diff --git a/api/@ohos.accessibility.config.d.ts b/api/@ohos.accessibility.config.d.ts
index 1bd8be5a5ddd0f7764c2c77cc7347f29b34a1435..45a5ff46c8b557a681328a61e60985ee8ad9ee31 100644
--- a/api/@ohos.accessibility.config.d.ts
+++ b/api/@ohos.accessibility.config.d.ts
@@ -27,7 +27,8 @@ import type { AsyncCallback, Callback } from './@ohos.base';
  * @namespace config
  * @syscap SystemCapability.BarrierFree.Accessibility.Core
  * @systemapi
- * @since 9
+ * @since arkts {'1.1':'9', '1.2':'20'}
+ * @arkts 1.1&1.2
  */
 declare namespace config {
   /**
@@ -57,11 +58,13 @@ declare namespace config {
   /**
    * Indicates the configuration of high-contrast text.
    *
+   * @type { Config<boolean> }
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
    * @systemapi
-   * @since 9
+   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
-  var highContrastText: Config<boolean>;
+  let highContrastText: Config<boolean>;
   /**
    * Indicates the configuration of invert color.
    *
@@ -375,7 +378,8 @@ declare namespace config {
    * @typedef Config<T>
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
    * @systemapi
-   * @since 9
+   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   interface Config<T> {
     /**
@@ -393,7 +397,8 @@ declare namespace config {
      *     3. Parameter verification failed.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since 9
+     * @since arkts {'1.1':'9', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     set(value: T): Promise<void>;
 
@@ -412,7 +417,8 @@ declare namespace config {
      *     3. Parameter verification failed.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since 9
+     * @since arkts {'1.1':'9', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     set(value: T, callback: AsyncCallback<void>): void;
 
@@ -425,7 +431,8 @@ declare namespace config {
      * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since 9
+     * @since arkts {'1.1':'9', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get(): Promise<T>;
 
@@ -436,7 +443,8 @@ declare namespace config {
      * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
      * @syscap SystemCapability.BarrierFree.Accessibility.Core
      * @systemapi
-     * @since 9
+     * @since arkts {'1.1':'9', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get(callback: AsyncCallback<T>): void;
 
diff --git a/api/@ohos.accessibility.d.ts b/api/@ohos.accessibility.d.ts
index e818965817b56fe0eead3133806d1e780340c262..3cf30e986f398cbce680c2db6abd66a29b02ae95 100644
--- a/api/@ohos.accessibility.d.ts
+++ b/api/@ohos.accessibility.d.ts
@@ -1316,7 +1316,8 @@ declare namespace accessibility {
    * 2. Incorrect parameter types;
    * 3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since 18
+   * @since arkts {'1.1':'18', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   function on(type: 'screenReaderStateChange', callback: Callback<boolean>): void;
 
@@ -1385,7 +1386,8 @@ declare namespace accessibility {
    * 2. Incorrect parameter types;
    * 3. Parameter verification failed.
    * @syscap SystemCapability.BarrierFree.Accessibility.Core
-   * @since 18
+   * @since arkts {'1.1':'18', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   function off(type: 'screenReaderStateChange', callback?: Callback<boolean>): void;