diff --git a/api/@ohos.accessibility.config.d.ts b/api/@ohos.accessibility.config.d.ts
index 45a5ff46c8b557a681328a61e60985ee8ad9ee31..09fea52272c8fda2ba773a0c2301a25d3ea0f5b4 100644
--- a/api/@ohos.accessibility.config.d.ts
+++ b/api/@ohos.accessibility.config.d.ts
@@ -397,11 +397,26 @@ declare namespace config {
      *     3. Parameter verification failed.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since arkts {'1.1':'9', '1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     set(value: T): Promise<void>;
 
+    /**
+     * Setting configuration value.
+     *
+     * @permission ohos.permission.WRITE_ACCESSIBILITY_CONFIG
+     * @param { T } value Indicates the value.
+     * @returns { Promise<void> }
+     * @throws { BusinessError } 201 - Permission verification failed.
+     *     The application does not have the permission required to call the API.
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @syscap SystemCapability.BarrierFree.Accessibility.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    setReturnsPromise(value: T): Promise<void>;
+
     /**
      * Setting configuration value.
      *
@@ -417,11 +432,31 @@ declare namespace config {
      *     3. Parameter verification failed.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since arkts {'1.1':'9', '1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     set(value: T, callback: AsyncCallback<void>): void;
 
+    /**
+     * Setting configuration value.
+     *
+     * @permission ohos.permission.WRITE_ACCESSIBILITY_CONFIG
+     * @param { T } value Indicates the value.
+     * @param { AsyncCallback<void> } callback
+     * @throws { BusinessError } 201 - Permission verification failed.
+     *     The application does not have the permission required to call the API.
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @syscap SystemCapability.BarrierFree.Accessibility.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    setWithCallback(value: T, callback: AsyncCallback<void>): void;
+
+    /**
+     * @arkts 1.2
+     */
+    overload set { setReturnsPromise, setWithCallback };
+
     /**
      * Getting configuration value.
      *
@@ -431,11 +466,22 @@ declare namespace config {
      * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since arkts {'1.1':'9', '1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(): Promise<T>;
 
+    /**
+     * Getting configuration value.
+     *
+     * @returns { Promise<T> }
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @syscap SystemCapability.BarrierFree.Accessibility.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    getReturnsPromise(): Promise<T>;
+
     /**
      * Getting configuration value.
      *
@@ -443,11 +489,27 @@ declare namespace config {
      * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since arkts {'1.1':'9', '1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(callback: AsyncCallback<T>): void;
 
+    /**
+     * Getting configuration value.
+     *
+     * @param { AsyncCallback<T> } callback
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @syscap SystemCapability.BarrierFree.Accessibility.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    getWithCallback(callback: AsyncCallback<T>): void;
+
+    /**
+     * @arkts 1.2
+     */
+    overload get { getReturnsPromise, getWithCallback };
+
     /**
      * Register the listener to listen for configuration changes.
      *
diff --git a/api/@ohos.accessibility.d.ts b/api/@ohos.accessibility.d.ts
index d85f0d6573772c9b63754f9e64162b1377c0d47f..0f04d961ab1d4bb58decd1c3194d1e161dc7be29 100644
--- a/api/@ohos.accessibility.d.ts
+++ b/api/@ohos.accessibility.d.ts
@@ -1235,11 +1235,21 @@ declare namespace accessibility {
    *     2. Incorrect parameter types;
    *     3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since arkts {'1.1':'9', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function sendAccessibilityEvent(event: EventInfo, callback: AsyncCallback<void>): void;
 
+  /**
+   * Send accessibility event.
+   *
+   * @param { EventInfo } event The object of the accessibility {@code EventInfo} .
+   * @param { AsyncCallback<void> } callback Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function sendAccessibilityEventWithCallback(event: EventInfo, callback: AsyncCallback<void>): void;
+
   /**
    * Send accessibility event.
    *
@@ -1250,11 +1260,26 @@ declare namespace accessibility {
    *     2. Incorrect parameter types;
    *     3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since arkts {'1.1':'9', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function sendAccessibilityEvent(event: EventInfo): Promise<void>;
 
+  /**
+   * Send accessibility event.
+   *
+   * @param { EventInfo } event The object of the accessibility {@code EventInfo} .
+   * @returns { Promise<void> } Returns {@code true} if success ; returns {@code false} otherwise.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function sendAccessibilityEventReturnsPromise(event: EventInfo): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload sendAccessibilityEvent { sendAccessibilityEventWithCallback, sendAccessibilityEventReturnsPromise };
+
   /**
    * Gets touch mode type.
    * @returns { string } Returns touch mode type, include 'singleTouchMode', 'doubleTouchMode', and 'none'.
@@ -1287,10 +1312,21 @@ declare namespace accessibility {
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
    * @crossplatform
    * @since 20
-   * @arkts 1.1&1.2
    */
   function on(type: 'accessibilityStateChange', callback: Callback<boolean>): void;
 
+  /**
+   * Register the observe of the accessibility state changed.
+   *
+   * @param { 'accessibilityStateChange' } type state event type.
+   * @param { Callback<boolean> } callback Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @crossplatform
+   * @since 20
+   * @arkts 1.2
+   */
+  function onAccessibilityStateChange(type: 'accessibilityStateChange', callback: Callback<boolean>): void;
+
   /**
    * Register the observe of the touchGuide state changed.
    *
@@ -1301,11 +1337,21 @@ declare namespace accessibility {
    *     2. Incorrect parameter types;
    *     3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Vision
-   * @since arkts {'1.1':'7', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function on(type: 'touchGuideStateChange', callback: Callback<boolean>): void;
 
+  /**
+   * Register the observe of the touchGuide state changed.
+   *
+   * @param { 'touchGuideStateChange' } type state event type.
+   * @param { Callback<boolean> } callback Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Vision
+   * @since 20
+   * @arkts 1.2
+   */
+  function onTouchGuideStateChange(type: 'touchGuideStateChange', callback: Callback<boolean>): void;
+
   /**
    * Register the observe of the screen reader state changed.
    * @param { 'screenReaderStateChange' } type state event type.
@@ -1315,11 +1361,25 @@ declare namespace accessibility {
    * 2. Incorrect parameter types;
    * 3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since arkts {'1.1':'18', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 18
    */
   function on(type: 'screenReaderStateChange', callback: Callback<boolean>): void;
 
+  /**
+   * Register the observe of the screen reader state changed.
+   * @param { 'screenReaderStateChange' } type state event type.
+   * @param { Callback<boolean> } callback callback Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function onScreenReaderStateChange(type: 'screenReaderStateChange', callback: Callback<boolean>): void;
+
+  /**
+   * @arkts 1.2
+   */
+  overload on { onAccessibilityStateChange, onTouchGuideStateChange, onScreenReaderStateChange };
+
   /**
    * Register the observe of the touch mode changed.
    * @param { 'touchModeChange' } type touch mode change.
@@ -1357,10 +1417,21 @@ declare namespace accessibility {
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
    * @crossplatform
    * @since 20
-   * @arkts 1.1&1.2
    */
   function off(type: 'accessibilityStateChange', callback?: Callback<boolean>): void;
 
+  /**
+   * Unregister the observe of the accessibility state changed.
+   *
+   * @param { 'accessibilityStateChange' } type state event type
+   * @param { Callback<boolean> } [callback] Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @crossplatform
+   * @since 20
+   * @arkts 1.2
+   */
+  function offAccessibilityStateChange(type: 'accessibilityStateChange', callback?: Callback<boolean>): void;
+
   /**
    * Unregister the observe of the touchGuide state changed.
    *
@@ -1371,11 +1442,21 @@ declare namespace accessibility {
    *     2. Incorrect parameter types;
    *     3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since arkts {'1.1':'7', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function off(type: 'touchGuideStateChange', callback?: Callback<boolean>): void;
 
+  /**
+   * Unregister the observe of the touchGuide state changed.
+   *
+   * @param { 'touchGuideStateChange' } type state event type
+   * @param { Callback<boolean> } [callback] Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function offTouchGuideStateChange(type: 'touchGuideStateChange', callback?: Callback<boolean>): void;
+
   /**
    * Unregister the observe of the screen reader state changed.
    * @param { 'screenReaderStateChange' } type state event type
@@ -1385,11 +1466,25 @@ declare namespace accessibility {
    * 2. Incorrect parameter types;
    * 3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since arkts {'1.1':'18', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 18
    */
   function off(type: 'screenReaderStateChange', callback?: Callback<boolean>): void;
 
+  /**
+   * Unregister the observe of the screen reader state changed.
+   * @param { 'screenReaderStateChange' } type state event type
+   * @param { Callback<boolean> } [callback] callback Asynchronous callback interface.
+   * @syscap SystemCapability.BarrierFree.Accessibility.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function offScreenReaderStateChange(type: 'screenReaderStateChange', callback?: Callback<boolean>): void;
+
+  /**
+   * @arkts 1.2
+   */
+  overload off { offAccessibilityStateChange, offTouchGuideStateChange, offScreenReaderStateChange };
+
   /**
    * Unregister the observe of the touch mode changed.
    * @param { 'touchModeChange' } type touch mode change.