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 25938c4a..a4408cd3 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
@@ -43,10 +43,8 @@ public class MultiLineGNSSCalcService {
         int d341Count = d342Message.getMessageList().size();
         if(msgTime!=null) logger.info("proc D342: "+msgTime+" D341 num: "+d341Count);
 
-        // 如果序号为0（有可能丢失，改为lastDate==null），则创建一条转发记录表
-        //if(d342Message.getSeq() == 0 && d342Message.getProjectId()!=null){
-        if(lastDate == null && d342Message.getProjectId()!=null){
-            createFwdReord(d342Message);
+        // 如果序号为0（有可能丢失，改为lastDate==null且包含的d341数大于0），则认为是第一条补传记录
+        if(lastDate == null && d341Count>0){
             // 产生继续补传通知
             beidouClient.onGnssUpload(deviceId,d342Message.getTenantId(), msgTime);
             GnssStatus gnssStatus = dataPersistService.getDeviceState(deviceId);
@@ -55,8 +53,11 @@ public class MultiLineGNSSCalcService {
                 gnssStatus.setState(GnssStatus.STATE_UPLOADING);
                 dataPersistService.updateDeviceState(gnssStatus);
             }
+            // 生成推送记录
+            createFwdReord(d342Message);
         }
 
+        // 一个周期数据的处理
         if(lastDate != null){
             if(d341Count == 0){//补传结束指示
                 // 计算上轮结果
@@ -102,7 +103,9 @@ public class MultiLineGNSSCalcService {
     void createFwdReord(D342LocationMessage d342Message){
         String deviceId = d342Message.getId();
         // 查找这个设备是否有项目号
-        if(d342Message.getFwdId()==null || d342Message.getFwdId().equals(GnssGroupFwd.FWD_TYPE_NONE)) return;
+        if(d342Message.getFwdId()==null ||
+                d342Message.getFwdId().length() ==0 ||
+                d342Message.getFwdId().equals(GnssGroupFwd.FWD_TYPE_NONE)) return;
 
         FwdRecord fwdRecord = new FwdRecord();
         fwdRecord.setDeviceid(deviceId);