataSharePredicates, value:
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
@@ -543,7 +543,7 @@ batchInsert(uri: string, values: Array<ValuesBucket>, callback: AsyncCallb
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let vbs = new Array({"name": "roe11", "age": 21, "salary": 20.5,},
                      {"name": "roe12", "age": 21, "salary": 20.5,},
@@ -585,7 +585,7 @@ batchInsert(uri: string, values: Array<ValuesBucket>): Promise<number&g
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let vbs = new Array({"name": "roe11", "age": 21, "salary": 20.5,},
                      {"name": "roe12", "age": 21, "salary": 20.5,},
@@ -619,7 +619,7 @@ normalizeUri(uri: string, callback: AsyncCallback<string>): void
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 dataShareHelper.normalizeUri(uri, (err, data) => {
     if (err != undefined) {
@@ -653,7 +653,7 @@ normalizeUri(uri: string): Promise<string>
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 dataShareHelper.normalizeUri(uri).then((data) => {
     console.log("normalizeUri = " + data);
@@ -680,7 +680,7 @@ denormalizeUri(uri: string, callback: AsyncCallback<string>): void
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 dataShareHelper.denormalizeUri(uri, (err, data) => {
     if (err != undefined) {
@@ -714,7 +714,7 @@ denormalizeUri(uri: string): Promise<string>
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 dataShareHelper.denormalizeUri(uri).then((data) => {
     console.log("denormalizeUri = " + data);
@@ -741,7 +741,7 @@ notifyChange(uri: string, callback: AsyncCallback<void>): void
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 dataShareHelper.notifyChange(uri, () => {
     console.log("***** notifyChange *****");
@@ -771,7 +771,7 @@ notifyChange(uri: string): Promise<void>
 **示例：**
 
 ```ts
-import Ability from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 dataShareHelper.notifyChange(uri);
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md b/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md
index a62b3e2d0f7970d72b8f660585911a4b0bb226e0..8c1ce80471bd321380e9bc59c295edc71b490369 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md
@@ -53,10 +53,10 @@ Stage模型示例：
 ```ts
 // 导入模块
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -156,10 +156,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -218,10 +218,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -294,10 +294,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -357,10 +357,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -413,10 +413,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -463,10 +463,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -517,10 +517,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject'; 
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -579,10 +579,10 @@ g_object.save("local", (result) => {
 Stage模型示例
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -627,6 +627,8 @@ save(deviceId: string): Promise<SaveSuccessResponse>
 
 **示例：**
 
+FA模型示例
+
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
 import featureAbility from '@ohos.ability.featureAbility';
@@ -643,13 +645,14 @@ g_object.save("local").then((result) => {
     console.error("save failed");
 });
 ```
+Stage模型示例
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context
     }
@@ -712,10 +715,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability {
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage) {
         context = this.context
     }
@@ -786,10 +789,10 @@ Stage模型示例
 
 ```ts
 import distributedObject from '@ohos.data.distributedDataObject';
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 // 获取context
 let context;
-class MainAbility extends Ability {
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage) {
         context = this.context
     }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
index 94a29db19d58c1470573338889d8da8c6d1a0430..8a956e0f58c796b676fe6575b9098def7dd5c5c0 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
@@ -69,9 +69,9 @@ Stage模型示例：
 
 ```ts
 // 获取context
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 let context = null;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context;
     }
@@ -139,9 +139,9 @@ Stage模型示例：
 
 ```ts
 // 获取context
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 let context = null;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context;
     }
@@ -215,9 +215,9 @@ Stage模型示例：
 
 ```ts
 // 获取context
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 let context = null;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context;
     }
@@ -294,9 +294,9 @@ Stage模型示例：
 
 ```ts
 // 获取context
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 let context = null;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context;
     }
@@ -358,9 +358,9 @@ Stage模型示例：
 
 ```ts
 // 获取context
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 let context = null;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context;
     }
@@ -428,9 +428,9 @@ Stage模型示例：
 
 ```ts
 // 获取context
-import Ability from '@ohos.application.Ability';
+import UIAbility from '@ohos.app.ability.UIAbility';
 let context = null;
-class MainAbility extends Ability{
+class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage){
         context = this.context;
     }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md b/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md
index c8ced91e73e6b52952098b952e99843848237b73..9837bd951f5250faedba08f6ddd9872d669a5d31 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-distributedKVStore.md
@@ -271,9 +271,9 @@ createKVManager(config: KVManagerConfig): KVManager
 Stage模型下的示例：
 
 ```js
-import AbilityStage from '@ohos.application.Ability'
+import UIAbility from '@ohos.app.ability.UIAbility'
 let kvManager;
-export default class MyAbilityStage extends AbilityStage {
+export default class EntryAbility extends UIAbility {
     onCreate() {
         console.log("MyAbilityStage onCreate")
         let context = this.context