diff --git a/interfaces/inner_api/include/bluetooth_a2dp_snk.h b/interfaces/inner_api/include/bluetooth_a2dp_snk.h
index 7455d24b9a782737cc41b2c5ca642ec0c87e5f41..478585bf9f5b8f3100a376673bc809e1c4d67d12 100644
--- a/interfaces/inner_api/include/bluetooth_a2dp_snk.h
+++ b/interfaces/inner_api/include/bluetooth_a2dp_snk.h
@@ -13,6 +13,9 @@
  * limitations under the License.
  */
 
+
+
+
 /**
  * @addtogroup Bluetooth
  * @{