diff --git a/api/@ohos.data.dataAbility.d.ts b/api/@ohos.data.dataAbility.d.ts
index 260afab40448515ba8bd6fb5015602281f31317f..bab5340f552ed6789f3b2b4a9681832cbdf11f0b 100644
--- a/api/@ohos.data.dataAbility.d.ts
+++ b/api/@ohos.data.dataAbility.d.ts
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 import { AsyncCallback } from './basic';
 import rdb from './@ohos.data.rdb';
 
diff --git a/api/@ohos.data.distributedData.d.ts b/api/@ohos.data.distributedData.d.ts
index 63e30013e25bedcbbdf61416fd45b5bdc472cc3e..24c66ef24f1e90df7584cba11282fef6ecc140ef 100644
--- a/api/@ohos.data.distributedData.d.ts
+++ b/api/@ohos.data.distributedData.d.ts
@@ -14,6 +14,7 @@
  */
 
 import { AsyncCallback, Callback } from './basic';
+
 /**
  * Providers interfaces to creat a {@link KVManager} istances.
  * @since 7
diff --git a/api/@ohos.data.distributedDataObject.d.ts b/api/@ohos.data.distributedDataObject.d.ts
index 556c91137a7b7692b36bacb979bb14a7c56d2c67..0a77aa67c6fbf0737a013682f8afd123a4941749 100644
--- a/api/@ohos.data.distributedDataObject.d.ts
+++ b/api/@ohos.data.distributedDataObject.d.ts
@@ -12,6 +12,7 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 import {AsyncCallback, Callback} from './basic';
 
 /**
diff --git a/api/@ohos.data.rdb.d.ts b/api/@ohos.data.rdb.d.ts
index e2317b1d94dc98aa1d913bd02426d9f652662a84..a85f2fcdff5b5c3829d24b41f1cccde1b7ae30cf 100644
--- a/api/@ohos.data.rdb.d.ts
+++ b/api/@ohos.data.rdb.d.ts
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 import {AsyncCallback, Callback} from './basic';
 import { ResultSet } from './data/rdb/resultSet';
 import Context from "./application/Context";
@@ -260,7 +261,7 @@ declare namespace rdb {
         sync(mode: SyncMode, predicates: RdbPredicates): Promise<Array<[string, number]>>;
 
         /**
-         * Registers a observer for the database. When data in the distributed database changes,
+         * Registers an observer for the database. When data in the distributed database changes,
          * the callback will be invoked.
          *
          * @note N/A
diff --git a/api/@ohos.data.storage.d.ts b/api/@ohos.data.storage.d.ts
index e0d4107e06d10319817f9d4e264863eb28240f50..86b8edd9defaaa5bafe788320cce9cdb08c4ec24 100644
--- a/api/@ohos.data.storage.d.ts
+++ b/api/@ohos.data.storage.d.ts
@@ -12,6 +12,7 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
+
 import { AsyncCallback, Callback } from './basic';
 
 /**
diff --git a/api/data/rdb/resultSet.d.ts b/api/data/rdb/resultSet.d.ts
index 2a6e45f99ef1932af9040098c854d21e7c3b4da2..7d985da9a553da38860cbf809be100185fbec5db 100755
--- a/api/data/rdb/resultSet.d.ts
+++ b/api/data/rdb/resultSet.d.ts
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 import { AsyncCallback } from '../../basic'
 
 /**