diff --git a/en/application-dev/reference/apis/js-apis-app-ability-abilityConstant.md b/en/application-dev/reference/apis/js-apis-app-ability-abilityConstant.md
index 766636a7c7d4cda38cb2b71395fd3f2575e2f784..62d38c714940a754e566bbdebadac2e3fcbccec2 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-abilityConstant.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-abilityConstant.md
@@ -48,7 +48,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 class MyAbility extends UIAbility {
     onCreate(want, launchParam) {
         if (launchParam.launchReason === AbilityConstant.LaunchReason.START_ABILITY) {
-            console.log("The ability has been started by the way of startAbility.");
+            console.log('The ability has been started by the way of startAbility.');
         }
     }
 }
@@ -74,7 +74,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 class MyAbility extends UIAbility {
     onCreate(want, launchParam) {
         if (launchParam.lastExitReason === AbilityConstant.LastExitReason.ABILITY_NOT_RESPONDING) {
-            console.log("The ability has exit last because the ability was not responding.");
+            console.log('The ability has exit last because the ability was not responding.');
         }
     }
 }
@@ -110,20 +110,22 @@ Enumerates the window modes in which an ability can be displayed at startup. It
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
+**System API**: This is a system API and cannot be called by third-party applications.
+
 | Name                       | Value| Description                |
 | ---                         | --- | ---                  |
 | WINDOW_MODE_UNDEFINED       | 0   | Undefined window mode.      |
 | WINDOW_MODE_FULLSCREEN      | 1   | The ability is displayed in full screen.           |
-| WINDOW_MODE_SPLIT_PRIMARY   | 100 | The ability is displayed in the primary window in split-screen mode.  |
-| WINDOW_MODE_SPLIT_SECONDARY | 101 | The ability is displayed in the secondary window in split-screen mode.  |
+| WINDOW_MODE_SPLIT_PRIMARY   | 100 | The left screen in horizontal direction or the upper screen in vertical direction is the primary window.  |
+| WINDOW_MODE_SPLIT_SECONDARY | 101 | The right screen in horizontal direction or the lower screen in vertical direction is the secondary window.  |
 | WINDOW_MODE_FLOATING        | 102 | The ability is displayed in a floating window.|
 
 **Example**
 
 ```ts
 let want = {
-    bundleName: "com.example.myapplication",
-    abilityName: "EntryAbility"
+    bundleName: 'com.example.myapplication',
+    abilityName: 'EntryAbility'
 };
 let option = {
     windowMode: AbilityConstant.WindowMode.WINDOW_MODE_FULLSCREEN
@@ -131,9 +133,9 @@ let option = {
 
 // Ensure that the context is obtained.
 this.context.startAbility(want, option).then(()={
-    console.log("Succeed to start ability.");
+    console.log('Succeed to start ability.');
 }).catch((error)=>{
-    console.log("Failed to start ability with error: " + JSON.stringify(error));
+    console.log('Failed to start ability with error: ${JSON.stringify(error)}');
 });
 ```
 
@@ -157,7 +159,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 class MyAbility extends UIAbility {
     onMemoryLevel(level) {
         if (level === AbilityConstant.MemoryLevel.MEMORY_LEVEL_CRITICAL) {
-            console.log("The memory of device is critical, please release some memory.");
+            console.log('The memory of device is critical, please release some memory.');
         }
     }
 }
@@ -209,7 +211,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 class MyAbility extends UIAbility {
     onSaveState(reason, wantParam) {
         if (reason === AbilityConstant.StateType.CONTINUATION) {
-            console.log("Save the ability data when the ability continuation.");
+            console.log('Save the ability data when the ability continuation.');
         } 
         return AbilityConstant.OnSaveResult.ALL_AGREE;
     }
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-abilityDelegatorRegistry.md b/en/application-dev/reference/apis/js-apis-app-ability-abilityDelegatorRegistry.md
index 5cfa437047868a9183ae4bb4f41ff42eec47f5d7..fe6bec9f550bef9bdeb6a3c61c8a1c5adc810f10 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-abilityDelegatorRegistry.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-abilityDelegatorRegistry.md
@@ -49,16 +49,16 @@ import AbilityDelegatorRegistry from '@ohos.app.ability.abilityDelegatorRegistry
 let abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
 
 let want = {
-    bundleName: "com.example.myapplication",
-    abilityName: "EntryAbility"
+    bundleName: 'com.example.myapplication',
+    abilityName: 'EntryAbility'
 };
 abilityDelegator.startAbility(want, (err) => {
-    if (err.code !== 0) {
-        console.log("Success start ability.");
+    if (!err || err.code === 0) {
+        console.log('Success start ability.');
     } else {
-        console.log("Failed start ability, error: " + JSON.stringify(err));
+        console.log('Failed start ability, error: ${JSON.stringify(err)}');
     }
-})
+});
 ```
 
 ## AbilityDelegatorRegistry.getArguments
@@ -81,8 +81,8 @@ Obtains an [AbilityDelegatorArgs](js-apis-inner-application-abilityDelegatorArgs
 import AbilityDelegatorRegistry from '@ohos.app.ability.abilityDelegatorRegistry';
 
 let args = AbilityDelegatorRegistry.getArguments();
-console.info("getArguments bundleName:" + args.bundleName);
-console.info("getArguments parameters:" + JSON.stringify(args.parameters));
-console.info("getArguments testCaseNames:" + args.testCaseNames);
-console.info("getArguments testRunnerClassName:" + args.testRunnerClassName);
+console.info('getArguments bundleName: ${args.bundleName}');
+console.info('getArguments parameters: ${JSON.stringify(args.parameters)}');
+console.info('getArguments testCaseNames: ${args.testCaseNames}');
+console.info('getArguments testRunnerClassName: ${args.testRunnerClassName}');
 ```
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md b/en/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
index 84be19350707fee37328ff8040b2986588afd2f8..df7b07b2d0303bf9310cfdd354d50b1db9239ece 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
@@ -11,7 +11,7 @@ The **AbilityLifecycleCallback** module defines the callbacks to receive lifecyc
 ## Modules to Import
 
 ```ts
-import AbilityLifecycleCallback from "@ohos.app.ability.AbilityLifecycleCallback";
+import AbilityLifecycleCallback from '@ohos.app.ability.AbilityLifecycleCallback';
 ```
 
 
@@ -25,15 +25,15 @@ Called when an ability is created.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.| 
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onAbilityCreate(ability){
-        console.log("AbilityLifecycleCallback onAbilityCreate.");  
+        console.log('AbilityLifecycleCallback onAbilityCreate.');  
     }
 };
 ```
@@ -48,16 +48,16 @@ Called when the window stage of an ability is created.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
-| windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|  
+  | windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|    
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onWindowStageCreate(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageCreate.");
+        console.log('AbilityLifecycleCallback onWindowStageCreate.');
     }
 };
 ```
@@ -72,16 +72,16 @@ Called when the window stage of an ability gains focus.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
-| windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|  
+  | windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|    
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onWindowStageActive(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageActive.");
+        console.log('AbilityLifecycleCallback onWindowStageActive.');
     }
 };
 ```
@@ -96,16 +96,16 @@ Called when the window stage of an ability loses focus.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
-| windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|  
+  | windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|  
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onWindowStageInactive(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageInactive.");
+        console.log('AbilityLifecycleCallback onWindowStageInactive.');
     }
 };
 ```
@@ -120,16 +120,16 @@ Called when the window stage of an ability is destroyed.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
-| windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|  
+  | windowStage | [window.WindowStage](js-apis-window.md#windowstage9) | Yes| **WindowStage** object.|  
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onWindowStageDestroy(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageDestroy.");
+        console.log('AbilityLifecycleCallback onWindowStageDestroy.');
     }
 };
 ```
@@ -144,15 +144,15 @@ Called when an ability is destroyed.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.| 
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onAbilityDestroy(ability){
-        console.log("AbilityLifecycleCallback onAbilityDestroy.");
+        console.log('AbilityLifecycleCallback onAbilityDestroy.');
     }
 };
 ```
@@ -167,15 +167,15 @@ Called when an ability is switched from the background to the foreground.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.| 
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onAbilityForeground(ability){
-        console.log("AbilityLifecycleCallback onAbilityForeground.");
+        console.log('AbilityLifecycleCallback onAbilityForeground.');
     }
 };
 ```
@@ -190,15 +190,15 @@ Called when an ability is switched from the foreground to the background.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.| 
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onAbilityBackground(ability){
-        console.log("AbilityLifecycleCallback onAbilityBackground.");
+        console.log('AbilityLifecycleCallback onAbilityBackground.');
     }
 };
 ```
@@ -213,15 +213,15 @@ Called when an ability is continued on another device.
 
 **Parameters**
 
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.|
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [UIAbility](js-apis-app-ability-uiAbility.md) | Yes| **Ability** object.| 
 
 **Example**
 ```ts
 let abilityLifecycleCallback =  {
     onAbilityContinue(ability){
-        console.log("AbilityLifecycleCallback onAbilityContinue.");
+        console.log('AbilityLifecycleCallback onAbilityContinue.');
     }
 };
 ```
@@ -232,52 +232,52 @@ let abilityLifecycleCallback =  {
 
 MyFirstAbility.ts
 ```ts
-import AbilityLifecycleCallback from "@ohos.app.ability.AbilityLifecycleCallback";
-import AbilityStage from "@ohos.app.ability.AbilityStage";
+import AbilityLifecycleCallback from '@ohos.app.ability.AbilityLifecycleCallback';
+import AbilityStage from '@ohos.app.ability.AbilityStage';
 import UIAbility from '@ohos.app.ability.UIAbility';
 
 // Declare the ability lifecycle callbacks. A listener can be registered in applicationContext only after all the callbacks are configured.
 let abilityLifecycleCallback = {
     onAbilityCreate(ability){
-        console.log("AbilityLifecycleCallback onAbilityCreate.");  
+        console.log('AbilityLifecycleCallback onAbilityCreate.');  
     },
     onWindowStageCreate(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageCreate.");
+        console.log('AbilityLifecycleCallback onWindowStageCreate.');
     },
     onWindowStageActive(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageActive.");
+        console.log('AbilityLifecycleCallback onWindowStageActive.');
     },
     onWindowStageInactive(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageInactive.");
+        console.log('AbilityLifecycleCallback onWindowStageInactive.');
     },
     onWindowStageDestroy(ability, windowStage){
-        console.log("AbilityLifecycleCallback onWindowStageDestroy.");
+        console.log('AbilityLifecycleCallback onWindowStageDestroy.');
     },
     onAbilityDestroy(ability){
-        console.log("AbilityLifecycleCallback onAbilityDestroy.");
+        console.log('AbilityLifecycleCallback onAbilityDestroy.');
     },
     onAbilityForeground(ability){
-        console.log("AbilityLifecycleCallback onAbilityForeground.");
+        console.log('AbilityLifecycleCallback onAbilityForeground.');
     },
     onAbilityBackground(ability){
-        console.log("AbilityLifecycleCallback onAbilityBackground.");
+        console.log('AbilityLifecycleCallback onAbilityBackground.');
     },
     onAbilityContinue(ability){
-        console.log("AbilityLifecycleCallback onAbilityContinue.");
+        console.log('AbilityLifecycleCallback onAbilityContinue.');
     }
 };
 
 export default class MyFirstAbility extends UIAbility {
     onCreate() {
-        console.log("MyAbilityStage onCreate");
+        console.log('MyAbilityStage onCreate');
         // 1. Obtain applicationContext through the context attribute.
         let applicationContext = this.context.getApplicationContext();
         // 2. Register the listener for the ability lifecycle changes through the applicationContext object.
         try {
-            globalThis.lifecycleId = applicationContext.on("abilityLifecycle", abilityLifecycleCallback);
-            console.log("registerAbilityLifecycleCallback number: " + JSON.stringify(lifecycleId));
+            globalThis.lifecycleId = applicationContext.on('abilityLifecycle', abilityLifecycleCallback);
+            console.log('registerAbilityLifecycleCallback number: ${JSON.stringify(lifecycleId)}');
         } catch (paramError) {
-            console.log("error: " + paramError.code + " ," + paramError.message);
+            console.log('error: ${paramError.code}, ${paramError.message}');
         }
     }
 }
@@ -285,17 +285,17 @@ export default class MyFirstAbility extends UIAbility {
 
 MySecondAbility.ts
 ```ts
-import UIAbility from "ohos.app.ability.UIAbility";
+import UIAbility from 'ohos.app.ability.UIAbility';
 
 export default class MySecondAbility extends UIAbility {
     onDestroy() {
         let applicationContext = this.context.getApplicationContext();
-        // 3. Deregister the listener for the environment changes through the applicationContext object.
-        applicationContext.off("abilityLifecycle", globalThis.lifecycleId, (error) => {
-            if (error.code != 0) {
-                console.log("unregisterAbilityLifecycleCallback failed, error: " + JSON.stringify(error));
+        // 3. Deregister the listener for the ability lifecycle changes through the applicationContext object.
+        applicationContext.off('abilityLifecycle', globalThis.lifecycleId, (error) => {
+            if (error && error.code !== 0) {
+                console.log('unregisterAbilityLifecycleCallback fail, error: ${JSON.stringify(error)}');
             } else {
-                console.log("unregisterAbilityLifecycleCallback success.");
+                console.log('unregisterAbilityLifecycleCallback success.');
             }
         });
     }
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-abilityManager.md b/en/application-dev/reference/apis/js-apis-app-ability-abilityManager.md
index f7f9c49a4cdf1c9e8c92ad8b7c8bd977df525477..1752be21e6c0565bf1b8487fa1c447a758827929 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-abilityManager.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-abilityManager.md
@@ -24,6 +24,7 @@ Enumerates the ability states. This enum can be used together with [AbilityRunni
 | Name| Value| Description| 
 | -------- | -------- | -------- |
 | INITIAL | 0 | The ability is in the initial state.| 
+| FOCUS | 2 | The ability has the focus.|
 | FOREGROUND | 9 | The ability is in the foreground state. | 
 | BACKGROUND | 10 | The ability is in the background state. | 
 | FOREGROUNDING | 11 | The ability is in the state of being switched to the foreground. | 
@@ -70,15 +71,14 @@ const config = {
 
 try {
     abilityManager.updateConfiguration(config, (err) => {
-        if (err.code !== 0) {
-            console.log("updateConfiguration fail, err: " + JSON.stringify(err));
+        if (err && err.code !== 0) {
+            console.log('updateConfiguration fail, err: ${JSON.stringify(err)}');
         } else {
-            console.log("updateConfiguration success.");
+            console.log('updateConfiguration success.');
         }
     })
 } catch (paramError) {
-    console.log('error.code: ' + JSON.stringify(paramError.code)
-        + ' error.message: ' + JSON.stringify(paramError.message));
+    console.log('error.code: ${JSON.stringify(paramError.code)}, error.message: ${JSON.stringify(paramError.message)}');
 }
 ```
 
@@ -130,11 +130,10 @@ try {
     abilityManager.updateConfiguration(config).then(() => {
         console.log('updateConfiguration success.');
     }).catch((err) => {
-        console.log('updateConfiguration fail, err: ' + JSON.stringify(err));
+        console.log('updateConfiguration fail, err: ${JSON.stringify(err)}');
     })
 } catch (paramError) {
-    console.log('error.code: ' + JSON.stringify(paramError.code)
-        + ' error.message: ' + JSON.stringify(paramError.message));
+    console.log('error.code: ${JSON.stringify(paramError.code)}, error.message: ${JSON.stringify(paramError.message)}');
 }
 ```
 
@@ -169,15 +168,14 @@ import abilityManager from '@ohos.app.ability.abilityManager';
 
 try {
     abilityManager.getAbilityRunningInfos((err, data) => {
-        if (err.code !== 0) {
-            console.log("getAbilityRunningInfos fail, error: " + JSON.stringify(err));
+        if (err && err.code !== 0) {
+            console.log('getAbilityRunningInfos fail, error: ${JSON.stringify(err)}');
         } else {
-            console.log("getAbilityRunningInfos success, data: " + JSON.stringify(data));
+            console.log('getAbilityRunningInfos success, data: ${JSON.stringify(data)}');
         }
     });
 } catch (paramError) {
-    console.log('error.code: ' + JSON.stringify(paramError.code)
-        + ' error.message: ' + JSON.stringify(paramError.message));
+    console.log('error.code: ${JSON.stringify(paramError.code)}, error.message: ${JSON.stringify(paramError.message)}');
 }
 ```
 
@@ -185,7 +183,7 @@ try {
 
 getAbilityRunningInfos(): Promise\<Array\<AbilityRunningInfo>>
 
-Obtains the ability running information. This API uses a promise to return the result.
+Obtains the UIAbility running information. This API uses a promise to return the result.
 
 **Required permissions**: ohos.permission.GET_RUNNING_INFO
 
@@ -195,7 +193,7 @@ Obtains the ability running information. This API uses a promise to return the r
 
 | Type                                      | Description     |
 | ---------------------------------------- | ------- |
-| Promise\<Array\<[AbilityRunningInfo](js-apis-inner-application-abilityRunningInfo.md)>> | Callback used to return the API call result and the ability running information. You can perform error handling or custom processing in this callback.|
+| Promise\<Array\<[AbilityRunningInfo](js-apis-inner-application-abilityRunningInfo.md)>> | Promise used to return the API call result and the UIAbility running information. You can perform error handling or custom processing in this callback.|
 
 **Error codes**
 
@@ -212,13 +210,12 @@ import abilityManager from '@ohos.app.ability.abilityManager';
 
 try {
     abilityManager.getAbilityRunningInfos().then((data) => {
-        console.log("getAbilityRunningInfos success, data: " + JSON.stringify(data))
+        console.log('getAbilityRunningInfos success, data: ${JSON.stringify(data)}');
     }).catch((err) => {
-        console.log("getAbilityRunningInfos fail, err: "  + JSON.stringify(err));
+        console.log('getAbilityRunningInfos fail, err: ${JSON.stringify(err)}');
     });
 } catch (paramError) {
-    console.log('error.code: ' + JSON.stringify(paramError.code)
-        + ' error.message: ' + JSON.stringify(paramError.message));
+    console.log('error.code: ${JSON.stringify(paramError.code)}, error.message: ${JSON.stringify(paramError.message)}');
 }
 ```
 
@@ -256,15 +253,14 @@ let upperLimit = 10;
 
 try {
     abilityManager.getExtensionRunningInfos(upperLimit, (err, data) => { 
-        if (err.code !== 0) {
-            console.log("getExtensionRunningInfos fail, err: " + JSON.stringify(err));
+        if (err && err.code !== 0) {
+            console.log('getExtensionRunningInfos fail, err: ${JSON.stringify(err)}');
         } else {
-            console.log("getExtensionRunningInfos success, data: " + JSON.stringify(data));
+            console.log('getExtensionRunningInfos success, data: ${JSON.stringify(data)}');
         }
     });
 } catch (paramError) {
-    console.log('error.code: ' + JSON.stringify(paramError.code)
-        + ' error.message: ' + JSON.stringify(paramError.message));
+    console.log('error.code: ${JSON.stringify(paramError.code)}, error.message: ${JSON.stringify(paramError.message)}');
 }
 ```
 
@@ -307,13 +303,12 @@ let upperLimit = 10;
 
 try {
     abilityManager.getExtensionRunningInfos(upperLimit).then((data) => {
-        console.log("getExtensionRunningInfos success, data: " + JSON.stringify(data));
+        console.log('getExtensionRunningInfos success, data: ${JSON.stringify(data)}');
     }).catch((err) => {
-        console.log("getExtensionRunningInfos fail, err: "  + JSON.stringify(err));
+        console.log('getExtensionRunningInfos fail, err: ${JSON.stringify(err)}');
     })
 } catch (paramError) {
-    console.log('error.code: ' + JSON.stringify(paramError.code)
-        + ' error.message: ' + JSON.stringify(paramError.message));
+    console.log('error.code: ${JSON.stringify(paramError.code)}, error.message: ${JSON.stringify(paramError.message)}');
 }
 ```
 
@@ -345,10 +340,10 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import abilityManager from '@ohos.app.ability.abilityManager';
 
 abilityManager.getTopAbility((err, data) => { 
-    if (err.code !== 0) {
-        console.log("getTopAbility fail, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('getTopAbility fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("getTopAbility success, data: " + JSON.stringify(data));
+        console.log('getTopAbility success, data: ${JSON.stringify(data)}');
     }
 });
 ```
@@ -381,8 +376,8 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import abilityManager from '@ohos.app.ability.abilityManager';
 
 abilityManager.getTopAbility().then((data) => {
-    console.log("getTopAbility success, data: " + JSON.stringify(data));
+    console.log('getTopAbility success, data: ${JSON.stringify(data)}');
 }).catch((err) => {
-    console.log("getTopAbility fail, err: "  + JSON.stringify(err));
+    console.log('getTopAbility fail, err: ${JSON.stringify(err)}');
 })
 ```
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-abilityStage.md b/en/application-dev/reference/apis/js-apis-app-ability-abilityStage.md
index 50feb82791f8992894641a296d6cb831fdc86680..89dc8c251534c355a0dca5d122b72d070a7ef460 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-abilityStage.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-abilityStage.md
@@ -30,7 +30,7 @@ import AbilityStage from '@ohos.app.ability.AbilityStage';
 
 class MyAbilityStage extends AbilityStage {
     onCreate() {
-        console.log("MyAbilityStage.onCreate is called");
+        console.log('MyAbilityStage.onCreate is called');
     }
 }
 ```
@@ -63,8 +63,8 @@ import AbilityStage from '@ohos.app.ability.AbilityStage';
 
 class MyAbilityStage extends AbilityStage {
     onAcceptWant(want) {
-        console.log("MyAbilityStage.onAcceptWant called");
-        return "com.example.test";
+        console.log('MyAbilityStage.onAcceptWant called');
+        return 'com.example.test';
     }
 }
 ```
@@ -91,7 +91,7 @@ import AbilityStage from '@ohos.app.ability.AbilityStage';
 
 class MyAbilityStage extends AbilityStage {
     onConfigurationUpdate(config) {
-        console.log('onConfigurationUpdate, language:' + config.language);
+        console.log('onConfigurationUpdate, language: ${config.language}');
     }
 }
 ```
@@ -117,7 +117,7 @@ import AbilityStage from '@ohos.app.ability.AbilityStage';
 
 class MyAbilityStage extends AbilityStage {
     onMemoryLevel(level) {
-        console.log('onMemoryLevel, level:' + JSON.stringify(level));
+        console.log('onMemoryLevel, level: ${JSON.stringify(level)}');
     } 
 }
 ```
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-appManager.md b/en/application-dev/reference/apis/js-apis-app-ability-appManager.md
index 840a395eac9e17558918dd7466aa9e0b178b1c4d..3943d78d7f01799de177b8297013c7c26b1c6c64 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-appManager.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-appManager.md
@@ -40,10 +40,10 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.isRunningInStabilityTest((err, flag) => {
-    if (err.code !== 0) {
-        console.log("isRunningInStabilityTest faile, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('isRunningInStabilityTest fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("The result of isRunningInStabilityTest is:" + JSON.stringify(flag));
+        console.log('The result of isRunningInStabilityTest is: ${JSON.stringify(flag)}');
     }
 })  
 ```
@@ -77,9 +77,9 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.isRunningInStabilityTest().then((flag) => {
-    console.log("The result of isRunningInStabilityTest is:" + JSON.stringify(flag));
+    console.log('The result of isRunningInStabilityTest is: ${JSON.stringify(flag)}');
 }).catch((error) => {
-    console.log("error:" + JSON.stringify(error));
+    console.log('error: ${JSON.stringify(error)}');
 });
 ```
 
@@ -112,9 +112,9 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.isRamConstrainedDevice().then((data) => {
-    console.log("The result of isRamConstrainedDevice is:" + JSON.stringify(data));
+    console.log('The result of isRamConstrainedDevice is: ${JSON.stringify(data)}');
 }).catch((error) => {
-    console.log("error:" + JSON.stringify(error));
+    console.log('error: ${JSON.stringify(error)}');
 });
 ```
 
@@ -146,10 +146,10 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.isRamConstrainedDevice((err, data) => {
-    if (err.code !== 0) {
-        console.log("isRamConstrainedDevice faile, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('isRamConstrainedDevice fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("The result of isRamConstrainedDevice is:" + JSON.stringify(data));
+        console.log('The result of isRamConstrainedDevice is: ${JSON.stringify(data)}');
     }
 })
 ```
@@ -182,9 +182,9 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.getAppMemorySize().then((data) => {
-    console.log("The size of app memory is:" + JSON.stringify(data));
+    console.log('The size of app memory is: ${JSON.stringify(data)}');
 }).catch((error) => {
-    console.log("error:" + JSON.stringify(error));
+    console.log('error: ${JSON.stringify(error)}');
 });
 ```
 
@@ -216,17 +216,17 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.getAppMemorySize((err, data) => {
-    if (err.code !== 0) {
-        console.log("getAppMemorySize faile, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('getAppMemorySize fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("The size of app memory is:" + JSON.stringify(data));
+        console.log('The size of app memory is: ${JSON.stringify(data)}');
     }
 })
 ```
 
-## appManager.getProcessRunningInformation
+## appManager.getRunningProcessInformation
 
-getProcessRunningInformation(): Promise\<Array\<ProcessRunningInformation>>;
+getRunningProcessInformation(): Promise\<Array\<ProcessInformation>>;
 
 Obtains information about the running processes. This API uses a promise to return the result.
 
@@ -234,13 +234,11 @@ Obtains information about the running processes. This API uses a promise to retu
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
-**System API**: This is a system API and cannot be called by third-party applications.
-
 **Return value**
 
 | Type| Description|
 | -------- | -------- |
-| Promise\<Array\<[ProcessRunningInformation](js-apis-inner-application-processRunningInformation.md)>> | Promise used to return the API call result and the process running information. You can perform error handling or custom processing in this callback.|
+| Promise\<Array\<[ProcessInformation](js-apis-inner-application-processInformation.md)>> | Promise used to return the API call result and the process running information. You can perform error handling or custom processing in this callback.|
 
 **Error codes**
 
@@ -255,16 +253,16 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 ```ts
 import appManager from '@ohos.app.ability.appManager';
 
-appManager.getProcessRunningInformation().then((data) => {
-    console.log("The process running information is:" + JSON.stringify(data));
+appManager.getRunningProcessInformation().then((data) => {
+    console.log('The running process information is: ${JSON.stringify(data)}');
 }).catch((error) => {
-    console.log("error:" + JSON.stringify(error));
+    console.log('error: ${JSON.stringify(error)}');
 });
 ```
 
-## appManager.getProcessRunningInformation<sup>9+</sup>
+## appManager.getRunningProcessInformation<sup>9+</sup>
 
-getProcessRunningInformation(callback: AsyncCallback\<Array\<ProcessRunningInformation>>): void;
+getRunningProcessInformation(callback: AsyncCallback\<Array\<ProcessInformation>>): void;
 
 Obtains information about the running processes. This API uses an asynchronous callback to return the result.
 
@@ -272,13 +270,11 @@ Obtains information about the running processes. This API uses an asynchronous c
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
-**System API**: This is a system API and cannot be called by third-party applications.
-
 **Parameters**
 
 | Type| Description|
 | -------- | -------- |
-|AsyncCallback\<Array\<[ProcessRunningInformation](js-apis-inner-application-processRunningInformation.md)>> | Callback used to return the API call result and the process running information. You can perform error handling or custom processing in this callback.|
+|AsyncCallback\<Array\<[ProcessInformation](js-apis-inner-application-processInformation.md)>> | Callback used to return the API call result and the process running information. You can perform error handling or custom processing in this callback.|
 
 **Error codes**
 
@@ -293,18 +289,18 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 ```ts
 import appManager from '@ohos.app.ability.appManager';
 
-appManager.getProcessRunningInformation((err, data) => {
-    if (err.code !== 0) {
-        console.log("getProcessRunningInformation faile, err: " + JSON.stringify(err));
+appManager.getRunningProcessInformation((err, data) => {
+    if (err && err.code !== 0) {
+        console.log('getRunningProcessInformation fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("The process running information is:" + JSON.stringify(data));
+        console.log('The process running information is: ${JSON.stringify(data)}');
     }
 })
 ```
 
 ## appManager.on
 
-on(type: "applicationState", observer: ApplicationStateObserver): number;
+on(type: 'applicationState', observer: ApplicationStateObserver): number;
 
 Registers an observer to listen for the state changes of all applications.
 
@@ -318,7 +314,7 @@ Registers an observer to listen for the state changes of all applications.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| type | string | Yes| Type of the API to call. It is fixed at **"applicationState"**.|
+| type | string | Yes| Type of the API to call. It is fixed at **'applicationState'**.|
 | observer | [ApplicationStateObserver](./js-apis-inner-application-applicationStateObserver.md) | Yes| Application state observer, which is used to observe the lifecycle change of an application.|
 
 **Return value**
@@ -367,7 +363,7 @@ try {
 
 ## appManager.on
 
-on(type: "applicationState", observer: ApplicationStateObserver, bundleNameList: Array\<string>): number;
+on(type: 'applicationState', observer: ApplicationStateObserver, bundleNameList: Array\<string>): number;
 
 Registers an observer to listen for the state changes of a specified application.
 
@@ -381,7 +377,7 @@ Registers an observer to listen for the state changes of a specified application
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| type | string | Yes| Type of the API to call. It is fixed at **"applicationState"**.|
+| type | string | Yes| Type of the API to call. It is fixed at **'applicationState'**.|
 | observer | [ApplicationStateObserver](./js-apis-inner-application-applicationStateObserver.md) | Yes| Application state observer, which is used to observe the lifecycle change of an application.|
 | bundleNameList | `Array<string>` | Yes| **bundleName** array of the application. A maximum of 128 bundle names can be passed.|
 
@@ -423,7 +419,7 @@ let applicationStateObserver = {
 }
 let bundleNameList = ['bundleName1', 'bundleName2'];
 try {
-    const observerId = appManager.on("applicationState", applicationStateObserver, bundleNameList);
+    const observerId = appManager.on('applicationState', applicationStateObserver, bundleNameList);
     console.log(`[appManager] observerCode: ${observerId}`);
 } catch (paramError) {
     console.log(`[appManager] error: ${paramError.code}, ${paramError.message} `);
@@ -432,7 +428,7 @@ try {
 
 ## appManager.off
 
-off(type: "applicationState", observerId: number,  callback: AsyncCallback\<void>): void;
+off(type: 'applicationState', observerId: number,  callback: AsyncCallback\<void>): void;
 
 Deregisters the application state observer. This API uses an asynchronous callback to return the result.
 
@@ -446,7 +442,7 @@ Deregisters the application state observer. This API uses an asynchronous callba
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| type | string | Yes| Type of the API to call. It is fixed at **"applicationState"**.|
+| type | string | Yes| Type of the API to call. It is fixed at **'applicationState'**.|
 | observerId | number | Yes| Digital code of the observer.|
 | callback | AsyncCallback\<void> | Yes| Callback used to return the API call result. You can perform error handling or custom processing in this callback.|
 
@@ -485,7 +481,7 @@ let applicationStateObserver = {
 }
 let bundleNameList = ['bundleName1', 'bundleName2'];
 try {
-    observerId = appManager.on("applicationState", applicationStateObserver, bundleNameList);
+    observerId = appManager.on('applicationState', applicationStateObserver, bundleNameList);
     console.log(`[appManager] observerCode: ${observerId}`);
 } catch (paramError) {
     console.log(`[appManager] error: ${paramError.code}, ${paramError.message} `);
@@ -493,22 +489,22 @@ try {
 
 // 2. Deregister the application state observer.
 function unregisterApplicationStateObserverCallback(err) {
-    if (err.code !== 0) {
-        console.log("unregisterApplicationStateObserverCallback faile, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('unregisterApplicationStateObserverCallback fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("unregisterApplicationStateObserverCallback success.");
+        console.log('unregisterApplicationStateObserverCallback success.');
     }
 }
 try {
-    appManager.off("applicationState", observerId, unregisterApplicationStateObserverCallback);
+    appManager.off('applicationState', observerId, unregisterApplicationStateObserverCallback);
 } catch (paramError) {
-    console.log('error: ' + paramError.code + ', ' + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
 ## appManager.off
 
-off(type: "applicationState", observerId: number): Promise\<void>;
+off(type: 'applicationState', observerId: number): Promise\<void>;
 
 Deregisters the application state observer. This API uses an asynchronous callback to return the result.
 
@@ -522,7 +518,7 @@ Deregisters the application state observer. This API uses an asynchronous callba
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| type | string | Yes| Type of the API to call. It is fixed at **"applicationState"**.|
+| type | string | Yes| Type of the API to call. It is fixed at **'applicationState'**.|
 | observerId | number | Yes| Digital code of the observer.|
 
 **Return value**
@@ -566,7 +562,7 @@ let applicationStateObserver = {
 }
 let bundleNameList = ['bundleName1', 'bundleName2'];
 try {
-    observerId = appManager.on("applicationState", applicationStateObserver, bundleNameList);
+    observerId = appManager.on('applicationState', applicationStateObserver, bundleNameList);
     console.log(`[appManager] observerCode: ${observerId}`);
 } catch (paramError) {
     console.log(`[appManager] error: ${paramError.code}, ${paramError.message} `);
@@ -574,13 +570,13 @@ try {
     
 // 2. Deregister the application state observer.
 try {
-    appManager.off("applicationState", observerId).then((data) => {
-        console.log("unregisterApplicationStateObserver success, data: " + JSON.stringify(data));
+    appManager.off('applicationState', observerId).then((data) => {
+        console.log('unregisterApplicationStateObserver success, data: ${JSON.stringify(data)}');
     }).catch((err) => {
-        console.log("unregisterApplicationStateObserver faile, err: " + JSON.stringify(err));
+        console.log('unregisterApplicationStateObserver fail, err: ${JSON.stringify(err)}');
     })
 } catch (paramError) {
-    console.log('error: ' + paramError.code + ', ' + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -616,16 +612,16 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 function getForegroundApplicationsCallback(err, data) {
-    if (err.code !== 0) {
-        console.log("getForegroundApplicationsCallback fail, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('getForegroundApplicationsCallback fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("getForegroundApplicationsCallback success, data: " + JSON.stringify(data));
+        console.log('getForegroundApplicationsCallback success, data: ${JSON.stringify(data)}');
     }
 }
 try {
     appManager.getForegroundApplications(getForegroundApplicationsCallback);
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -661,9 +657,9 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
 import appManager from '@ohos.app.ability.appManager';
 
 appManager.getForegroundApplications().then((data) => {
-    console.log("getForegroundApplications success, data: " + JSON.stringify(data));
+    console.log('getForegroundApplications success, data: ${JSON.stringify(data)}');
 }).catch((err) => {
-    console.log("getForegroundApplications fail, err: " + JSON.stringify(err));
+    console.log('getForegroundApplications fail, err: ${JSON.stringify(err)}');
 })
 ```
 
@@ -703,12 +699,12 @@ let bundleName = 'bundleName';
 let accountId = 0;
 try {
     appManager.killProcessWithAccount(bundleName, accountId).then(() => {
-        console.log("killProcessWithAccount success");
+        console.log('killProcessWithAccount success');
     }).catch((err) => {
-        console.log("killProcessWithAccount fail, err: " + JSON.stringify(err));
+        console.error('killProcessWithAccount fail, err: ${JSON.stringify(err)}');
     })
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.error('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -749,10 +745,10 @@ import appManager from '@ohos.app.ability.appManager';
 let bundleName = 'bundleName';
 let accountId = 0;
 function killProcessWithAccountCallback(err, data) {
-    if (err.code !== 0) {
-        console.log("killProcessWithAccountCallback fail, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('killProcessWithAccountCallback fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("killProcessWithAccountCallback success.");
+        console.log('killProcessWithAccountCallback success.');
     }
 }
 appManager.killProcessWithAccount(bundleName, accountId, killProcessWithAccountCallback);
@@ -792,16 +788,16 @@ import appManager from '@ohos.app.ability.appManager';
 
 let bundleName = 'bundleName';
 function killProcessesByBundleNameCallback(err, data) {
-    if (err.code !== 0) {
-        console.log("killProcessesByBundleNameCallback fail, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('killProcessesByBundleNameCallback fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("killProcessesByBundleNameCallback success.");
+        console.log('killProcessesByBundleNameCallback success.');
     }
 }
 try {
     appManager.killProcessesByBundleName(bundleName, killProcessesByBundleNameCallback);
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -845,12 +841,12 @@ import appManager from '@ohos.app.ability.appManager';
 let bundleName = 'bundleName';
 try {
     appManager.killProcessesByBundleName(bundleName).then((data) => {
-        console.log("killProcessesByBundleName success.");
+        console.log('killProcessesByBundleName success.');
     }).catch((err) => {
-        console.log("killProcessesByBundleName fail, err: " + JSON.stringify(err));
+        console.log('killProcessesByBundleName fail, err: ${JSON.stringify(err)}');
     })
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -888,16 +884,16 @@ import appManager from '@ohos.app.ability.appManager';
 
 let bundleName = 'bundleName';
 function clearUpApplicationDataCallback(err, data) {
-    if (err) {
-        console.log("clearUpApplicationDataCallback fail, err: " + JSON.stringify(err));
+    if (err && err.code !== 0) {
+        console.log('clearUpApplicationDataCallback fail, err: ${JSON.stringify(err)}');
     } else {
-        console.log("clearUpApplicationDataCallback success.");
+        console.log('clearUpApplicationDataCallback success.');
     }
 }
 try {
     appManager.clearUpApplicationData(bundleName, clearUpApplicationDataCallback);
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -941,12 +937,12 @@ import appManager from '@ohos.app.ability.appManager';
 let bundleName = 'bundleName';
 try {
     appManager.clearUpApplicationData(bundleName).then((data) => {
-        console.log("clearUpApplicationData success.");
+        console.log('clearUpApplicationData success.');
     }).catch((err) => {
-        console.log("clearUpApplicationData fail, err: " + JSON.stringify(err));
+        console.log('clearUpApplicationData fail, err: ${JSON.stringify(err)}');
     })
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-appRecovery.md b/en/application-dev/reference/apis/js-apis-app-ability-appRecovery.md
index e066ac119344842ffce617fd7934efa3712d895f..5a07867e6f5c28213e5cc48b07ef6a0958eb9426 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-appRecovery.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-appRecovery.md
@@ -18,13 +18,12 @@ Enumerates the application restart flags. This enum is used as an input paramete
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
-| Name                         | Value  | Description                                                        |
-| ----------------------------- | ---- | ------------------------------------------------------------ |
-| ALWAYS_RESTART           | 0    | The application is restarted in all cases.|
-| CPP_CRASH_NO_RESTART           | 0x0001    | The application is not restarted in the case of CPP_CRASH.|
-| JS_CRASH_NO_RESTART           | 0x0002    | The application is not restarted in the case of JS_CRASH.|
-| APP_FREEZE_NO_RESTART           | 0x0004    | The application is not restarted in the case of APP_FREEZE.|
-| NO_RESTART           | 0xFFFF  | The application is not restarted in any case.|
+| Name      | Value  | Description      |
+| ---------- | ---- | ---------- |
+| ALWAYS_RESTART   | 0    | The application is restarted in all cases.|
+| RESTART_WHEN_JS_CRASH   | 0x0001    | The application is restarted in the case of JS_CRASH.|
+| RESTART_WHEN_APP_FREEZE   | 0x0002    | The application is restarted in the case of APP_FREEZE.|
+| NO_RESTART           | 0xFFFF    | The application is not restarted in any case.|
 
 ## appRecovery.SaveOccasionFlag
 
@@ -69,9 +68,8 @@ Enables application recovery.
 ```ts
 import appRecovery from '@ohos.app.ability.appRecovery';
 import AbilityStage from '@ohos.app.ability.AbilityStage';
-import UIAbility from '@ohos.app.ability.UIAbility';
 
-export default class MyAbility extends UIAbility {
+export default class MyAbilityStage extends AbilityStage {
     onCreate() {
         appRecovery.enableAppRecovery(
             appRecovery.RestartFlag::ALWAYS_RESTART,
@@ -99,15 +97,15 @@ import errorManager from '@ohos.app.ability.errorManager';
 
 let observer = {
     onUnhandledException(errorMsg) {
-        console.log('onUnhandledException, errorMsg: ', errorMsg)
+        console.log('onUnhandledException, errorMsg: ', errorMsg);
         appRecovery.restartApp();
     }
 };
 
 try {
-    errorManager.on("error", observer);
+    errorManager.on('error', observer);
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
 
@@ -133,14 +131,14 @@ import errorManager from '@ohos.app.ability.errorManager';
 
 let observer = {
     onUnhandledException(errorMsg) {
-        console.log('onUnhandledException, errorMsg: ', errorMsg)
+        console.log('onUnhandledException, errorMsg: ', errorMsg);
         appRecovery.saveAppState();
     }
 };
 
 try {
-    errorManager.on("error", observer);
+    errorManager.on('error', observer);
 } catch (paramError) {
-    console.log("error: " + paramError.code + ", " + paramError.message);
+    console.log('error: ${paramError.code}, ${paramError.message}');
 }
 ```
diff --git a/en/application-dev/reference/apis/js-apis-app-ability-startOptions.md b/en/application-dev/reference/apis/js-apis-app-ability-startOptions.md
index 3e95fbf541e7ed79834673c2ca97b1398bc73989..54200ed3e7e27043eb2798522a3fd1c991eca5a3 100644
--- a/en/application-dev/reference/apis/js-apis-app-ability-startOptions.md
+++ b/en/application-dev/reference/apis/js-apis-app-ability-startOptions.md
@@ -18,7 +18,37 @@ import StartOptions from '@ohos.app.ability.StartOptions';
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
+**System API**: This is a system API and cannot be called by third-party applications.
+
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| [windowMode](js-apis-application-abilityConstant.md#abilityconstantwindowmode) | number | No| Window mode.|
+| [windowMode](js-apis-app-ability-abilityConstant.md#abilityconstantwindowmode) | number | No| Window mode.|
 | displayId | number | No| Display ID. The default value is **0**, indicating the current display.|
+
+**Example**
+
+  ```ts
+  import missionManager from '@ohos.app.ability.missionManager';
+
+  try {
+    missionManager.getMissionInfos('', 10, (error, missions) => {
+      if (error.code) {
+          console.log('getMissionInfos failed, error.code: ${JSON.stringify(error.code)}, error.message: ${JSON.stringify(error.message)}');
+          return;
+      }
+      console.log('size = ${missions.length}');
+      console.log('missions = ${JSON.stringify(missions)}');
+      let id = missions[0].missionId;
+
+      let startOptions = {
+          windowMode : 101,
+          displayId: 0
+      };
+      missionManager.moveMissionToFront(id, startOptions).then(() => {
+  	    console.log('moveMissionToFront is called ');
+      });
+    });
+  } catch (paramError) {
+    console.log('error: ${paramError.code}, ${paramError.message}');
+  }
+  ```
diff --git a/en/application-dev/reference/apis/js-apis-application-appManager.md b/en/application-dev/reference/apis/js-apis-application-appManager.md
index a31f9c88969155dc1f0fc7717fd2aa6267ac3180..c1da72e6dbe619a208cc72ad7f34256862b21589 100644
--- a/en/application-dev/reference/apis/js-apis-application-appManager.md
+++ b/en/application-dev/reference/apis/js-apis-application-appManager.md
@@ -22,16 +22,16 @@ Checks whether this application is undergoing a stability test. This API uses an
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.|
 
 **Example**
     
   ```ts
   appManager.isRunningInStabilityTest((err, flag) => {
-    console.log('error:' + JSON.stringfy(err));
-    console.log('The result of isRunningInStabilityTest is:' + JSON.stringify(flag));
+    console.log('error: ${JSON.stringify(err)}');
+    console.log('The result of isRunningInStabilityTest is: ${JSON.stringify(flag)}');
   })  
   ```
 
@@ -46,17 +46,17 @@ Checks whether this application is undergoing a stability test. This API uses a
 
 **Return value**
 
-  | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.| 
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return the result. If the application is undergoing a stability test, **true** will be returned; otherwise, **false** will be returned.|
 
 **Example**
     
   ```ts
   appManager.isRunningInStabilityTest().then((flag) => {
-      console.log('The result of isRunningInStabilityTest is:' + JSON.stringify(flag));
+      console.log('The result of isRunningInStabilityTest is: ${JSON.stringify(flag)}');
   }).catch((error) => {
-      console.log('error:' + JSON.stringify(error));
+      console.log('error: ${JSON.stringify(error)}');
   });
   ```
 
@@ -71,17 +71,17 @@ Checks whether this application is running on a RAM constrained device. This API
 
 **Return value**
 
-  | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;boolean&gt; | Promise used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.| 
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;boolean&gt; | Promise used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.|
 
 **Example**
     
   ```ts
   appManager.isRamConstrainedDevice().then((data) => {
-      console.log('The result of isRamConstrainedDevice is:' + JSON.stringify(data));
+      console.log('The result of isRamConstrainedDevice is: ${JSON.stringify(data)}');
   }).catch((error) => {
-      console.log('error:' + JSON.stringify(error));
+      console.log('error: ${JSON.stringify(error)}');
   });
   ```
 
@@ -95,16 +95,16 @@ Checks whether this application is running on a RAM constrained device. This API
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return whether the application is running on a RAM constrained device. If the application is running on a RAM constrained device, **true** will be returned; otherwise, **false** will be returned.|
 
 **Example**
     
   ```ts
   appManager.isRamConstrainedDevice((err, data) => {
-      console.log('error:' + JSON.stringify(err));
-      console.log('The result of isRamConstrainedDevice is:' + JSON.stringify(data));
+      console.log('error: ${JSON.stringify(err)}');
+      console.log('The result of isRamConstrainedDevice is: ${JSON.stringify(data)}');
   })
   ```
 
@@ -118,17 +118,17 @@ Obtains the memory size of this application. This API uses a promise to return t
 
 **Return value**
 
-  | Type| Description| 
-  | -------- | -------- |
-  | Promise&lt;number&gt; | Size of the application memory.| 
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;number&gt; | Promise used to return the memory size, in MB.|
 
 **Example**
     
   ```ts
   appManager.getAppMemorySize().then((data) => {
-      console.log('The size of app memory is:' + JSON.stringify(data));
+      console.log('The size of app memory is: ${JSON.stringify(data)}');
   }).catch((error) => {
-      console.log('error:' + JSON.stringify(error));
+      console.log('error: ${JSON.stringify(error)}');
   });
   ```
 
@@ -142,17 +142,17 @@ Obtains the memory size of this application. This API uses an asynchronous callb
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;number&gt; | Yes| Size of the application memory.| 
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;number&gt; | Yes| Callback used to return the memory size, in MB.|
 
 **Example**
     
   ```ts
   appManager.getAppMemorySize((err, data) => {
-      console.log('error:' + JSON.stringify(err));
-      console.log('The size of app memory is:' + JSON.stringify(data));
-  })
+      console.log('error: ${JSON.stringify(err)}');
+      console.log('The size of app memory is: ${JSON.stringify(data)}');
+  });
   ```
 ## appManager.getProcessRunningInfos<sup>(deprecated)</sup>
 
@@ -160,7 +160,7 @@ getProcessRunningInfos(): Promise\<Array\<ProcessRunningInfo>>;
 
 Obtains information about the running processes. This API uses a promise to return the result.
 
-> This API is deprecated since API version 9. You are advised to use [appManager.getProcessRunningInformation<sup>9+</sup>](#appmanagergetprocessrunninginformation9) instead.
+> This API is deprecated since API version 9. You are advised to use [appManager.getRunningProcessInformation<sup>9+</sup>](js-apis-app-ability-appManager.md#appmanagergetrunningprocessinformation) instead.
 
 **Required permissions**: ohos.permission.GET_RUNNING_INFO
 
@@ -176,9 +176,9 @@ Obtains information about the running processes. This API uses a promise to retu
     
   ```ts
   appManager.getProcessRunningInfos().then((data) => {
-      console.log('The process running infos is:' + JSON.stringify(data));
+      console.log('The process running infos is: ${JSON.stringify(data)}');
   }).catch((error) => {
-      console.log('error:' + JSON.stringify(error));
+      console.log('error: ${JSON.stringify(error)}');
   });
   ```
 
@@ -188,7 +188,7 @@ getProcessRunningInfos(callback: AsyncCallback\<Array\<ProcessRunningInfo>>): vo
 
 Obtains information about the running processes. This API uses an asynchronous callback to return the result.
 
-> This API is deprecated since API version 9. You are advised to use [appManager.getProcessRunningInformation<sup>9+</sup>](#appmanagergetprocessrunninginformation9-1) instead.
+> This API is deprecated since API version 9. You are advised to use [appManager.getRunningProcessInformation<sup>9+</sup>](js-apis-app-ability-appManager.md#appmanagergetrunningprocessinformation9) instead.
 
 **Required permissions**: ohos.permission.GET_RUNNING_INFO
 
@@ -204,62 +204,11 @@ Obtains information about the running processes. This API uses an asynchronous c
     
   ```ts
   appManager.getProcessRunningInfos((err, data) => {
-      console.log('error:' + JSON.stringify(err));
-      console.log('The process running infos is:' + JSON.stringify(data));
-  })
-  ```
-
-## appManager.getProcessRunningInformation<sup>9+</sup>
-
-getProcessRunningInformation(): Promise\<Array\<ProcessRunningInformation>>;
-
-Obtains information about the running processes. This API uses a promise to return the result.
-
-**Required permissions**: ohos.permission.GET_RUNNING_INFO
-
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
-
-**Return value**
-
-| Type| Description|
-| -------- | -------- |
-| Promise\<Array\<[ProcessRunningInformation](js-apis-inner-application-processRunningInformation.md)>> | Obtains information about the running processes. This API uses a promise to return the result.|
-
-**Example**
-    
-  ```ts
-  appManager.getProcessRunningInformation().then((data) => {
-      console.log('The process running info is:' + JSON.stringify(data));
-  }).catch((error) => {
-      console.log('error:' + JSON.stringify(error));
+      console.log('error: ${JSON.stringify(err)}');
+      console.log('The process running infos is: ${JSON.stringify(data)}');
   });
   ```
 
-## appManager.getProcessRunningInformation<sup>9+</sup>
-
-getProcessRunningInformation(callback: AsyncCallback\<Array\<ProcessRunningInformation>>): void;
-
-Obtains information about the running processes. This API uses an asynchronous callback to return the result.
-
-**Required permissions**: ohos.permission.GET_RUNNING_INFO
-
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
-
-**Parameters**
-
-| Name| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| callback | AsyncCallback\<Array\<[ProcessRunningInformation](js-apis-inner-application-processRunningInformation.md)>> | Yes| Obtains information about the running processes. This API uses a promise to return the result.|
-
-**Example**
-    
-  ```ts
-  appManager.getProcessRunningInformation((err, data) => {
-      console.log('error:' + JSON.stringify(err));
-      console.log('The process running info is:' + JSON.stringify(data));
-  })
-  ```
-
 ## appManager.registerApplicationStateObserver<sup>8+</sup>
 
 registerApplicationStateObserver(observer: ApplicationStateObserver): number;
@@ -281,7 +230,7 @@ Registers an observer to listen for the state changes of all applications.
 **Example**
     
   ```ts
-  var applicationStateObserver = {
+  let applicationStateObserver = {
     onForegroundApplicationChanged(appStateData) {
         console.log('------------ onForegroundApplicationChanged -----------', appStateData);
     },
@@ -297,7 +246,7 @@ Registers an observer to listen for the state changes of all applications.
     onProcessStateChanged(processData) {
         console.log('------------ onProcessStateChanged -----------', processData);
     }
-  }
+  };
   const observerCode = appManager.registerApplicationStateObserver(applicationStateObserver);
   console.log('-------- observerCode: ---------', observerCode);
   ```
@@ -324,7 +273,7 @@ Registers an observer to listen for the state changes of a specified application
 **Example**
     
   ```ts
-  var applicationStateObserver = {
+  let applicationStateObserver = {
     onForegroundApplicationChanged(appStateData) {
         console.log('------------ onForegroundApplicationChanged -----------', appStateData);
     },
@@ -340,8 +289,8 @@ Registers an observer to listen for the state changes of a specified application
     onProcessStateChanged(processData) {
         console.log('------------ onProcessStateChanged -----------', processData);
     }
-  }
-  var bundleNameList = ['bundleName1', 'bundleName2'];
+  };
+  let bundleNameList = ['bundleName1', 'bundleName2'];
   const observerCode = appManager.registerApplicationStateObserver(applicationStateObserver, bundleNameList);
   console.log('-------- observerCode: ---------', observerCode);
   ```
@@ -367,7 +316,7 @@ Deregisters the application state observer. This API uses an asynchronous callba
 **Example**
     
   ```ts
-  var observerId = 100;
+  let observerId = 100;
 
   function unregisterApplicationStateObserverCallback(err) {
     if (err) {
@@ -404,7 +353,7 @@ Deregisters the application state observer. This API uses a promise to return th
 **Example**
     
   ```ts
-  var observerId = 100;
+  let observerId = 100;
 
   appManager.unregisterApplicationStateObserver(observerId)
   .then((data) => {
@@ -412,7 +361,7 @@ Deregisters the application state observer. This API uses a promise to return th
   })
   .catch((err) => {
       console.log('----------- unregisterApplicationStateObserver fail ----------', err);
-  })
+  });
   ```
 
 ## appManager.getForegroundApplications<sup>8+</sup>
@@ -440,7 +389,7 @@ Obtains information about the applications that are running in the foreground. T
     if (err) {
         console.log('--------- getForegroundApplicationsCallback fail ---------', err);
     } else {
-        console.log('--------- getForegroundApplicationsCallback success ---------', data)
+        console.log('--------- getForegroundApplicationsCallback success ---------', data);
     }
   }
   appManager.getForegroundApplications(getForegroundApplicationsCallback);
@@ -473,7 +422,7 @@ Obtains information about the applications that are running in the foreground. T
   })
   .catch((err) => {
       console.log('--------- getForegroundApplications fail -------', err);
-  })
+  });
   ```
 
 ## appManager.killProcessWithAccount<sup>8+</sup>
@@ -498,15 +447,15 @@ Kills a process by bundle name and account ID. This API uses a promise to return
 **Example**
 
 ```ts
-var bundleName = 'bundleName';
-var accountId = 0;
+let bundleName = 'bundleName';
+let accountId = 0;
 appManager.killProcessWithAccount(bundleName, accountId)
    .then((data) => {
        console.log('------------ killProcessWithAccount success ------------', data);
    })
    .catch((err) => {
        console.log('------------ killProcessWithAccount fail ------------', err);
-   })
+   });
 ```
 
 
@@ -533,8 +482,8 @@ Kills a process by bundle name and account ID. This API uses an asynchronous cal
 **Example**
 
 ```ts
-var bundleName = 'bundleName';
-var accountId = 0;
+let bundleName = 'bundleName';
+let accountId = 0;
 function killProcessWithAccountCallback(err, data) {
    if (err) {
        console.log('------------- killProcessWithAccountCallback fail, err: --------------', err);
@@ -567,7 +516,7 @@ Kills a process by bundle name. This API uses an asynchronous callback to return
 **Example**
     
   ```ts
-  var bundleName = 'bundleName';
+  let bundleName = 'bundleName';
   function killProcessesByBundleNameCallback(err, data) {
     if (err) {
         console.log('------------- killProcessesByBundleNameCallback fail, err: --------------', err);
@@ -605,14 +554,14 @@ Kills a process by bundle name. This API uses a promise to return the result.
 **Example**
 
   ```ts
-  var bundleName = 'com.example.myapplication';
+  let bundleName = 'com.example.myapplication';
   appManager.killProcessesByBundleName(bundleName)
     .then((data) => {
         console.log('------------ killProcessesByBundleName success ------------', data);
     })
     .catch((err) => {
         console.log('------------ killProcessesByBundleName fail ------------', err);
-    })
+    });
   ```
 
 ## appManager.clearUpApplicationData<sup>8+</sup>
@@ -637,7 +586,7 @@ Clears application data by bundle name. This API uses an asynchronous callback t
 **Example**
     
   ```ts
-  var bundleName = 'bundleName';
+  let bundleName = 'bundleName';
   function clearUpApplicationDataCallback(err, data) {
     if (err) {
         console.log('------------- clearUpApplicationDataCallback fail, err: --------------', err);
@@ -675,40 +624,12 @@ Clears application data by bundle name. This API uses a promise to return the re
 **Example**
     
   ```ts
-  var bundleName = 'bundleName';
+  let bundleName = 'bundleName';
   appManager.clearUpApplicationData(bundleName)
     .then((data) => {
         console.log('------------ clearUpApplicationData success ------------', data);
     })
     .catch((err) => {
         console.log('------------ clearUpApplicationData fail ------------', err);
-    })
+    });
   ```
-
-## ApplicationState<sup>9+</sup>
-
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
-
-**System API**: This is a system API and cannot be called by third-party applications.
-
-| Name                | Value | Description                              |
-| -------------------- | --- | --------------------------------- |
-| STATE_CREATE    | 1   |   State indicating that the application is being created.        |
-| STATE_FOREGROUND          | 2   |      State indicating that the application is running in the foreground.           |
-| STATE_ACTIVE  | 3   |         State indicating that the application is active.    |
-| STATE_BACKGROUND        | 4   |       State indicating that the application is running in the background.          |
-| STATE_DESTROY        | 5   |           State indicating that the application is destroyed.      |
-
-## ProcessState<sup>9+</sup>
-
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
-
-**System API**: This is a system API and cannot be called by third-party applications.
-
-| Name                | Value | Description                              |
-| -------------------- | --- | --------------------------------- |
-| STATE_CREATE    | 1   |      State indicating that the process is being created.      |
-| STATE_FOREGROUND          | 2   |            State indicating that the process is running in the foreground.     |
-| STATE_ACTIVE  | 3   |          State indicating that the process is active.  |
-| STATE_BACKGROUND        | 4   |       State indicating that the process is running in the background.          |
-| STATE_DESTROY        | 5   |         State indicating that the process is destroyed.        |
diff --git a/en/application-dev/reference/apis/js-apis-inner-application-errorObserver.md b/en/application-dev/reference/apis/js-apis-inner-application-errorObserver.md
index 271f2697803dde9d0b3f78c3bb661a03d925b95e..85b9503b48dc15a49c19cd74be00f071e93e3969 100644
--- a/en/application-dev/reference/apis/js-apis-inner-application-errorObserver.md
+++ b/en/application-dev/reference/apis/js-apis-inner-application-errorObserver.md
@@ -19,18 +19,17 @@ Called when an unhandled exception occurs in the JS runtime.
 **Example**
 
 ```ts
-import errorManager from '@ohos.app.ability.errorManager'
+import errorManager from '@ohos.app.ability.errorManager';
 
 let observer = {
-    onUnhandledException(errorMsg) {
-        console.log('HXW onUnhandledException, errorMsg: ', errorMsg);
-    }
-}
+  onUnhandledException(errorMsg) {
+    console.log('onUnhandledException, errorMsg: ', errorMsg);
+  }
+};
 
 try {
-    errorManager.on("error", observer);
+    errorManager.on('error', observer);
 } catch (error) {
-    console.log('registerErrorObserver' + ' failed, error.code: ' + JSON.stringify(error.code) +
-        ' error.message: ' + JSON.stringify(error.message));
+    console.log('registerErrorObserver failed, error.code: ${JSON.stringify(error.code)}, error.message: ${JSON.stringify(error.message)}');
 }
 ```