diff --git a/en/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md b/en/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md
index 3d60dfc1f88f3584029272818a164b864d7b22f7..a384e643961c2a8267ee4f5c91aa22c29011ebbe 100644
--- a/en/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md
+++ b/en/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md
@@ -6,6 +6,12 @@ The **AbilityDelegator** module provides APIs for managing **AbilityMonitor** in
 > 
 > The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
+## Modules to Import
+
+```ts
+import AbilityDelegatorRegistry from '@ohos.app.ability.abilityDelegatorRegistry';
+```
+
 ## Usage
 
 An **AbilityDelegator** object is obtained by calling [getAbilityDelegator](js-apis-app-ability-abilityDelegatorRegistry.md#abilitydelegatorregistrygetabilitydelegator) in **AbilityDelegatorRegistry**.
@@ -30,10 +36,18 @@ Adds an **AbilityMonitor** instance. This API uses an asynchronous callback to r
 | monitor  | [AbilityMonitor](js-apis-inner-application-abilityMonitor.md#AbilityMonitor) | Yes      | [AbilityMonitor](js-apis-inner-application-abilityMonitor.md#AbilityMonitor) instance.|
 | callback | AsyncCallback\<void>                                         | Yes      | Callback used to return the result.                                          |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | AddAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -70,10 +84,18 @@ Adds an **AbilityMonitor** instance. This API uses a promise to return the resul
 | -------------- | ------------------- |
 | Promise\<void> | Promise used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | AddAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -107,10 +129,18 @@ Removes an **AbilityMonitor** instance. This API uses an asynchronous callback t
 | monitor  | [AbilityMonitor](js-apis-inner-application-abilityMonitor.md#AbilityMonitor) | Yes  | [AbilityMonitor](js-apis-inner-application-abilityMonitor.md#AbilityMonitor) instance.|
 | callback | AsyncCallback\<void>                                         | Yes  | Callback used to return the result.                                          |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | RemoveAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -133,7 +163,7 @@ abilityDelegator.removeAbilityMonitor(monitor, (err : any) => {
 
 removeAbilityMonitor(monitor: AbilityMonitor): Promise\<void>;
 
-Removes an **AbilityMonitor** instance. This API uses a promise to return the result.
+删除已经添加的AbilityMonitor实例（promise形式）
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
@@ -149,10 +179,18 @@ Removes an **AbilityMonitor** instance. This API uses a promise to return the re
 | -------------- | ------------------- |
 | Promise\<void> | Promise used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | RemoveAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 - Example
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -186,10 +224,18 @@ Waits for the **Ability** instance that matches the **AbilityMonitor** instance
 | monitor  | [AbilityMonitor](js-apis-inner-application-abilityMonitor.md#AbilityMonitor) | Yes  | [AbilityMonitor](js-apis-inner-application-abilityMonitor.md#AbilityMonitor) instance.|
 | callback | AsyncCallback\<[UIAbility](js-apis-app-ability-uiAbility.md)> | Yes  | Callback used to return the result.                                          |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | WaitAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -222,10 +268,18 @@ Waits a period of time for the **Ability** instance that matches the **AbilityMo
 | timeout  | number                                                       | No  | Maximum waiting time, in milliseconds.                                |
 | callback | AsyncCallback\<[UIAbility](js-apis-app-ability-uiAbility.md)> | Yes  | Callback used to return the result.                                          |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | WaitAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let timeout = 100;
 
 function onAbilityCreateCallback(data) {
@@ -266,10 +320,18 @@ Waits a period of time for the **Ability** instance that matches the **AbilityMo
 | ----------------------------------------------------------- | -------------------------- |
 | Promise\<[UIAbility](js-apis-app-ability-uiAbility.md)> | Promise used to return the **Ability** instance.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | WaitAbilityMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -305,7 +367,7 @@ Obtains the application context.
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
 let context = abilityDelegator.getAppContext();
@@ -336,7 +398,7 @@ Obtains the lifecycle state of an ability.
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -364,10 +426,18 @@ Obtains the top ability of this application. This API uses an asynchronous callb
 | -------- | ------------------------------------------------------------ | ---- | ------------------ |
 | callback | AsyncCallback\<[UIAbility](js-apis-app-ability-uiAbility.md)> | Yes  | Callback used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | GetCurrentTopAbility failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -393,10 +463,18 @@ Obtains the top ability of this application. This API uses a promise to return t
 | ----------------------------------------------------------- | -------------------------------------- |
 | Promise\<[UIAbility](js-apis-app-ability-uiAbility.md)> | Promise used to return the top ability.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | GetCurrentTopAbility failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -423,10 +501,30 @@ Starts an ability. This API uses an asynchronous callback to return the result.
 | want     | [Want](js-apis-application-want.md) | Yes  | **Want** parameter for starting the ability.   |
 | callback | AsyncCallback\<void>                   | Yes  | Callback used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000001 | The specified ability does not exist. |
+| 16000002 | Incorrect ability type. |
+| 16000004 | Can not start invisible component. |
+| 16000005 | The specified process does not have the permission. |
+| 16000006 | Cross-user operations are not allowed. |
+| 16000008 | The crowdtesting application expires. |
+| 16000009 | An ability cannot be started or stopped in Wukong mode. |
+| 16000010 | The call with the continuation flag is forbidden. |
+| 16000011 | The context does not exist. |
+| 16000050 | Internal error. |
+| 16000053 | The ability is not on the top of the UI. |
+| 16000055 | Installation-free timed out. |
+| 16200001 | The caller has been released. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let want = {
     bundleName: 'bundleName',
     abilityName: 'abilityName'
@@ -460,10 +558,30 @@ Starts an ability. This API uses a promise to return the result.
 | -------------- | ------------------- |
 | Promise\<void> | Promise used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000001 | The specified ability does not exist. |
+| 16000002 | Incorrect ability type. |
+| 16000004 | Can not start invisible component. |
+| 16000005 | The specified process does not have the permission. |
+| 16000006 | Cross-user operations are not allowed. |
+| 16000008 | The crowdtesting application expires. |
+| 16000009 | An ability cannot be started or stopped in Wukong mode. |
+| 16000010 | The call with the continuation flag is forbidden. |
+| 16000011 | The context does not exist. |
+| 16000050 | Internal error. |
+| 16000053 | The ability is not on the top of the UI. |
+| 16000055 | Installation-free timed out. |
+| 16200001 | The caller has been released. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let want = {
     bundleName: 'bundleName',
     abilityName: 'abilityName'
@@ -492,10 +610,18 @@ Schedules the lifecycle state of an ability to **Foreground**. This API uses an
 | ability  | UIAbility               | Yes  | Target ability.                                        |
 | callback | AsyncCallback\<void>    | Yes  | Callback used to return the result.<br>\- **true**: The operation is successful.<br>\- **false**: The operation failed.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | DoAbilityForeground failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -530,10 +656,18 @@ Schedules the lifecycle state of an ability to **Foreground**. This API uses a p
 | ----------------- | ------------------------------------------------------------ |
 | Promise\<boolean> | Promise used to return the result.<br>\- **true**: The operation is successful.<br>\- **false**: The operation failed.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | DoAbilityForeground failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -563,10 +697,18 @@ Schedules the lifecycle state of an ability to **Background**. This API uses an
 | ability  | UIAbility                 | Yes  | Target ability.                                        |
 | callback | AsyncCallback\<void> | Yes  | Callback used to return the result.<br>\- **true**: The operation is successful.<br>\- **false**: The operation failed.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | DoAbilityBackground failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -601,10 +743,18 @@ Schedules the lifecycle state of an ability to **Background**. This API uses a p
 | ----------------- | ------------------------------------------------------------ |
 | Promise\<boolean> | Promise used to return the result.<br>\- **true**: The operation is successful.<br>\- **false**: The operation failed.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | DoAbilityBackground failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let ability;
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -636,7 +786,7 @@ Prints log information to the unit test console.
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let msg = 'msg';
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -663,7 +813,7 @@ Prints log information to the unit test console. This API uses an asynchronous c
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let msg = 'msg';
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -697,7 +847,7 @@ Prints log information to the unit test console. This API uses a promise to retu
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let msg = 'msg';
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -726,7 +876,7 @@ Executes a shell command. This API uses an asynchronous callback to return the r
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let cmd = 'cmd';
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -756,7 +906,7 @@ Executes a shell command with the timeout period specified. This API uses an asy
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let cmd = 'cmd';
 let timeout = 100;
 
@@ -792,7 +942,7 @@ Executes a shell command with the timeout period specified. This API uses a prom
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let cmd = 'cmd';
 let timeout = 100;
 
@@ -820,10 +970,18 @@ Finishes the test and prints log information to the unit test console. This API
 | code     | number               | Yes  | Log code.            |
 | callback | AsyncCallback\<void> | Yes  | Callback used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | FinishTest failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let msg = 'msg';
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -855,10 +1013,18 @@ Finishes the test and prints log information to the unit test console. This API
 | -------------- | ------------------- |
 | Promise\<void> | Promise used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | FinishTest failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let msg = 'msg';
 
 abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
@@ -882,10 +1048,18 @@ Adds an **AbilityStageMonitor** instance to monitor the lifecycle state changes
 | monitor  | [AbilityStageMonitor](js-apis-inner-application-abilityStageMonitor.md) | Yes      | [AbilityStageMonitor](js-apis-inner-application-abilityStageMonitor.md) instance.|
 | callback | AsyncCallback\<void>                                         | Yes      | Callback used to return the result.                                          |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | AddAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 let monitor = {
     moduleName: 'moduleName',
@@ -920,10 +1094,18 @@ Adds an **AbilityStageMonitor** instance to monitor the lifecycle state changes
 | -------------- | ------------------- |
 | Promise\<void> | Promise used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | AddAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 let monitor = {
     moduleName: 'moduleName',
@@ -951,10 +1133,18 @@ Removes an **AbilityStageMonitor** instance from the application memory. This AP
 | monitor  | [AbilityStageMonitor](js-apis-inner-application-abilityStageMonitor.md) | Yes      | [AbilityStageMonitor](js-apis-inner-application-abilityStageMonitor.md) instance.|
 | callback | AsyncCallback\<void>                                         | Yes      | Callback used to return the result.                                          |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | RemoveAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 let monitor = {
     moduleName: 'moduleName',
@@ -989,10 +1179,18 @@ Removes an **AbilityStageMonitor** object from the application memory. This API
 | -------------- | ------------------- |
 | Promise\<void> | Promise used to return the result.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | RemoveAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 let monitor = {
     moduleName: 'moduleName',
@@ -1020,10 +1218,18 @@ Waits for an **AbilityStage** instance that matches the conditions set in an **A
 | monitor  | [AbilityStageMonitor](js-apis-inner-application-abilityStageMonitor.md) | Yes      | [AbilityStageMonitor](js-apis-inner-application-abilityStageMonitor.md) instance.|
 | callback | AsyncCallback\<AbilityStage>                                         | Yes      | Callback used to return the result. If the operation is successful, an **AbilityStage** instance is returned. Otherwise, no value is returned.            |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | WaitAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -1061,10 +1267,18 @@ Waits for an **AbilityStage** instance that matches the conditions set in an **A
 | -------------- | ------------------- |
 | Promise\<AbilityStage> | Promise used to return the result. If the operation is successful, an **AbilityStage** instance is returned. Otherwise, no value is returned.|
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | WaitAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 
 function onAbilityCreateCallback(data) {
     console.info('onAbilityCreateCallback');
@@ -1097,10 +1311,18 @@ Waits a period of time for an **AbilityStage** instance that matches the conditi
 | timeout | number | No  | Maximum waiting time, in milliseconds.|
 | callback | AsyncCallback\<AbilityStage>                                         | Yes      | Callback used to return the result. If the operation is successful, an **AbilityStage** instance is returned. Otherwise, no value is returned.                    |
 
+**Error codes**
+
+| ID| Error Message|
+| ------- | -------- |
+| 16000100 | WaitAbilityStageMonitor failed. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
-let abilityDelegator;
+let abilityDelegator: AbilityDelegatorRegistry.AbilityDelegator;
 let timeout = 100;
 
 function onAbilityCreateCallback(data) {