diff --git a/df_datalink_sp/src/systembus/systembus.c b/df_datalink_sp/src/systembus/systembus.c
index dca40b5..0222a36 100644
--- a/df_datalink_sp/src/systembus/systembus.c
+++ b/df_datalink_sp/src/systembus/systembus.c
@@ -472,12 +472,14 @@ int32_t SystemBus_HandleCmd(SYSBUS *instPtr)
 	{
 		SysMonitor_UpdateSendPayload(data + FLJ_DATA_OFFSET, PAYLOAD_LEN_FLJ_TX); // omit control info
 		instPtr->sysbusLog.svcCnt++;
+		Status = SUCCESS;
 		break;
 	}
 	case CMD_LJ_SEND:
 	{
 		SysMonitor_UpdateSendPayload(data + LJ_DATA_OFFSET, PAYLOAD_LEN_LJ_TX); // omit control info
 		instPtr->sysbusLog.svcCnt++;
+		Status = SUCCESS;
 		break;
 	}
 	case CMD_FLJ_POLL:
@@ -643,6 +645,7 @@ int32_t SystemBus_HandleCmd(SYSBUS *instPtr)
 	default:
 	{
 		DBG_ERROR("SystemBus::Unknown command code!\n");
+		Status = FAILURE;
 		break;
 	}
 	}