diff --git a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasChannel.java b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasChannel.java
index 9e21e960fe..554c2e6774 100644
--- a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasChannel.java
+++ b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasChannel.java
@@ -1113,6 +1113,7 @@ public class AdasChannel implements IAdasNetCommApi, FpgaSocket.IWebSocketConnec
     @Override
     public boolean sendTrajectoryDownloadReq(MessagePad.Line line) {
         MessagePad.TrajectoryDownloadReq.Builder builder = MessagePad.TrajectoryDownloadReq.newBuilder();
+        builder.setSource(1);//指令来源: 0: default, 1:pad, 2:aicloud
         builder.setLine(line);
         MessagePad.TrajectoryDownloadReq req = builder.build();
         return sendPBMessage(MessageType.TYPE_SEND_TRAJECTORY_DOWNLOAD_REQ.typeCode, req.toByteArray());