diff --git a/api/@ohos.data.distributedKVStore.d.ts b/api/@ohos.data.distributedKVStore.d.ts
index 49a44cf505a82634bde2362987295387b84eebc4..1f261f895ed16e0a3af69aa050e893cddbeca6ec 100644
--- a/api/@ohos.data.distributedKVStore.d.ts
+++ b/api/@ohos.data.distributedKVStore.d.ts
@@ -1184,8 +1184,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100003 - Database corrupted.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     /**
      * Writes a key-value pair of the string type into the {@code SingleKVStore} database.
@@ -1203,8 +1202,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @throws { BusinessError } 14800047 - The WAL file size exceeds the default limit.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'10','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 10
      */
     put(key: string, value: Uint8Array | string | number | boolean, callback: AsyncCallback<void>): void;
 
@@ -1223,8 +1221,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100003 - Database corrupted.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     /**
      * Writes a key-value pair of the string type into the {@code SingleKVStore} database.
@@ -1242,11 +1239,52 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @throws { BusinessError } 14800047 - The WAL file size exceeds the default limit.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'10','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 10
      */
     put(key: string, value: Uint8Array | string | number | boolean): Promise<void>;
 
+    /**
+     * Writes a key-value pair of the string type into the {@code SingleKVStore} database.
+     * <p>If you do not want to synchronize this key-value pair to other devices, set the write option in the local
+     * database.
+     *
+     * @param { string } key - Indicates the key. Length must be less than {@code MAX_KEY_LENGTH}.
+     * Spaces before and after the key will be cleared.
+     * @param { Uint8Array | string | number | boolean } value - Indicates the value to be inserted.
+     * @returns { Promise<void> } the promise returned by the function.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @throws { BusinessError } 14800047 - The WAL file size exceeds the default limit.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    putWithCallback(key: string, value: Uint8Array | string | number | boolean, callback: AsyncCallback<void>): void;
+
+    /**
+     * Writes a key-value pair of the string type into the {@code SingleKVStore} database.
+     * <p>If you do not want to synchronize this key-value pair to other devices, set the write option in the local
+     * database.
+     *
+     * @param { string } key - Indicates the key. Length must be less than {@code MAX_KEY_LENGTH}.
+     * Spaces before and after the key will be cleared.
+     * @param { Uint8Array | string | number | boolean } value - Indicates the value to be inserted.
+     * @returns { Promise<void> } the promise returned by the function.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @throws { BusinessError } 14800047 - The WAL file size exceeds the default limit.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    putReturnsPromise(key: string, value: Uint8Array | string | number | boolean): Promise<void>;
+
     /**
      * Inserts key-value pairs into the {@code SingleKVStore} database in batches.
      *
@@ -1606,8 +1644,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100004 - Not found.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(key: string, callback: AsyncCallback<boolean | string | number | Uint8Array>): void;
 
@@ -1624,11 +1661,46 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100004 - Not found.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(key: string): Promise<boolean | string | number | Uint8Array>;
 
+    /**
+     * Obtains the value of a specified key.
+     *
+     * @param { string } key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
+     * @param { AsyncCallback<boolean | string | number | Uint8Array> } callback -
+     * {Uint8Array|string|boolean|number}: the returned value specified by the key.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100004 - Not found.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getWithCallback(key: string, callback: AsyncCallback<boolean | string | number | Uint8Array>): void;
+
+    /**
+     * Obtains the value of a specified key.
+     *
+     * @param { string } key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
+     * @returns { Promise<boolean | string | number | Uint8Array> }
+     * {Uint8Array|string|boolean|number}: the returned value specified by the key.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100004 - Not found.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getReturnsPromise(key: string): Promise<boolean | string | number | Uint8Array>;
+
     /**
      * Obtains all key-value pairs that match a specified key prefix.
      *
@@ -1963,8 +2035,7 @@ declare namespace distributedKVStore {
      * <br>2.Parameter verification failed.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     backup(file: string, callback: AsyncCallback<void>): void;
 
@@ -1978,11 +2049,40 @@ declare namespace distributedKVStore {
      * <br>2.Parameter verification failed.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     backup(file: string): Promise<void>;
 
+    /**
+     * Backs up a database in the specified filename.
+     *
+     * @param { string } file - Indicates the database backup filename, It can not be empty and
+     * The length must be less than {@code MAX_KEY_LENGTH}.
+     * @param { AsyncCallback<void> } callback - the callback of backup.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Parameter verification failed.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    backupWithCallback(file: string, callback: AsyncCallback<void>): void;
+
+    /**
+     * Backs up a database in the specified filename.
+     *
+     * @param { string } file - Indicates the database backup filename, It can not be empty and
+     * The length must be less than {@code MAX_KEY_LENGTH}.
+     * @returns { Promise<void> } the promise returned by the function.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Parameter verification failed.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    backupReturnsPromise(file: string): Promise<void>;
+
     /**
      * Restores a database from a specified database file.
      *
@@ -2370,8 +2470,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100004 - Not found.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(key: string, callback: AsyncCallback<boolean | string | number | Uint8Array>): void;
 
@@ -2388,11 +2487,45 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100004 - Not found.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(key: string): Promise<boolean | string | number | Uint8Array>;
 
+    /**
+     * Obtains the value matching the local device ID and specified key.
+     *
+     * @param { string } key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
+     * @param { AsyncCallback<boolean | string | number | Uint8Array> } callback -
+     * {Uint8Array|string|boolean|number}: the returned value specified by the local device ID and specified key.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100004 - Not found.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getWithCallback(key: string, callback: AsyncCallback<boolean | string | number | Uint8Array>): void;
+
+    /**
+     * Obtains the value matching the local device ID and specified key.
+     *
+     * @param { string } key - Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
+     * @returns { Promise<boolean | string | number | Uint8Array> }
+     * {Uint8Array|string|boolean|number}: the returned value specified by the local device ID and specified key.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100004 - Not found.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getReturnsPromise(key: string): Promise<boolean | string | number | Uint8Array>;
     /**
      * Obtains the value matching a specified device ID and key.
      *
@@ -2408,8 +2541,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100004 - Not found.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since9
      */
     get(deviceId: string, key: string, callback: AsyncCallback<boolean | string | number | Uint8Array>): void;
 
@@ -2428,11 +2560,51 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100004 - Not found.
      * @throws { BusinessError } 15100005 - Database or result set already closed.
      * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     get(deviceId: string, key: string): Promise<boolean | string | number | Uint8Array>;
 
+    /**
+     * Obtains the value matching a specified device ID and key.
+     *
+     * @param { string } deviceId - Indicates the device to be queried.
+     * @param { string } key - Indicates the key of the value to be queried. The length must be less than
+     * {@code MAX_KEY_LENGTH}.
+     * @param { AsyncCallback<boolean | string | number | Uint8Array> } callback -
+     * {boolean | string | number | Uint8Array}: the returned value specified by the deviceId and key.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100004 - Not found.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore
+     * @since 20
+     * @arkts 1.2
+     */
+    getByDevIdWithCallback(deviceId: string, key: string,
+        callback: AsyncCallback<boolean | string | number | Uint8Array>): void;
+
+    /**
+     * Obtains the value matching a specified device ID and key.
+     *
+     * @param { string } deviceId - Indicates the device to be queried.
+     * @param { string } key - Indicates the key of the value to be queried. The length must be less than
+     * {@code MAX_KEY_LENGTH}.
+     * @returns { Promise<boolean | string | number | Uint8Array> }
+     * {Uint8Array|string|boolean|number}: the returned value specified by the deviceId and key.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @throws { BusinessError } 15100004 - Not found.
+     * @throws { BusinessError } 15100005 - Database or result set already closed.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.DistributedKVStore
+     * @since 20
+     * @arkts 1.2
+     */
+    getByDevIdReturnsPromise(deviceId: string, key: string): Promise<boolean | string | number | Uint8Array>;
+
     /**
      * Obtains all key-value pairs that match the local device ID and specified key prefix.
      *
@@ -3110,8 +3282,7 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100002 - Open existed database with changed options.
      * @throws { BusinessError } 15100003 - Database corrupted.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     getKVStore<T>(storeId: string, options: Options, callback: AsyncCallback<T>): void;
 
@@ -3130,11 +3301,50 @@ declare namespace distributedKVStore {
      * @throws { BusinessError } 15100002 - Open existed database with changed options.
      * @throws { BusinessError } 15100003 - Database corrupted.
      * @syscap SystemCapability.DistributedDataManager.KVStore.Core
-     * @since arkts {'1.1':'9','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 9
      */
     getKVStore<T>(storeId: string, options: Options): Promise<T>;
 
+    /**
+     * Creates and obtains a KVStore database by specifying {@code Options} and {@code storeId}.
+     *
+     * @param { string } storeId - Identifies the KVStore database. The value of this parameter must be unique
+     * for the same application, and different applications can share the same value. The storeId can consist
+     * of only letters, digits, and underscores (_), and cannot exceed 128 characters.
+     * @param { Options } options - Indicates the {@code Options} object used for creating and
+     * obtaining the KVStore database.
+     * @param { AsyncCallback<T> } callback - {T}: the {@code SingleKVStore} or {@code DeviceKVStore} instance.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100002 - Open existed database with changed options.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getKVStoreWithCallback<T>(storeId: string, options: Options, callback: AsyncCallback<T>): void;
+
+    /**
+     * Creates and obtains a KVStore database by specifying {@code Options} and {@code storeId}.
+     *
+     * @param { string } storeId - Identifies the KVStore database. The value of this parameter must be unique
+     * for the same application, and different applications can share the same value. The storeId can consist
+     * of only letters, digits, and underscores (_), and cannot exceed 128 characters.
+     * @param { Options } options - Indicates the {@code Options} object used for creating and
+     * obtaining the KVStore database.
+     * @returns { Promise<T> } {T}: the {@code SingleKVStore} or {@code DeviceKVStore} instance.
+     * @throws { BusinessError } 401 - Parameter error.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameters types;
+     * <br>3.Parameter verification failed.
+     * @throws { BusinessError } 15100002 - Open existed database with changed options.
+     * @throws { BusinessError } 15100003 - Database corrupted.
+     * @syscap SystemCapability.DistributedDataManager.KVStore.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getKVStoreReturnsPromise<T>(storeId: string, options: Options): Promise<T>;
+
     /**
      * Closes the KVStore database.
      * <p>Warning: This method is not thread-safe. If you call this method to stop a KVStore database that is running,