diff --git a/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/autopilot/MoGoAutopilotControlProvider.kt b/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/autopilot/MoGoAutopilotControlProvider.kt
index 79e53dc4d6..e8bc3ae8eb 100644
--- a/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/autopilot/MoGoAutopilotControlProvider.kt
+++ b/core/function-impl/mogo-core-function-datacenter/src/main/java/com/mogo/eagle/core/function/datacenter/autopilot/MoGoAutopilotControlProvider.kt
@@ -408,6 +408,10 @@ class MoGoAutopilotControlProvider :
         AdasManager.getInstance().sendTrajectoryDownloadReq(autoPilotLine.toAutoPilotLine())
     }
 
+    override fun sendTrajectoryDownloadReq(autoPilotLine: AutopilotControlParameters.AutoPilotLine, downloadType: Int) {
+        AdasManager.getInstance().sendTrajectoryDownloadReq(autoPilotLine.toAutoPilotLine(), downloadType)
+    }
+
     override fun cancelAutoPilot() {
         if (AdasManager.getInstance().ipcConnectionStatus == Constants.IPC_CONNECTION_STATUS.CONNECTED) {
             AdasManager.getInstance().sendAutoPilotModeReq(0, 1, null)
diff --git a/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/autopilot/IMoGoAutopilotControlProvider.kt b/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/autopilot/IMoGoAutopilotControlProvider.kt
index fb3f4990d8..29ef4d612e 100644
--- a/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/autopilot/IMoGoAutopilotControlProvider.kt
+++ b/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/autopilot/IMoGoAutopilotControlProvider.kt
@@ -55,6 +55,11 @@ interface IMoGoAutopilotControlProvider : IMoGoFunctionServerProvider {
      */
     fun sendTrajectoryDownloadReq(autoPilotLine: AutopilotControlParameters.AutoPilotLine)
 
+    /**
+     * 发送 轨迹下载请求
+     * @param downloadType 下载类型: 0:正常下载 1:预下载
+     */
+    fun sendTrajectoryDownloadReq(autoPilotLine: AutopilotControlParameters.AutoPilotLine, downloadType: Int)
     /**
      * 结束自动驾驶
      */
diff --git a/core/mogo-core-function-call/src/main/java/com/mogo/eagle/core/function/call/autopilot/CallerAutoPilotControlManager.kt b/core/mogo-core-function-call/src/main/java/com/mogo/eagle/core/function/call/autopilot/CallerAutoPilotControlManager.kt
index 915c46d2ee..db83797db7 100644
--- a/core/mogo-core-function-call/src/main/java/com/mogo/eagle/core/function/call/autopilot/CallerAutoPilotControlManager.kt
+++ b/core/mogo-core-function-call/src/main/java/com/mogo/eagle/core/function/call/autopilot/CallerAutoPilotControlManager.kt
@@ -106,6 +106,16 @@ object CallerAutoPilotControlManager {
         }
     }
 
+    /**
+     * 发送 轨迹下载请求
+     * @param downloadType 下载类型: 0:正常下载 1:预下载
+     */
+    fun sendTrajectoryDownloadReq(autoPilotLine: AutopilotControlParameters.AutoPilotLine, downloadType: Int) {
+        if (AppIdentityModeUtils.isDriver(FunctionBuildConfig.appIdentityMode)) {
+            providerApi?.sendTrajectoryDownloadReq(autoPilotLine, downloadType)
+        }
+    }
+
     /**
      * 结束自动驾驶
      */
diff --git a/libraries/mogo-adas-data/src/main/proto/message_pad.proto b/libraries/mogo-adas-data/src/main/proto/message_pad.proto
index 72bc9e8532..c54fbd3545 100644
--- a/libraries/mogo-adas-data/src/main/proto/message_pad.proto
+++ b/libraries/mogo-adas-data/src/main/proto/message_pad.proto
@@ -253,6 +253,7 @@ message TrajectoryDownloadReq
 {
     Line line = 1; //路线
     uint32 source = 2; //指令来源: 0: default, 1:pad, 2:aicloud
+    uint32 downloadType = 3; //下载类型: 0:正常下载 1:预下载
 }
 
 // message definition for MessageType: MsgTypeBasicInfoReq
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 100b37c721..623a821b63 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
@@ -1090,7 +1090,8 @@ public class AdasChannel implements IAdasNetCommApi, FpgaSocket.IWebSocketConnec
     /**
      * 发送 轨迹下载请求
      *
-     * @param line 线路相关参数详情见PB message_pad.proto -> Line
+     * @param line         线路相关参数详情见PB message_pad.proto -> Line
+     * @param downloadType 下载类型: 0:正常下载 1:预下载
      * @return boolean
      */
     @ChainLog(
@@ -1100,10 +1101,13 @@ public class AdasChannel implements IAdasNetCommApi, FpgaSocket.IWebSocketConnec
             paramIndexes = {0}
     )
     @Override
-    public boolean sendTrajectoryDownloadReq(MessagePad.Line line) {
+    public boolean sendTrajectoryDownloadReq(MessagePad.Line line, int downloadType) {
         MessagePad.TrajectoryDownloadReq.Builder builder = MessagePad.TrajectoryDownloadReq.newBuilder();
         builder.setSource(1);//指令来源: 0: default, 1:pad, 2:aicloud
         builder.setLine(line);
+        if (downloadType > -1) {
+            builder.setDownloadType(downloadType);
+        }
         MessagePad.TrajectoryDownloadReq req = builder.build();
         return sendPBMessage(MessageType.TYPE_SEND_TRAJECTORY_DOWNLOAD_REQ.typeCode, req.toByteArray());
     }
diff --git a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasManager.java b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasManager.java
index cf5f5479b0..d15953ae0e 100644
--- a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasManager.java
+++ b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/AdasManager.java
@@ -514,9 +514,20 @@ public class AdasManager implements IAdasNetCommApi {
      * @param line 线路相关参数详情见PB message_pad.proto -> Line
      * @return boolean
      */
-    @Override
     public boolean sendTrajectoryDownloadReq(MessagePad.Line line) {
-        return mChannel != null && mChannel.sendTrajectoryDownloadReq(line);
+        return mChannel != null && mChannel.sendTrajectoryDownloadReq(line, -1);
+    }
+
+    /**
+     * 发送 轨迹下载请求
+     *
+     * @param line         线路相关参数详情见PB message_pad.proto -> Line
+     * @param downloadType 下载类型: 0:正常下载 1:预下载
+     * @return boolean
+     */
+    @Override
+    public boolean sendTrajectoryDownloadReq(MessagePad.Line line, int downloadType) {
+        return mChannel != null && mChannel.sendTrajectoryDownloadReq(line, downloadType);
     }
 
     /**
diff --git a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/IAdasNetCommApi.java b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/IAdasNetCommApi.java
index 8aaa04d20c..e0f4ed0d09 100644
--- a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/IAdasNetCommApi.java
+++ b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/IAdasNetCommApi.java
@@ -251,10 +251,11 @@ public interface IAdasNetCommApi {
     /**
      * 发送 轨迹下载请求
      *
-     * @param line 线路相关参数详情见PB message_pad.proto -> Line
+     * @param line         线路相关参数详情见PB message_pad.proto -> Line
+     * @param downloadType 下载类型: 0:正常下载 1:预下载
      * @return 加入WS发送消息队列是否成功
      */
-    boolean sendTrajectoryDownloadReq(MessagePad.Line line);
+    boolean sendTrajectoryDownloadReq(MessagePad.Line line, int downloadType);
 
     /**
      * 发送 状态查询请求