diff --git a/api/@ohos.file.photoAccessHelper.d.ts b/api/@ohos.file.photoAccessHelper.d.ts
index 51a7c65e0943c0ee69c7ea13c10a1d5f0e672171..9b312eb35c06859fc2d57db713ca321fd72c2afb 100644
--- a/api/@ohos.file.photoAccessHelper.d.ts
+++ b/api/@ohos.file.photoAccessHelper.d.ts
@@ -2165,7 +2165,6 @@ declare namespace photoAccessHelper {
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
      * @crossplatform
      * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
      */
     URI = 'uri',
     /**
@@ -2271,7 +2270,15 @@ declare namespace photoAccessHelper {
      *
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
      * @crossplatform
-     * @since arkts {'1.1':'12','1.2':'20'}
+     * @since 12
+     */
+    /**
+     * Modified date of the asset, read only
+     *
+     * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
+     * @crossplatform
+     * @atomicservice
+     * @since arkts {'1.1':'20','1.2':'20'}
      * @arkts 1.1&1.2
      */
     DATE_MODIFIED = 'date_modified',
@@ -2808,6 +2815,7 @@ declare namespace photoAccessHelper {
      * URI of the album.
      *
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
+     * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'20','1.2':'20'}
      * @arkts 1.1&1.2
@@ -3243,11 +3251,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the total number of files in the result set.
+     * Obtains the total number of objects in the fetch result.
      *
      * @returns { number } Total number of objects.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3283,12 +3289,10 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Checks whether the cursor is in the last row of the result set.
+     * Checks whether the result set points to the last row.
      * You need to check whether the object is the last one before calling getNextObject.
      *
      * @returns { boolean } Whether the object is the last one in the fetch result.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3321,11 +3325,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the first file asset in the result set. This API uses an asynchronous callback to return the result.
+     * Obtains the first object in the fetch result.
      *
      * @param { AsyncCallback<T> } callback - Callback used to return the first file asset obtained.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3359,11 +3361,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the first file asset in the result set. This API uses a promise to return the result.
+     * Obtains the first object in the fetch result.
      *
      * @returns { Promise<T> } Returns the first object in the fetch result.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3399,12 +3399,11 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the next file asset in the result set. This API uses an asynchronous callback to return the result.
+     * Obtains the next objext in the fetch result. 
      * Before using this API, you must use isAfterLast() to check whether the current position is the end of the result set.
+     * in the fetch result. This method only works when the current position is not the last row.
      *
      * @param { AsyncCallback<T> } callback - Callback used to return the next file asset obtained.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3440,12 +3439,11 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the next file asset in the result set. This API uses a promise to return the result.
+     * Obtains the next objext in the fetch result. 
      * Before using this API, you must use isAfterLast() to check whether the current position is the end of the result set.
+     * in the fetch result. This method only works when the current position is not the last row.
      *
      * @returns { Promise<T> } Returns the next object
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3479,11 +3477,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the last file asset in the result set. This API uses an asynchronous callback to return the result.
+     * Obtains the last object asset in the fetch result.
      *
      * @param { AsyncCallback<T> } callback - Callback used to return the last file asset obtained.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3516,11 +3512,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains the last file asset in the result set. This API uses a promise to return the result.
+     * Obtains the last object asset in the fetch result.
      *
      * @returns { Promise<T> } Returns the last object
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3555,12 +3549,10 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains a file asset with the specified index in the result set. This API uses an asynchronous callback to return the result.
+     * Obtains the object with the specified index in the result set.
      *
      * @param { number } index - Index of the file asset to obtain. The value starts from 0.
      * @param { AsyncCallback<T> } callback - Callback used to return the file asset obtained.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types; 3. Parameter verification failed.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3596,12 +3588,10 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains a file asset with the specified index in the result set. This API uses a promise to return the result.
+     * Obtains the object with the specified index in the result set.
      *
      * @param { number } index - Index of the file asset to obtain. The value starts from 0.
      * @returns { Promise<T> } Returns the object
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types; 3. Parameter verification failed.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3635,11 +3625,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains all the file assets in the result set. This API uses an asynchronous callback to return the result.
+     * Obtains all objects in the fetch result.
      *
      * @param { AsyncCallback<Array<T>> } callback - Callback used to return an array of all file assets in the result set.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3673,11 +3661,9 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains all the file assets in the result set. This API uses a promise to return the result.
+     * Obtains all objects in the fetch result.
      *
      * @returns { Promise<Array<T>> } Returns all the objects
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -3709,10 +3695,8 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Closes this FetchResult instance to invalidate it. After this instance is released, the APIs in this instance cannot be invoked.
+     * Release the fetch result.
      *
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types.
      * @throws { BusinessError } 13900020 - Invalid argument
      * @throws { BusinessError } 14000011 - System inner fail
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
@@ -4722,15 +4706,13 @@ declare namespace photoAccessHelper {
      * @since 12
      */
     /**
-     * Obtains burst assets. This API uses a promise to return the result.
+     * Fetch a group of burst assets
      *
      * @permission ohos.permission.READ_IMAGEVIDEO
      * @param { string } burstKey - UUID of a set of burst photos (BURST_KEY of PhotoKeys). The value is a string of 36 characters.
      * @param { FetchOptions } options - Options for fetching the burst photos.
      * @returns { Promise<FetchResult<PhotoAsset>> } Returns the fetch result.
      * @throws { BusinessError } 201 - Permission denied
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
-     * <br>2. Incorrect parameter types; 3. Parameter verification failed.
      * @throws { BusinessError } 14000011 - Internal system error
      * @syscap SystemCapability.FileManagement.PhotoAccessHelper.Core
      * @atomicservice