update docs

Signed-off-by: Nshawn_he <shawn.he@huawei.com>

en/application-dev/dfx/apprecovery-guidelines.md

@@ -83,7 +83,7 @@ export default class MyAbilityStage extends AbilityStage {
 ### Saving and Restoring Data
 
 After enabling **appRecovery**, you can use this function by either actively or passively saving the status and restoring data in the ability.
-The following is an example of **MainAbility**:
+The following is an example of **EntryAbility**:
 
 #### Importing the Service Package
 
@@ -109,7 +109,7 @@ import AbilityConstant from '@ohos.app.ability.AbilityConstant'
 
   onWindowStageCreate(windowStage) {
       // Main window is created. Set a main page for this ability.
-      console.log("[Demo] MainAbility onWindowStageCreate")
+      console.log("[Demo] EntryAbility onWindowStageCreate")
 
       globalThis.registerObserver = (() => {
           registerId = errorManager.registerErrorObserver(callback);
@@ -121,12 +121,12 @@ import AbilityConstant from '@ohos.app.ability.AbilityConstant'
 
 - Save data.
 
-After the callback triggers **appRecovery.saveAppState()**, **onSaveState(state, wantParams)** of **MainAbility** is triggered.
+After the callback triggers **appRecovery.saveAppState()**, **onSaveState(state, wantParams)** of **EntryAbility** is triggered.
 
 ```ts
   onSaveState(state, wantParams) {
       // Save application data.
-      console.log("[Demo] MainAbility onSaveState")
+      console.log("[Demo] EntryAbility onSaveState")
       wantParams["myData"] = "my1234567";
       return AbilityConstant.onSaveResult.ALL_AGREE;
   }
@@ -134,12 +134,12 @@ After the callback triggers **appRecovery.saveAppState()**, **onSaveState(state,
 
 - Restore data.
 
-After the callback triggers **appRecovery.restartApp()**, the application is restarted. After the restart, **onSaveState(state, wantParams)** of **MainAbility** is called, and the saved data is in **parameters** of **want**.
+After the callback triggers **appRecovery.restartApp()**, the application is restarted. After the restart, **onSaveState(state, wantParams)** of **EntryAbility** is called, and the saved data is in **parameters** of **want**.
 
 ```ts
 storage: LocalStorage
 onCreate(want, launchParam) {
-    console.log("[Demo] MainAbility onCreate")
+    console.log("[Demo] EntryAbility onCreate")
     globalThis.abilityWant = want;
     if (launchParam.launchReason == AbilityConstant.LaunchReason.APP_RECOVERY) {
         this.storage = new LocalStorage();
@@ -155,7 +155,7 @@ onCreate(want, launchParam) {
 ```ts
 onWindowStageDestroy() {
     // Main window is destroyed to release UI resources.
-    console.log("[Demo] MainAbility onWindowStageDestroy")
+    console.log("[Demo] EntryAbility onWindowStageDestroy")
 
     globalThis.unRegisterObserver = (() => {
         errorManager.unregisterErrorObserver(registerId, (result) => {
@@ -170,10 +170,10 @@ onWindowStageDestroy() {
 This is triggered by the recovery framework. You do not need to register **ErrorObserver callback**. You only need to implement **onSaveState** of the ability for status saving and **onCreate** of the ability for data restoration.
 
 ```ts
-export default class MainAbility extends Ability {
+export default class EntryAbility extends Ability {
     storage: LocalStorage
     onCreate(want, launchParam) {
-        console.log("[Demo] MainAbility onCreate")
+        console.log("[Demo] EntryAbility onCreate")
         globalThis.abilityWant = want;
         if (launchParam.launchReason == AbilityConstant.LaunchReason.APP_RECOVERY) {
             this.storage = new LocalStorage();
@@ -185,7 +185,7 @@ export default class MainAbility extends Ability {
 
     onSaveState(state, wantParams) {
         // Save application data.
-        console.log("[Demo] MainAbility onSaveState")
+        console.log("[Demo] EntryAbility onSaveState")
         wantParams["myData"] = "my1234567";
         return AbilityConstant.onSaveResult.ALL_AGREE;
     }

en/application-dev/dfx/errormanager-guidelines.md

@@ -36,8 +36,8 @@ When an asynchronous callback is used, the return value can be processed directl
 
 ## Development Example
 ```ts
-import Ability from '@ohos.application.Ability'
-import errorManager from '@ohos.application.errorManager'
+import UIAbility from '@ohos.app.ability.UIAbility';
+import errorManager from '@ohos.application.errorManager';
 
 var registerId = -1;
 var callback = {
@@ -45,15 +45,15 @@ var callback = {
         console.log(errMsg);
     }
 }
-export default class MainAbility extends Ability {
+export default class EntryAbility extends Ability {
     onCreate(want, launchParam) {
-        console.log("[Demo] MainAbility onCreate")
+        console.log("[Demo] EntryAbility onCreate")
         registerId = errorManager.registerErrorObserver(callback);
         globalThis.abilityWant = want;
     }
 
     onDestroy() {
-        console.log("[Demo] MainAbility onDestroy")
+        console.log("[Demo] EntryAbility onDestroy")
         errorManager.unregisterErrorObserver(registerId, (result) => {
             console.log("[Demo] result " + result.code + ";" + result.message)
         });
@@ -61,7 +61,7 @@ export default class MainAbility extends Ability {
 
     onWindowStageCreate(windowStage) {
         // Main window is created for this ability.
-        console.log("[Demo] MainAbility onWindowStageCreate")
+        console.log("[Demo] EntryAbility onWindowStageCreate")
 
         windowStage.loadContent("pages/index", (err, data) => {
             if (err.code) {
@@ -74,17 +74,17 @@ export default class MainAbility extends Ability {
 
     onWindowStageDestroy() {
         // Main window is destroyed to release UI resources.
-        console.log("[Demo] MainAbility onWindowStageDestroy")
+        console.log("[Demo] EntryAbility onWindowStageDestroy")
     }
 
     onForeground() {
         // Ability is brought to the foreground.
-        console.log("[Demo] MainAbility onForeground")
+        console.log("[Demo] EntryAbility onForeground")
     }
 
     onBackground() {
         // Ability is brought back to the background.
-        console.log("[Demo] MainAbility onBackground")
+        console.log("[Demo] EntryAbility onBackground")
     }
 };
 ```

en/application-dev/dfx/hiappevent-guidelines.md

@@ -49,11 +49,11 @@ The following example illustrates how to log and subscribe to button click event
 
    ```js
    import hilog from '@ohos.hilog';
-   import Ability from '@ohos.application.Ability'
+   import UIAbility from '@ohos.app.ability.UIAbility';
    import Window from '@ohos.window'
    import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent'
    
-   export default class EntryAbility extends Ability {
+   export default class EntryAbility extends UIAbility {
        onCreate(want, launchParam) {
            hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
            hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');

en/application-dev/quick-start/application-configuration-file-overview-fa.md

@@ -49,7 +49,7 @@ Example of the **config.json** file:
     ],
     "commonEvents": [
       {
-        "name": ".MainAbility",
+        "name": ".EntryAbility",
         "permission": "ohos.permission.GET_BUNDLE_INFO",
         "data": [
           "com.example.demo",