diff --git a/api/phone/@ohos.data.distributedData.d.ts b/api/phone/@ohos.data.distributedData.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..efd0a34d36c21c7c676f9bdac9570e48315f832f
--- /dev/null
+++ b/api/phone/@ohos.data.distributedData.d.ts
@@ -0,0 +1,443 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { AsyncCallback, Callback } from './basic';
+
+declare namespace distributedData {
+    /**
+     * Provides configuration information for {@link KVManager} instances,
+     * including the caller's package name and distributed network type.
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @devices phone, tablet
+     * @since 7
+     */
+    interface KVManagerConfig {
+        /**
+         * Indicates the user information
+         */
+        userInfo: UserInfo;
+
+        /**
+         * Indicates the bundleName
+         */
+        bundleName: string;
+    }
+
+    /**
+     * Manages user information.
+     *
+     * <p>This class provides methods for obtaining the user ID and type, setting the user ID and type,
+     * and checking whether two users are the same.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     */
+    interface UserInfo {
+        /** Indicates the user ID to set */
+        userId?: string;
+
+        /** Indicates the user type to set */
+        userType?: UserType;
+    }
+
+    /**
+     * Enumerates user types.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     */
+    enum UserType {
+        /** Indicates a user that logs in to different devices using the same account. */
+        SAME_USER_ID = 0
+    }
+
+    /**
+     * KVStore constants
+     */
+    namespace Constants {
+        /**
+        * max key length.
+        */
+        const MAX_KEY_LENGTH = 1024;
+
+        /**
+         * max value length.
+         */
+        const MAX_VALUE_LENGTH = 4194303;
+
+        /**
+         * max device coordinate key length.
+         */
+        const MAX_KEY_LENGTH_DEVICE = 896;
+
+        /**
+         * max store id length.
+         */
+        const MAX_STORE_ID_LENGTH = 128;
+
+        /**
+         * max query length.
+         */
+        const MAX_QUERY_LENGTH = 512000;
+
+        /**
+         * max batch operation size.
+         */
+        const MAX_BATCH_SIZE = 128;
+    }
+
+    /**
+     * Indicates the {@code ValueType}.
+     *
+     * <p>{@code ValueType} is obtained based on the value.
+     *
+     * @since 7
+     */
+    enum ValueType {
+        /** Indicates that the value type is string. */
+        STRING = 0,
+
+        /** Indicates that the value type is int. */
+        INTEGER = 1,
+
+        /** Indicates that the value type is float. */
+        FLOAT = 2,
+
+        /** Indicates that the value type is byte array. */
+        BYTE_ARRAY = 3,
+
+        /** Indicates that the value type is boolean. */
+        BOOLEAN = 4,
+
+        /** Indicates that the value type is double. */
+        DOUBLE = 5
+    }
+
+    /**
+     * Obtains {@code Value} objects stored in a {@link KVStore} database.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @devices phone, tablet
+     * @since 7
+     */
+    interface Value {
+        /**
+         * Indicates value type
+         *
+         * @see ValueType
+         * @type {number}
+         * @memberof Value
+         */
+        type: ValueType;
+        value: Uint8Array | string | number | boolean;
+    }
+
+    /**
+     * Provides key-value pairs stored in the distributed database.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @devices phone, tablet
+     * @since 7
+     */
+    interface Entry {
+        key: string;
+        value: Value;
+    }
+
+    /**
+     * Receives notifications of all data changes, including data insertion, update, and deletion.
+     *
+     * <p>If you have subscribed to {@code KVStore}, you will receive data change notifications and obtain the changed data
+     * from the parameters in callback methods upon data insertion, update, or deletion.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @devices phone, tablet
+     * @since 7
+     */
+    interface ChangeNotification {
+        /** Indicates data addition records. */
+        insertEntries: Entry[];
+        /** Indicates data update records. */
+        updateEntries: Entry[];
+        /** Indicates data deletion records. */
+        deleteEntries: Entry[];
+        /** Indicates from device id. */
+        deviceId: string;
+    }
+
+    /**
+     * Indicates the database synchronization mode.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     */
+    enum SyncMode {
+        /** Indicates that data is only pulled from the remote end. */
+        PULL_ONLY = 0,
+        /** Indicates that data is only pushed from the local end. */
+        PUSH_ONLY = 1,
+        /** Indicates that data is pushed from the local end, and then pulled from the remote end. */
+        PUSH_PULL = 2
+    }
+
+    /**
+     * Describes the subscription type.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @devices phone, tablet
+     * @since 7
+     */
+    enum SubscribeType {
+        /** Subscription to local data changes */
+        SUBSCRIBE_TYPE_LOCAL = 0,
+
+        /** Subscription to remote data changes */
+        SUBSCRIBE_TYPE_REMOTE = 1,
+
+        /** Subscription to both local and remote data changes */
+        SUBSCRIBE_TYPE_ALL = 2,
+    }
+
+    /**
+     * Describes the {@code KVStore} type.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     */
+    enum KVStoreType {
+        /** Device-collaborated database, as specified by {@code DeviceKVStore} */
+        DEVICE_COLLABORATION = 0,
+
+        /** Single-version database, as specified by {@code SingleKVStore} */
+        SINGLE_VERSION = 1,
+
+        /** Multi-version database, as specified by {@code MultiKVStore} */
+        MULTI_VERSION = 2,
+    }
+
+    /**
+     * Describes the {@code KVStore} type.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     */
+    enum SecurityLevel {
+        /**
+         * NO_LEVEL: mains not set the security level.
+         *
+         * @since 7
+         */
+        NO_LEVEL = 0,
+
+        /**
+         * S0: mains the db is public.
+         * There is no impact even if the data is leaked.
+         *
+         * @since 7
+         */
+        S0 = 1,
+
+        /**
+         * S1: mains the db is low level security
+         * There are some low impact, when the data is leaked.
+         *
+         * @since 7
+         */
+        S1 = 2,
+
+        /**
+         * S2: mains the db is middle level security
+         * There are some major impact, when the data is leaked.
+         *
+         * @since 7
+         */
+        S2 = 3,
+
+        /**
+         * S3: mains the db is high level security
+         * There are some severity impact, when the data is leaked.
+         *
+         * @since 7
+         */
+        S3 = 5,
+
+        /**
+         * S4: mains the db is critical level security
+         * There are some critical impact, when the data is leaked.
+         *
+         * @since 7
+         */
+        S4 = 6,
+    }
+
+    /**
+     * Provides configuration options for creating a {@code KVStore}.
+     *
+     * <p>You can determine whether to create another database if a {@code KVStore} database is missing,
+     * whether to encrypt the database, and the database type.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     */
+    interface Options {
+        createIfMissing?: boolean;
+        encrypt?: boolean;
+        backup?: boolean;
+        autoSync?: boolean;
+        kvStoreType?: KVStoreType;
+        securityLevel?: SecurityLevel;
+    }
+
+    /**
+     * Represents a key-value distributed database and provides methods for adding, deleting, modifying, querying,
+     * and subscribing to distributed data.
+     *
+     * <p>You can create distributed databases of different types by {@link KVManager#getKVStore (Options, String)}
+     * with input parameter {@code Options}. Distributed database types are defined in {@code KVStoreType},
+     * including {@code SingleKVStore}.
+     *
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @devices phone, tablet
+     * @since 7
+     * @version 1
+     */
+    interface KVStore {
+        /**
+         * Writes a key-value pair of the byte array type into the {@code KVStore} database.
+         *
+         * @param key Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
+         * Spaces before and after the key will be cleared.
+         * @param value Indicates the byte array, which must be less than 4 MB.
+         * @return Returns the error code of databases.
+         * @since 7
+         */
+        put(key: string, value: Uint8Array | string | number | boolean, callback: AsyncCallback<void>): void;
+        put(key: string, value: Uint8Array | string | number | boolean): Promise<void>;
+
+        /**
+         * Deletes the key-value pair based on a specified key.
+         *
+         * @param key Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
+         * Spaces before and after the key will be cleared.
+         * @return Returns the error code of databases.
+         * @since 7
+         */
+        delete(key: string, callback: AsyncCallback<void>): void;
+        delete(key: string): Promise<void>;
+
+        /**
+         * turn on from the data change notify based on the specified {@code subscribeType}.
+         *
+         * @param type Indicates the subscription type, which is defined in {@code SubscribeType}.
+         * @param observer Indicates the observer of data change events in the distributed database.
+         * @return Returns the error code of databases.
+         * @since 7
+         */
+        on(event: 'dataChange', type: SubscribeType, observer: Callback<ChangeNotification>): void;
+
+        /**
+         * Subscribe to the notification of store synchronization completion.
+         *
+         * <p>Sync result is returned through asynchronous callback.
+         *
+         * @param syncCallback Indicates the callback used to send the synchronization result to the caller.
+         * @return Returns the {@code number} object.
+         * @since 7
+         */
+        on(event: 'syncComplete', syncCallback: Callback<Array<[string, number]>>): void;
+    }
+
+    /**
+     * Provides methods related to single-version distributed databases.
+     *
+     * <p>To create a {@code SingleKVStore} database,
+     * you can use the {@link data.distributed.common.KVManager#getKVStore​(Options, String)} method
+     * with {@code KVStoreType} set to {@code SINGLE_VERSION} for the input parameter {@code Options}.
+     * This database synchronizes data to other databases in time sequence.
+     * The {@code SingleKVStore} database does not support
+     * synchronous transactions, or data search using snapshots.
+     *
+     * @devices phone, tablet
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     * @version 1
+     */
+    interface SingleKVStore extends KVStore {
+        /**
+         * Obtains the value of a specified key.
+         *
+         * @param key Indicates the key of the value to be queried.
+         * @return Returns the value matching the given criteria.
+         * @throws Throws exception if any of the following errors occurs: {@code INVALID_ARGUMENT},
+         * {@code SERVER_UNAVAILABLE}, {@code IPC_ERROR}, {@code DB_ERROR}, and {@code KEY_NOT_FOUND}.
+         * @since 7
+         */
+        get(key: string, callback: AsyncCallback<Uint8Array | string | boolean | number>): void;
+        get(key: string): Promise<Uint8Array | string | boolean | number>;
+
+        /**
+         * Synchronizing KVStore Data Between Devices.
+         *
+         * @param deviceIdList Indicates the {@code string}.
+         * @param mode Indicates the {@code SyncMode} object.
+         * @param allowedDelayMs Indicates the number type parameter.
+         * @return Returns the {@code number} object.
+         * @since 7
+         */
+        sync(deviceIdList: string[], mode: SyncMode, allowedDelayMs?: number): void;
+    }
+    
+    /**
+     * Creates a {@link KVManager} instance based on the configuration information.
+     *
+     * <p>You must pass {@link KVManagerConfig} to provide configuration information
+     * for creating the {@link KVManager} instance.
+     *
+     * @param config Indicates the {@link KVStore} configuration information,
+     * including the user information and package name.
+     * @return Returns the {@code KVManager} instance.
+     * @throws Throws exception if input is invalid.
+     * @since 7
+     */
+    function createKVManager(config: KVManagerConfig, callback: AsyncCallback<KVManager>): void;
+    function createKVManager(config: KVManagerConfig): Promise<KVManager>;
+
+    /**
+     * Provides interfaces to manage a {@code KVStore} database,
+     * including obtaining, closing, and deleting the {@code KVStore}.
+     *
+     * @devices phone, tablet
+     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
+     * @since 7
+     * @version 1
+     */
+    interface KVManager {
+        /**
+         * Creates and obtains a {@code KVStore} database by specifying {@code Options} and {@code storeId}.
+         *
+         * @param options Indicates the options used for creating and obtaining the {@code KVStore} database,
+         * including {@code isCreateIfMissing}, {@code isEncrypt}, and {@code KVStoreType}.
+         * @param storeId Identifies the {@code KVStore} database.
+         * The value of this parameter must be unique for the same application,
+         * and different applications can share the same value.
+         * @return Returns a {@code KVStore}, or {@code SingleKVStore},
+         * @since 7
+         */
+        getKVStore<T extends KVStore>(storeId: string, options: Options): Promise<T>;
+        getKVStore<T extends KVStore>(storeId: string, options: Options, callback: AsyncCallback<T>): void;
+    }
+}
+
+export default distributedData;
\ No newline at end of file
diff --git a/api/phone/@ohos.data.distributeddata.d.ts b/api/phone/@ohos.data.distributeddata.d.ts
deleted file mode 100644
index 579ab1129f50bf9b7810fa1a01cafeaeea8781d6..0000000000000000000000000000000000000000
--- a/api/phone/@ohos.data.distributeddata.d.ts
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { AsyncCallback, Callback } from './basic';
-import { KVStore } from "./data/distributeddata/kvstore";
-import { Options } from "./data/distributeddata/plain_ordinary_js_objects";
-import { KVManagerConfig } from './data/distributeddata/kvmanager_config'
-
-declare namespace distributedData {
-    /**
-     * Creates a {@link KVManager} instance based on the configuration information.
-     *
-     * <p>You must pass {@link KVManagerConfig} to provide configuration information
-     * for creating the {@link KVManager} instance.
-     *
-     * @param config Indicates the {@link KVStore} configuration information,
-     * including the user information and package name.
-     * @return Returns the {@code KVManager} instance.
-     * @throws Throws exception if input is invalid.
-     * @since 7
-     */
-    function createKVManager(config: KVManagerConfig, callback: AsyncCallback<KVManager>): void;
-    function createKVManager(config: KVManagerConfig): Promise<KVManager>;
-
-    /**
-     * Provides interfaces to manage a {@code KVStore} database,
-     * including obtaining, closing, and deleting the {@code KVStore}.
-     *
-     * @devices phone, tablet
-     * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
-     * @since 7
-     * @version 1
-     */
-    interface KVManager {
-        /**
-         * Creates and obtains a {@code KVStore} database by specifying {@code Options} and {@code storeId}.
-         *
-         * @param options Indicates the options used for creating and obtaining the {@code KVStore} database,
-         * including {@code isCreateIfMissing}, {@code isEncrypt}, and {@code KVStoreType}.
-         * @param storeId Identifies the {@code KVStore} database.
-         * The value of this parameter must be unique for the same application,
-         * and different applications can share the same value.
-         * @return Returns a {@code KVStore}, or {@code SingleKVStore},
-         * @since 7
-         */
-        getKVStore<T extends KVStore>(storeId: string, options: Options): Promise<T>;
-        getKVStore<T extends KVStore>(storeId: string, options: Options, callback: AsyncCallback<T>): void;
-    }
-}
-
-export default distributedData;
\ No newline at end of file
diff --git a/api/phone/data/distributeddata/kvmanager_config.d.ts b/api/phone/data/distributeddata/kvmanager_config.d.ts
deleted file mode 100644
index 643aa1c2aa75bc79ee2a3a615efae974c9cdc24c..0000000000000000000000000000000000000000
--- a/api/phone/data/distributeddata/kvmanager_config.d.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Provides configuration information for {@link KVManager} instances,
- * including the caller's package name and distributed network type.
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @devices phone, tablet
- * @since 7
- */
-export interface KVManagerConfig {
-    /**
-     * Indicates the user information
-     */
-    userInfo: UserInfo;
-
-    /**
-     * Indicates the bundleName
-     */
-    bundleName: string;
-}
-
-/**
- * Manages user information.
- *
- * <p>This class provides methods for obtaining the user ID and type, setting the user ID and type,
- * and checking whether two users are the same.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- */
-export interface UserInfo {
-    /** Indicates the user ID to set */
-    userId?: string;
-
-    /** Indicates the user type to set */
-    userType?: UserType;
-}
-
-/**
- * Enumerates user types.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- */
-export enum UserType {
-    /** Indicates a user that logs in to different devices using the same account. */
-    SAME_USER_ID = 0
-}
\ No newline at end of file
diff --git a/api/phone/data/distributeddata/kvstore.d.ts b/api/phone/data/distributeddata/kvstore.d.ts
deleted file mode 100644
index 6f6da977f73e03820ceaa6886ffc68a7e8c81532..0000000000000000000000000000000000000000
--- a/api/phone/data/distributeddata/kvstore.d.ts
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { AsyncCallback, Callback } from '../../basic';
-import { ChangeNotification, SubscribeType } from "./plain_ordinary_js_objects";
-
-/**
- * Represents a key-value distributed database and provides methods for adding, deleting, modifying, querying,
- * and subscribing to distributed data.
- *
- * <p>You can create distributed databases of different types by {@link KVManager#getKVStore (Options, String)}
- * with input parameter {@code Options}. Distributed database types are defined in {@code KVStoreType},
- * including {@code SingleKVStore}.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @devices phone, tablet
- * @since 7
- * @version 1
- */
-export interface KVStore {
-    /**
-     * Writes a key-value pair of the byte array type into the {@code KVStore} database.
-     *
-     * @param key Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
-     * Spaces before and after the key will be cleared.
-     * @param value Indicates the byte array, which must be less than 4 MB.
-     * @return Returns the error code of databases.
-     * @since 7
-     */
-    put(key: string, value: Uint8Array | string | number | boolean, callback: AsyncCallback<void>): void;
-    put(key: string, value: Uint8Array | string | number | boolean): Promise<void>;
-
-    /**
-     * Deletes the key-value pair based on a specified key.
-     *
-     * @param key Indicates the key. The length must be less than {@code MAX_KEY_LENGTH}.
-     * Spaces before and after the key will be cleared.
-     * @return Returns the error code of databases.
-     * @since 7
-     */
-    delete(key: string, callback: AsyncCallback<void>): void;
-    delete(key: string): Promise<void>;
-
-    /**
-     * turn on from the data change notify based on the specified {@code subscribeType}.
-     *
-     * @param type Indicates the subscription type, which is defined in {@code SubscribeType}.
-     * @param observer Indicates the observer of data change events in the distributed database.
-     * @return Returns the error code of databases.
-     * @since 7
-     */
-    on(event: 'dataChange', type: SubscribeType, observer: Callback<ChangeNotification>): void;
-
-    /**
-     * Subscribe to the notification of store synchronization completion.
-     *
-     * <p>Sync result is returned through asynchronous callback.
-     *
-     * @param syncCallback Indicates the callback used to send the synchronization result to the caller.
-     * @return Returns the {@code number} object.
-     * @since 7
-     */
-    on(event: 'syncComplete', syncCallback: Callback<Array<[string, number]>>): void;
-}
-
-/**
- * KVStore constants
- */
-export module Constants {
-    /**
-    * max key length.
-    */
-    const MAX_KEY_LENGTH = 1024;
-
-    /**
-     * max value length.
-     */
-    const MAX_VALUE_LENGTH = 4194303;
-
-    /**
-     * max device coordinate key length.
-     */
-    const MAX_KEY_LENGTH_DEVICE = 896;
-
-    /**
-     * max store id length.
-     */
-    const MAX_STORE_ID_LENGTH = 128;
-
-    /**
-     * max query length.
-     */
-    const MAX_QUERY_LENGTH = 512000;
-
-    /**
-     * max batch operation size.
-     */
-    const MAX_BATCH_SIZE = 128;
-}
\ No newline at end of file
diff --git a/api/phone/data/distributeddata/plain_ordinary_js_objects.d.ts b/api/phone/data/distributeddata/plain_ordinary_js_objects.d.ts
deleted file mode 100644
index efcfd56078874d8e8f54f3ac0abb3360f21d3303..0000000000000000000000000000000000000000
--- a/api/phone/data/distributeddata/plain_ordinary_js_objects.d.ts
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * Obtains {@code Value} objects stored in a {@link KVStore} database.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @devices phone, tablet
- * @since 7
- */
-export interface Value {
-    /**
-     * Indicates value type
-     *
-     * @see ValueType
-     * @type {number}
-     * @memberof Value
-     */
-    type: ValueType;
-    value: Uint8Array | string | number | boolean;
-}
-
-/**
- * Provides key-value pairs stored in the distributed database.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @devices phone, tablet
- * @since 7
- */
-export interface Entry {
-    key: string;
-    value: Value;
-}
-
-/**
- * Receives notifications of all data changes, including data insertion, update, and deletion.
- *
- * <p>If you have subscribed to {@code KVStore}, you will receive data change notifications and obtain the changed data
- * from the parameters in callback methods upon data insertion, update, or deletion.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @devices phone, tablet
- * @since 7
- */
-export interface ChangeNotification {
-    /** Indicates data addition records. */
-    insertEntries: Entry[];
-    /** Indicates data update records. */
-    updateEntries: Entry[];
-    /** Indicates data deletion records. */
-    deleteEntries: Entry[];
-    /** Indicates from device id. */
-    deviceId: string;
-}
-
-/**
- * Describes the subscription type.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @devices phone, tablet
- * @since 7
- */
-export enum SubscribeType {
-    /** Subscription to local data changes */
-    SUBSCRIBE_TYPE_LOCAL = 0,
-
-    /** Subscription to remote data changes */
-    SUBSCRIBE_TYPE_REMOTE = 1,
-
-    /** Subscription to both local and remote data changes */
-    SUBSCRIBE_TYPE_ALL = 2,
-}
-
-/**
- * Describes the {@code KVStore} type.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- */
-export enum KVStoreType {
-    /** Device-collaborated database, as specified by {@code DeviceKVStore} */
-    DEVICE_COLLABORATION = 0,
-
-    /** Single-version database, as specified by {@code SingleKVStore} */
-    SINGLE_VERSION = 1,
-
-    /** Multi-version database, as specified by {@code MultiKVStore} */
-    MULTI_VERSION = 2,
-}
-
-/**
- * Describes the {@code KVStore} type.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- */
-export enum SecurityLevel {
-    /**
-     * NO_LEVEL: mains not set the security level.
-     *
-     * @since 7
-     */
-    NO_LEVEL = 0,
-
-    /**
-     * S0: mains the db is public.
-     * There is no impact even if the data is leaked.
-     *
-     * @since 7
-     */
-    S0 = 1,
-
-    /**
-     * S1: mains the db is low level security
-     * There are some low impact, when the data is leaked.
-     *
-     * @since 7
-     */
-    S1 = 2,
-
-    /**
-     * S2: mains the db is middle level security
-     * There are some major impact, when the data is leaked.
-     *
-     * @since 7
-     */
-    S2 = 3,
-
-    /**
-     * S3: mains the db is high level security
-     * There are some severity impact, when the data is leaked.
-     *
-     * @since 7
-     */
-    S3 = 5,
-
-    /**
-     * S4: mains the db is critical level security
-     * There are some critical impact, when the data is leaked.
-     *
-     * @since 7
-     */
-    S4 = 6,
-}
-
-/**
- * Provides configuration options for creating a {@code KVStore}.
- *
- * <p>You can determine whether to create another database if a {@code KVStore} database is missing,
- * whether to encrypt the database, and the database type.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- */
-export interface Options {
-    createIfMissing?: boolean;
-    encrypt?: boolean;
-    backup?: boolean;
-    autoSync?: boolean;
-    kvStoreType?: KVStoreType;
-    securityLevel?: SecurityLevel;
-}
-
-/**
- * Indicates the database synchronization mode.
- *
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- */
-export enum SyncMode {
-    /** Indicates that data is only pulled from the remote end. */
-    PULL_ONLY = 0,
-    /** Indicates that data is only pushed from the local end. */
-    PUSH_ONLY = 1,
-    /** Indicates that data is pushed from the local end, and then pulled from the remote end. */
-    PUSH_PULL = 2
-}
-
-/**
- * Indicates the {@code ValueType}.
- *
- * <p>{@code ValueType} is obtained based on the value.
- *
- * @since 7
- */
-export enum ValueType {
-    /** Indicates that the value type is string. */
-    STRING = 0,
-
-    /** Indicates that the value type is int. */
-    INTEGER = 1,
-
-    /** Indicates that the value type is float. */
-    FLOAT = 2,
-
-    /** Indicates that the value type is byte array. */
-    BYTE_ARRAY = 3,
-
-    /** Indicates that the value type is boolean. */
-    BOOLEAN = 4,
-
-    /** Indicates that the value type is double. */
-    DOUBLE = 5
-}
diff --git a/api/phone/data/distributeddata/single_kvstore.d.ts b/api/phone/data/distributeddata/single_kvstore.d.ts
deleted file mode 100644
index a631e52d24c9ebbb7babb70463670a648167ac88..0000000000000000000000000000000000000000
--- a/api/phone/data/distributeddata/single_kvstore.d.ts
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import { AsyncCallback } from '../../basic';
-import { KVStore } from "./kvstore";
-import { SyncMode } from "./plain_ordinary_js_objects";
-
-/**
- * Provides methods related to single-version distributed databases.
- *
- * <p>To create a {@code SingleKVStore} database,
- * you can use the {@link data.distributed.common.KVManager#getKVStore​(Options, String)} method
- * with {@code KVStoreType} set to {@code SINGLE_VERSION} for the input parameter {@code Options}.
- * This database synchronizes data to other databases in time sequence.
- * The {@code SingleKVStore} database does not support
- * synchronous transactions, or data search using snapshots.
- *
- * @devices phone, tablet
- * @Syscap SystemCapability.Data.DATA_DISTRIBUTEDDATAMGR
- * @since 7
- * @version 1
- */
-export interface SingleKVStore extends KVStore {
-    /**
-     * Obtains the value of a specified key.
-     *
-     * @param key Indicates the key of the value to be queried.
-     * @return Returns the value matching the given criteria.
-     * @throws Throws exception if any of the following errors occurs: {@code INVALID_ARGUMENT},
-     * {@code SERVER_UNAVAILABLE}, {@code IPC_ERROR}, {@code DB_ERROR}, and {@code KEY_NOT_FOUND}.
-     * @since 7
-     */
-    get(key: string, callback: AsyncCallback<Uint8Array | string | boolean | number>): void;
-    get(key: string): Promise<Uint8Array | string | boolean | number>;
-
-    /**
-     * Synchronizing KVStore Data Between Devices.
-     *
-     * @param deviceIdList Indicates the {@code string}.
-     * @param mode Indicates the {@code SyncMode} object.
-     * @param allowedDelayMs Indicates the number type parameter.
-     * @return Returns the {@code number} object.
-     * @since 7
-     */
-    sync(deviceIdList: string[], mode: SyncMode, allowedDelayMs?: number): void;
-}
-
-