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 704eeb2f..cac86855 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
@@ -76,8 +76,11 @@ public class MultiLineGNSSCalcService {
             }
 
             // 处理d341
+            logger.info(deviceId + " D342 msg time: " + msgTime);
             lastD342Time.createTime = msgTime;
             lastD342Time.uploadTime = LocalDateTime.now();
+            logger.info(deviceId + " lastD342Time: " + lastD342Time.createTime);
+
             for(BaseMessage message: d342Message.getMessageList()){
                 D341LocationMessage d341Message = (D341LocationMessage)message;
                 calcService.calcSingle(d341Message, false);