diff --git a/api/@ohos.app.ability.errorManager.d.ts b/api/@ohos.app.ability.errorManager.d.ts
index fba090a7e06bb25f021f27cff4725fb44f962f88..0cfab9798a447fde33daaec2ed61230422ae6db6 100644
--- a/api/@ohos.app.ability.errorManager.d.ts
+++ b/api/@ohos.app.ability.errorManager.d.ts
@@ -37,16 +37,6 @@ import { LoopObserver as _LoopObserver } from './application/LoopObserver';
  * @atomicservice
  * @since 11
  */
-/**
- * This module provides the function of error manager.
- *
- * @namespace errorManager
- * @syscap SystemCapability.Ability.AbilityRuntime.Core
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'19', '1.2':'20'}
- * @arkts 1.1&1.2
- */
 declare namespace errorManager {
   /**
    * Register error observer.
@@ -56,7 +46,7 @@ declare namespace errorManager {
    * @returns { number } Returns the number code of the observer.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
    * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16000003 - The specified ID does not exist.
+   * @throws { BusinessError } 16000003 - Id does not exist.
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @since 9
    */
@@ -73,21 +63,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 11
    */
-  /**
-   * Register error observer.
-   *
-   * @param { 'error' } type - error.
-   * @param { ErrorObserver } observer - The error observer.
-   * @returns { number } Returns the number code of the observer.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16000003 - The specified ID does not exist.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function on(type: 'error', observer: ErrorObserver): number;
 
   /**
@@ -98,7 +73,7 @@ declare namespace errorManager {
    * @param { AsyncCallback<void> } callback - The callback of off.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
    * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16000003 - The specified ID does not exist.
+   * @throws { BusinessError } 16000003 - Id does not exist.
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @since 9
    */
@@ -115,21 +90,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 11
    */
-  /**
-   * Unregister error observer.
-   *
-   * @param { 'error' } type - error.
-   * @param { number } observerId - Indicates the number code of the observer.
-   * @param { AsyncCallback<void> } callback - The callback of off.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16000003 - The specified ID does not exist.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function off(type: 'error', observerId: number, callback: AsyncCallback<void>): void;
 
   /**
@@ -140,7 +100,7 @@ declare namespace errorManager {
    * @returns { Promise<void> } The promise returned by the function.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
    * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16000003 - The specified ID does not exist.
+   * @throws { BusinessError } 16000003 - Id does not exist.
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @since 9
    */
@@ -157,21 +117,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 11
    */
-  /**
-   * Unregister error observer.
-   *
-   * @param { 'error' } type - error.
-   * @param { number } observerId - Indicates the number code of the observer.
-   * @returns { Promise<void> } The promise returned by the function.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16000003 - The specified ID does not exist.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function off(type: 'error', observerId: number): Promise<void>;
 
   /**
@@ -327,22 +272,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 12
    */
-  /**
-   * Register loop observer. This function can only by called from main thread,
-   * and if call this function multiple times, the last
-   * modification will overwrite the previous one.
-   * 
-   * @param { 'loopObserver' } type - loopObserver.
-   * @param { number } timeout - Indicates timeout(ms) value of loop observer.
-   * @param { LoopObserver } observer - The loop observer.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function on(type: 'loopObserver', timeout: number, observer: LoopObserver): void;
 
   /**
@@ -356,19 +285,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 12
    */
-  /**
-   * Unregister loop observer. This function can only by called from main thread.
-   *
-   * @param { 'loopObserver' } type - loopObserver.
-   * @param { LoopObserver } observer - The loop observer.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function off(type: 'loopObserver', observer?: LoopObserver): void;
 
   /**
@@ -378,25 +294,11 @@ declare namespace errorManager {
    * @param { UnhandledRejectionObserver } observer - The unhandled rejection observer.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
    * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16200001 - The caller has been released.
+   * @throws { BusinessError } 16200001 - If the caller is invalid.
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @atomicservice
    * @since 12
    */
-  /**
-   * Register unhandled rejection observer.
-   *
-   * @param { 'unhandledRejection' } type - 'unhandledRejection'.
-   * @param { UnhandledRejectionObserver } observer - The unhandled rejection observer.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16200001 - The caller has been released.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function on(type: 'unhandledRejection', observer: UnhandledRejectionObserver): void;
 
   /**
@@ -406,27 +308,12 @@ declare namespace errorManager {
    * @param { UnhandledRejectionObserver } [observer]  - the registered observer
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
    * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16200001 - The caller has been released.
+   * @throws { BusinessError } 16200001 - If the caller is invalid.
    * @throws { BusinessError } 16300004 - If the observer does not exist
    * @syscap SystemCapability.Ability.AbilityRuntime.Core
    * @atomicservice
    * @since 12
    */
-  /**
-   * Unregister unhandled rejection observer.
-   *
-   * @param { 'unhandledRejection' } type - error.
-   * @param { UnhandledRejectionObserver } [observer]  - the registered observer
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-   * 2. Incorrect parameter types; 3. Parameter verification failed.
-   * @throws { BusinessError } 16200001 - The caller has been released.
-   * @throws { BusinessError } 16300004 - If the observer does not exist
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   function off(type: 'unhandledRejection', observer?: UnhandledRejectionObserver): void;
 
   /**
@@ -474,16 +361,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 11
    */
-  /**
-   * The observer will be called by system when an error occurs.
-   *
-   * @typedef { _ErrorObserver.default }
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   export type ErrorObserver = _ErrorObserver.default;
   /**
    * The observer will be called when application main thread execute timeout.
@@ -493,16 +370,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 12
    */
-  /**
-   * The observer will be called when application main thread execute timeout.
-   *
-   * @typedef { _LoopObserver }
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   export type LoopObserver = _LoopObserver;
   /**
    * The observer will be called by system when an unhandled rejection occurs.
@@ -514,18 +381,6 @@ declare namespace errorManager {
    * @atomicservice
    * @since 12
    */
-  /**
-   * The observer will be called by system when an unhandled rejection occurs.
-   *
-   * @typedef { function }
-   * { Error | any } reason - the reason of the rejection, typically of Error type
-   * { Promise<any> } promise - the promise that is rejected
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   export type UnhandledRejectionObserver = (reason: Error | any, promise: Promise<any>) => void;
   /**
    * The observer will be called by system when freeze happens.
diff --git a/api/application/ErrorObserver.d.ts b/api/application/ErrorObserver.d.ts
index 24ee69262ee36f82f542b39fca94b671d1a1905d..acc0b8c036110c9b1532ea343d405c07651640d9 100644
--- a/api/application/ErrorObserver.d.ts
+++ b/api/application/ErrorObserver.d.ts
@@ -31,15 +31,6 @@
  * @atomicservice
  * @since 11
  */
-/**
- * The observer will be called by system when an error occurs.
- *
- * @syscap SystemCapability.Ability.AbilityRuntime.Core
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'19', '1.2':'20'}
- * @arkts 1.1&1.2
- */
 export default class ErrorObserver {
   /**
    * Will be called when the js runtime throws an exception which doesn't caught by user.
@@ -56,16 +47,6 @@ export default class ErrorObserver {
    * @atomicservice
    * @since 11
    */
-  /**
-   * Will be called when the js runtime throws an exception which doesn't caught by user.
-   *
-   * @param { string } errMsg - the message and error stacktrace about the exception.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   onUnhandledException(errMsg: string): void;
 
   /**
@@ -83,15 +64,5 @@ export default class ErrorObserver {
    * @atomicservice
    * @since 11
    */
-  /**
-   * Will be called when the js runtime throws an exception which doesn't caught by user.
-   *
-   * @param { Error } errObject - the error object about the exception.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   onException?(errObject: Error): void;
 }
diff --git a/api/application/LoopObserver.d.ts b/api/application/LoopObserver.d.ts
index 9e31616201f907c2df6f3dd457e3898baaf5058f..24f582f9d1a7cecf81c92f38f31899e26cbe6c41 100644
--- a/api/application/LoopObserver.d.ts
+++ b/api/application/LoopObserver.d.ts
@@ -26,16 +26,6 @@
  * @atomicservice
  * @since 12
  */
-/**
- * The observer will be called by system when application main thread loop
- * execute timeout
- * @interface LoopObserver
- * @syscap SystemCapability.Ability.AbilityRuntime.Core
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'19', '1.2':'20'}
- * @arkts 1.1&1.2
- */
 export interface LoopObserver {
   /**
    * Will be called when the application main thread loop execute timeout.
@@ -45,15 +35,5 @@ export interface LoopObserver {
    * @atomicservice
    * @since 12
    */
-  /**
-   * Will be called when the application main thread loop execute timeout.
-   *
-   * @param { number } timeout - the actual executing time of loop event.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'19', '1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   onLoopTimeOut?(timeout: number): void;
 }