diff --git a/api/@ohos.resourceManager.d.ts b/api/@ohos.resourceManager.d.ts
index f6657872849b9ac673a517826c86c8f52f1e3a44..e59ca05109612a5b20e4ebe049fc89339c56ac7b 100644
--- a/api/@ohos.resourceManager.d.ts
+++ b/api/@ohos.resourceManager.d.ts
@@ -23,6 +23,10 @@ import { Resource as _Resource } from './global/resource';
 import { AsyncCallback as _AsyncCallback } from './@ohos.base';
 import { DrawableDescriptor } from './@ohos.arkui.drawableDescriptor';
 
+/*** if arkts 1.2 */
+import { Resource as _Resource } from './global/resource';
+/*** endif */
+
 /**
  * Provides resource related APIs.
  *
@@ -45,7 +49,8 @@ import { DrawableDescriptor } from './@ohos.arkui.drawableDescriptor';
  * @syscap SystemCapability.Global.ResourceManager
  * @crossplatform
  * @atomicservice
- * @since 11
+ * @since arkts {'1.1':'11', '1.2':'20'}
+ * @arkts 1.1&1.2
  */
 declare namespace resourceManager {
   /**
@@ -831,7 +836,8 @@ declare namespace resourceManager {
    * @syscap SystemCapability.Global.ResourceManager
    * @crossplatform
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   export function getSystemResourceManager(): ResourceManager;
 
@@ -857,7 +863,8 @@ declare namespace resourceManager {
    * @syscap SystemCapability.Global.ResourceManager
    * @crossplatform
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   export interface ResourceManager {
     /**
@@ -924,7 +931,8 @@ declare namespace resourceManager {
      * @stagemodelonly
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getStringValue(resource: Resource, callback: _AsyncCallback<string>): void;
 
@@ -968,7 +976,8 @@ declare namespace resourceManager {
      * @stagemodelonly
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getStringValue(resource: Resource): Promise<string>;
 
@@ -2339,7 +2348,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getStringSync(resId: number): string;
 
@@ -2416,7 +2426,8 @@ declare namespace resourceManager {
      * @stagemodelonly
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getStringSync(resource: Resource): string;
 
@@ -2692,7 +2703,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getNumber(resId: number): number;
 
@@ -2736,7 +2748,8 @@ declare namespace resourceManager {
      * @stagemodelonly
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getNumber(resource: Resource): number;
 
@@ -2842,7 +2855,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getStringValue(resId: number, callback: _AsyncCallback<string>): void;
 
@@ -2883,7 +2897,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getStringValue(resId: number): Promise<string>;
 
@@ -3093,6 +3108,27 @@ declare namespace resourceManager {
      */
     getIntPluralStringValueSync(resId: number, num: number, ...args: Array<string | number>): string;
 
+    /**
+     * Obtains the singular-plural character string represented by the ID string corresponding to
+     * the specified number.
+     *
+     * @param { number } resId - Indicates the resource ID.
+     * @param { number } num - An integer used to get the correct string for the current plural rules.
+     * @param { (string | number)[] } args - Indicates the formatting string resource parameters.
+     * @returns { string } The singular-plural character string represented by the ID string
+     *         corresponding to the specified number.
+     * @throws { BusinessError } 9001001 - Invalid resource ID.
+     * @throws { BusinessError } 9001002 - No matching resource is found based on the resource ID.
+     * @throws { BusinessError } 9001006 - The resource is referenced cyclically.
+     * @throws { BusinessError } 9001007 - Failed to format the resource obtained based on the resource ID.
+     * @syscap SystemCapability.Global.ResourceManager
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    getIntPluralStringValueSync(resId: number, num: number, ...args: (string | number)[]): string;
+
     /**
      * Obtains the singular-plural character string represented by the resource object string corresponding to the
      * specified number.
@@ -3114,6 +3150,28 @@ declare namespace resourceManager {
      */
     getIntPluralStringValueSync(resource: Resource, num: number, ...args: Array<string | number>): string;
 
+    /**
+     * Obtains the singular-plural character string represented by the resource object string corresponding to the
+     * specified number.
+     *
+     * @param { Resource } resource - Indicates the resource object.
+     * @param { number } num - An integer used to get the correct string for the current plural rules.
+     * @param { (string | number)[] } args - Indicates the formatting string resource parameters.
+     * @returns { string } The singular-plural character string represented by the ID string
+     *         corresponding to the specified number.
+     * @throws { BusinessError } 9001001 - Invalid resource ID.
+     * @throws { BusinessError } 9001002 - No matching resource is found based on the resource ID.
+     * @throws { BusinessError } 9001006 - The resource is referenced cyclically.
+     * @throws { BusinessError } 9001007 - Failed to format the resource obtained based on the resource ID.
+     * @syscap SystemCapability.Global.ResourceManager
+     * @stagemodelonly
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    getIntPluralStringValueSync(resource: Resource, num: number, ...args: (string | number)[]): string;
+
     /**
      * Obtains the singular-plural character string represented by the name string corresponding to
      * the specified number.
@@ -3134,6 +3192,27 @@ declare namespace resourceManager {
      */
     getIntPluralStringByNameSync(resName: string, num: number, ...args: Array<string | number>): string;
 
+    /**
+     * Obtains the singular-plural character string represented by the name string corresponding to
+     * the specified number.
+     *
+     * @param { string } resName - Indicates the resource name.
+     * @param { number } num - An integer used to get the correct string for the current plural rules.
+     * @param { (string | number)[] } args - Indicates the formatting string resource parameters.
+     * @returns { string } The singular-plural character string represented by the name string
+     *         corresponding to the specified number.
+     * @throws { BusinessError } 9001003 - Invalid resource name.
+     * @throws { BusinessError } 9001004 - No matching resource is found based on the resource name.
+     * @throws { BusinessError } 9001006 - The resource is referenced cyclically.
+     * @throws { BusinessError } 9001008 - Failed to format the resource obtained based on the resource name.
+     * @syscap SystemCapability.Global.ResourceManager
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    getIntPluralStringByNameSync(resName: string, num: number, ...args: (string | number)[]): string;
+
     /**
      * Obtains the singular-plural character string represented by the ID string corresponding to
      * the specified number.
@@ -3154,6 +3233,27 @@ declare namespace resourceManager {
      */
     getDoublePluralStringValueSync(resId: number, num: number, ...args: Array<string | number>): string;
 
+    /**
+     * Obtains the singular-plural character string represented by the ID string corresponding to
+     * the specified number.
+     *
+     * @param { number } resId - Indicates the resource ID.
+     * @param { number } num - A double parameter used to get the correct string for the current plural rules.
+     * @param { (string | number)[] } args - Indicates the formatting string resource parameters.
+     * @returns { string } The singular-plural character string represented by the ID string
+     *         corresponding to the specified number.
+     * @throws { BusinessError } 9001001 - Invalid resource ID.
+     * @throws { BusinessError } 9001002 - No matching resource is found based on the resource ID.
+     * @throws { BusinessError } 9001006 - The resource is referenced cyclically.
+     * @throws { BusinessError } 9001007 - Failed to format the resource obtained based on the resource ID.
+     * @syscap SystemCapability.Global.ResourceManager
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    getDoublePluralStringValueSync(resId: number, num: number, ...args: (string | number)[]): string;
+
     /**
      * Obtains the singular-plural character string represented by the resource object string corresponding to the
      * specified number.
@@ -3175,6 +3275,28 @@ declare namespace resourceManager {
      */
     getDoublePluralStringValueSync(resource: Resource, num: number, ...args: Array<string | number>): string;
 
+    /**
+     * Obtains the singular-plural character string represented by the resource object string corresponding to the
+     * specified number.
+     *
+     * @param { Resource } resource - Indicates the resource object.
+     * @param { number } num - A double parameter used to get the correct string for the current plural rules.
+     * @param { (string | number)[] } args - Indicates the formatting string resource parameters.
+     * @returns { string } The singular-plural character string represented by the ID string
+     *         corresponding to the specified number.
+     * @throws { BusinessError } 9001001 - Invalid resource ID.
+     * @throws { BusinessError } 9001002 - No matching resource is found based on the resource ID.
+     * @throws { BusinessError } 9001006 - The resource is referenced cyclically.
+     * @throws { BusinessError } 9001007 - Failed to format the resource obtained based on the resource ID.
+     * @syscap SystemCapability.Global.ResourceManager
+     * @stagemodelonly
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    getDoublePluralStringValueSync(resource: Resource, num: number, ...args: (string | number)[]): string;
+
     /**
      * Obtains the singular-plural character string represented by the name string corresponding to
      * the specified number.
@@ -3195,6 +3317,27 @@ declare namespace resourceManager {
      */
     getDoublePluralStringByNameSync(resName: string, num: number, ...args: Array<string | number>): string;
 
+    /**
+     * Obtains the singular-plural character string represented by the name string corresponding to
+     * the specified number.
+     *
+     * @param { string } resName - Indicates the resource name.
+     * @param { number } num - A double parameter used to get the correct string for the current plural rules.
+     * @param { (string | number)[] } args - Indicates the formatting string resource parameters.
+     * @returns { string } The singular-plural character string represented by the name string
+     *         corresponding to the specified number.
+     * @throws { BusinessError } 9001003 - Invalid resource name.
+     * @throws { BusinessError } 9001004 - No matching resource is found based on the resource name.
+     * @throws { BusinessError } 9001006 - The resource is referenced cyclically.
+     * @throws { BusinessError } 9001008 - Failed to format the resource obtained based on the resource name.
+     * @syscap SystemCapability.Global.ResourceManager
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    getDoublePluralStringByNameSync(resName: string, num: number, ...args: (string | number)[]): string;
+
     /**
      * Obtains the content of the media file corresponding to a specified resource ID in callback mode.
      *
@@ -3505,7 +3648,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getRawFileContent(path: string, callback: _AsyncCallback<Uint8Array>): void;
 
@@ -3540,7 +3684,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getRawFileContent(path: string): Promise<Uint8Array>;
 
@@ -4081,7 +4226,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getColorSync(resId: number) : number;
 
@@ -4111,7 +4257,8 @@ declare namespace resourceManager {
      * @stagemodelonly
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getColorSync(resource: Resource) : number;
 
@@ -4277,7 +4424,8 @@ declare namespace resourceManager {
      * @syscap SystemCapability.Global.ResourceManager
      * @crossplatform
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getRawFileContentSync(path: string): Uint8Array;
 
@@ -4855,7 +5003,8 @@ declare namespace resourceManager {
    * @syscap SystemCapability.Global.ResourceManager
    * @crossplatform
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   export type Resource = _Resource;
 }