diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/MultiLineGNSSCalcService.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/MultiLineGNSSCalcService.java
index 9c8f72bd..4a59be78 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/MultiLineGNSSCalcService.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/MultiLineGNSSCalcService.java
@@ -64,7 +64,7 @@ public class MultiLineGNSSCalcService {
                 lastD342Time = new D342Time();
                 deviceMap.put(deviceId, lastD342Time);
                 // 产生断点补传通知
-                beidouClient.onGnssUpload(deviceId, d342Message.getTenantId(), msgTime);
+                beidouClient.onGnssUpload(deviceId, d342Message.getTenantId(), msgTime, "session begin");
                 GnssStatus gnssStatus = dataPersistService.getDeviceState(deviceId);
                 if (gnssStatus != null) {
                     gnssStatus.setUpdatetime(LocalDateTime.now());