diff --git a/internal/pkg/core/l2oam/msg_after_keep_alive.go b/internal/pkg/core/l2oam/msg_after_keep_alive.go
index 4772e11..f93ee5c 100644
--- a/internal/pkg/core/l2oam/msg_after_keep_alive.go
+++ b/internal/pkg/core/l2oam/msg_after_keep_alive.go
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package l2oam
 
 import (
diff --git a/internal/pkg/core/l2oam/msg_generic_action_create_req.go b/internal/pkg/core/l2oam/msg_generic_action_create_req.go
index 766d1a1..8e99a75 100644
--- a/internal/pkg/core/l2oam/msg_generic_action_create_req.go
+++ b/internal/pkg/core/l2oam/msg_generic_action_create_req.go
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package l2oam
 
 import (
diff --git a/internal/pkg/core/l2oam/msg_pcscompu_tibitcom.go b/internal/pkg/core/l2oam/msg_pcscompu_tibitcom.go
index 80e7d18..5c1b212 100644
--- a/internal/pkg/core/l2oam/msg_pcscompu_tibitcom.go
+++ b/internal/pkg/core/l2oam/msg_pcscompu_tibitcom.go
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package l2oam
 
 import (
diff --git a/internal/pkg/core/l2oam/msg_set_request_saved.go b/internal/pkg/core/l2oam/msg_set_request_saved.go
index 6869a79..5c4f190 100644
--- a/internal/pkg/core/l2oam/msg_set_request_saved.go
+++ b/internal/pkg/core/l2oam/msg_set_request_saved.go
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package l2oam
 
 import (
diff --git a/internal/pkg/core/l2oam_device.go b/internal/pkg/core/l2oam_device.go
index 76b548f..6e1455b 100644
--- a/internal/pkg/core/l2oam_device.go
+++ b/internal/pkg/core/l2oam_device.go
@@ -3314,9 +3314,10 @@
 	if (l2oam.OnuPkgType == l2oam.OnuPkgTypeA) && (packet.IsOnuPkgA()) {
 		logger.Info(context.Background(), fmt.Sprintf("[%s] recieveKeepAlive() Pkg type A.", d.getDeviceName()))
 		if d.keepAliveResponse != nil {
-			d.keepAliveResponse <- "PkgTypeError"
+			//d.keepAliveResponse <- "PkgTypeError"
+			d.keepAliveResponse <- "success"
 		}
-		// d.Base.recieveKeepAlive(etherPacket)
+		d.Base.recieveKeepAlive(etherPacket)
 		d.PkgType = l2oam.OnuPkgTypeA
 	} else if (l2oam.OnuPkgType == l2oam.OnuPkgTypeB) && (packet.IsOnuPkgB()) {
 		logger.Info(context.Background(), fmt.Sprintf("[%s] recieveKeepAlive() Pkg type B.", d.getDeviceName()))
diff --git a/internal/pkg/core/l2oam_oltctl.go b/internal/pkg/core/l2oam_oltctl.go
index 10f9f76..4126ee2 100644
--- a/internal/pkg/core/l2oam_oltctl.go
+++ b/internal/pkg/core/l2oam_oltctl.go
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package core
 
 import (