diff --git a/sec-api/src/main/java/com/imdroid/secapi/client/BeidouClient.java b/sec-api/src/main/java/com/imdroid/secapi/client/BeidouClient.java
index 0d8ee97b..13238a03 100644
--- a/sec-api/src/main/java/com/imdroid/secapi/client/BeidouClient.java
+++ b/sec-api/src/main/java/com/imdroid/secapi/client/BeidouClient.java
@@ -38,6 +38,7 @@ public interface BeidouClient {
 
     @PostMapping("/gnss_upload_complete")
     String onGnssUploadComplete(@RequestParam(name = "deviceId") String deviceId,
-                                @RequestParam(name = "tenantId") Integer tenantId);
+                                @RequestParam(name = "tenantId") Integer tenantId,
+                                @RequestParam(name = "uploadTime") LocalDateTime uploadTime);
 
 }
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 4a59be78..844cc533 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
@@ -107,12 +107,12 @@ public class MultiLineGNSSCalcService {
         }
         // 移除记录、发完成指示、更新设备状态
         deviceMap.remove(deviceId);
-        beidouClient.onGnssUploadComplete(deviceId,tenantId);
         GnssStatus gnssStatus = dataPersistService.getDeviceState(deviceId);
         if(gnssStatus!=null){
             gnssStatus.setState(GnssStatus.STATE_IDLE);
             dataPersistService.updateDeviceState(gnssStatus);
         }
+        beidouClient.onGnssUploadComplete(deviceId,tenantId, lastDate);
     }
 
     void createFwdReord(D342LocationMessage d342Message){
@@ -142,6 +142,7 @@ public class MultiLineGNSSCalcService {
             LocalDateTime nowTime = LocalDateTime.now();
             if(lastD342Time.uploadTime.isBefore(nowTime.minusMinutes(30))){
                 d342SessionDone(deviceId,tenantId,lastD342Time.createTime);
+                logger.info("upload broken for half hour, end session");
                 return null;
             }
             return lastD342Time.createTime;
diff --git a/sec-beidou/src/main/java/com/imdroid/beidou/controller/APIController.java b/sec-beidou/src/main/java/com/imdroid/beidou/controller/APIController.java
index b177496d..0a2cf6f8 100644
--- a/sec-beidou/src/main/java/com/imdroid/beidou/controller/APIController.java
+++ b/sec-beidou/src/main/java/com/imdroid/beidou/controller/APIController.java
@@ -146,8 +146,8 @@ public class APIController extends BasicController{
 
     @PostMapping(value = "/api/gnss_upload_complete")
     @ResponseBody
-    public String onGnssUploadComplete(String deviceId, Integer tenantId) {
-        saveMsg(deviceId, tenantId,0xd342, "gnss data upload completely",false);
+    public String onGnssUploadComplete(String deviceId, Integer tenantId, LocalDateTime uploadTime) {
+        saveMsg(deviceId, tenantId,0xd342, "gnss data upload completely at "+uploadTime,false);
         return null;
     }