diff --git a/foudations/mogo-base-websocket-sdk/src/main/java/com/mogo/base/websocket/WebSocketManager.java b/foudations/mogo-base-websocket-sdk/src/main/java/com/mogo/base/websocket/WebSocketManager.java
index 948b9d5208..642645d516 100644
--- a/foudations/mogo-base-websocket-sdk/src/main/java/com/mogo/base/websocket/WebSocketManager.java
+++ b/foudations/mogo-base-websocket-sdk/src/main/java/com/mogo/base/websocket/WebSocketManager.java
@@ -21,7 +21,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-import static com.mogo.service.connection.WebSocketMsgType.MSG_TYPE_SERVER;
+import static com.mogo.service.connection.WebSocketMsgType.MSG_TYPE_DOWNLINK_CAR_DATA;
 
 @Keep
 public class WebSocketManager implements IMogoWebSocketManager, ISocketMsgSetting, ISocketMsgCallBack {
@@ -136,7 +136,7 @@ public class WebSocketManager implements IMogoWebSocketManager, ISocketMsgSettin
         int msgType = webSocketData.getMsgType();
         Logger.d(TAG, "websocket received msg type = %d", msgType);
         //服务端下发数据返回，上传数据回执默认不返回
-        if (msgType == MSG_TYPE_SERVER.getMsgType()) {
+        if (msgType == MSG_TYPE_DOWNLINK_CAR_DATA.getMsgType()) {
             List<IMogoOnWebSocketMessageListener> listeners = mListeners.get(msgType);
             if (listeners != null && !listeners.isEmpty()) {
                 Iterator<IMogoOnWebSocketMessageListener> iterator = listeners.iterator();
diff --git a/services/mogo-service-api/src/main/java/com/mogo/service/connection/IMogoOnWebSocketMessageListener.java b/services/mogo-service-api/src/main/java/com/mogo/service/connection/IMogoOnWebSocketMessageListener.java
index fb3bcb0769..d78e830f3f 100644
--- a/services/mogo-service-api/src/main/java/com/mogo/service/connection/IMogoOnWebSocketMessageListener.java
+++ b/services/mogo-service-api/src/main/java/com/mogo/service/connection/IMogoOnWebSocketMessageListener.java
@@ -7,7 +7,11 @@ public interface IMogoOnWebSocketMessageListener< T > {
 
     WebSocketMsgType getType();
 
-    void onMsgReceived(T obj);
+    default void onMsgReceived(T obj){
 
-    void onError(String errorMsg);
+    }
+
+    default void onError(String errorMsg){
+
+    }
 }
diff --git a/services/mogo-service-api/src/main/java/com/mogo/service/connection/WebSocketMsgType.java b/services/mogo-service-api/src/main/java/com/mogo/service/connection/WebSocketMsgType.java
index 5718ac44bc..b0a113d31d 100644
--- a/services/mogo-service-api/src/main/java/com/mogo/service/connection/WebSocketMsgType.java
+++ b/services/mogo-service-api/src/main/java/com/mogo/service/connection/WebSocketMsgType.java
@@ -2,9 +2,8 @@ package com.mogo.service.connection;
 
 public enum WebSocketMsgType {
 
-    MSG_TYPE_SELF(0,"自车数据"),
-    MSG_TYPE_ADAS(1,"ADAS数据"),
-    MSG_TYPE_SERVER(2,"服务端下发车辆信息");
+    MSG_TYPE_UPLINK_CAR_DATA(0,"自车与ADAS数据"),
+    MSG_TYPE_DOWNLINK_CAR_DATA(1,"服务端下发车辆信息");
 
     private int msgType;
     private String msg;