diff --git a/arkts/@arkts.lang.d.ets b/arkts/@arkts.lang.d.ets
index b279848dcad78a744c0e6eb4a6ac08bb5c8697a1..5ea5c8b6724c887f5461c0138caac624e736d735 100644
--- a/arkts/@arkts.lang.d.ets
+++ b/arkts/@arkts.lang.d.ets
@@ -10,6 +10,7 @@
  * 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.
  */
 
@@ -24,6 +25,8 @@
  * @namespace lang
  * @syscap SystemCapability.Utils.Lang
  * @atomicservice
+
+
  * @since 12
  */
 /**
@@ -35,7 +38,8 @@
  * @atomicservice
  * @since 18
  */
-declare namespace lang {
+declare namespace lang   {
+
   /**
    * Base interface for all Sendable classes/interfaces.
    *