diff --git a/api/@ohos.data.rdb.d.ts b/api/@ohos.data.rdb.d.ts
index 301969129c5248a7027ef5e565e574e01be742e6..abee9e3e36fe30b2ca94d2ef950cc7b1a9fca64a 100644
--- a/api/@ohos.data.rdb.d.ts
+++ b/api/@ohos.data.rdb.d.ts
@@ -200,9 +200,17 @@ declare namespace rdb {
         /**
          * Set table to be distributed table.
          *
+         * @deprecated since 9
          * @since 8
          * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
          * @param tables the tables name you want to set
+         */
+        /**
+         * Set table to be distributed table.
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param tables the tables name you want to set
          * @permission ohos.permission.DISTRIBUTED_DATASYNC
          */
         setDistributedTables(tables: Array<string>, callback: AsyncCallback<void>): void;
@@ -212,10 +220,21 @@ declare namespace rdb {
          * Obtain distributed table name of specified remote device according to local table name.
          * When query remote device database, distributed table name is needed.
          *
+         * @deprecated since 9
          * @since 8
          * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
          * @param device Indicates the remote device.
          * @param table Indicates the local table name.
+         * @return the distributed table name.
+         */
+        /**
+         * Obtain distributed table name of specified remote device according to local table name.
+         * When query remote device database, distributed table name is needed.
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param device Indicates the remote device.
+         * @param table Indicates the local table name.
          * @permission ohos.permission.DISTRIBUTED_DATASYNC
          * @return the distributed table name.
          */
@@ -225,11 +244,21 @@ declare namespace rdb {
         /**
          * Sync data between devices
          *
+         * @deprecated since 9
          * @since 8
          * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
          * @param mode Indicates the synchronization mode. The value can be PUSH, PULL.
          * @param predicates Constraint synchronized data and devices.
          * @param callback Indicates the callback used to send the synchronization result to the caller.
+         */
+        /**
+         * Sync data between devices
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param mode Indicates the synchronization mode. The value can be PUSH, PULL.
+         * @param predicates Constraint synchronized data and devices.
+         * @param callback Indicates the callback used to send the synchronization result to the caller.
          * @permission ohos.permission.DISTRIBUTED_DATASYNC
          */
         sync(mode: SyncMode, predicates: RdbPredicates, callback: AsyncCallback<Array<[string, number]>>): void;
@@ -239,10 +268,20 @@ declare namespace rdb {
          * Registers an observer for the database. When data in the distributed database changes,
          * the callback will be invoked.
          *
+         * @deprecated since 9
          * @since 8
          * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
          * @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.
+         */
+        /**
+         * Registers an observer for the database. When data in the distributed database changes,
+         * the callback will be invoked.
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @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.
          * @permission ohos.permission.DISTRIBUTED_DATASYNC
          */
         on(event: 'dataChange', type: SubscribeType, observer: Callback<Array<string>>): void;
@@ -250,10 +289,19 @@ declare namespace rdb {
         /**
          * Remove specified observer of specified type from the database.
          *
+         * @deprecated since 9
          * @since 8
          * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
          * @param type Indicates the subscription type, which is defined in {@code SubscribeType}.
-         * @param observer Indicates the data change observer already registered .
+         * @param observer Indicates the data change observer already registered.
+         */
+        /**
+         * Remove specified observer of specified type from the database.
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param type Indicates the subscription type, which is defined in {@code SubscribeType}.
+         * @param observer Indicates the data change observer already registered.
          * @permission ohos.permission.DISTRIBUTED_DATASYNC
          */
         off(event:'dataChange', type: SubscribeType, observer: Callback<Array<string>>): void;