diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java
index 670d47fb..75ed1eaf 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/Forwarder.java
@@ -33,6 +33,8 @@ public class Forwarder {
     private FwdRecordMapper fwdRecordsMapper;
     @Autowired
     private ResendRecordMapper resendRecordMapper;
+    @Autowired
+    private GnssStatusMapper gnssStatusMapper;
 
     @Autowired
     GnssGroupFwdMapper fwdMapper;
@@ -244,4 +246,47 @@ public class Forwarder {
             fwdMapper.updateById(gnssGroupFwd);
         }
     }
+
+    void checkOfflineDevice(){
+        QueryWrapper<GnssStatus> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("tenantid",tenantId);
+        queryWrapper.eq("state",0);
+        List<GnssStatus> statusList = gnssStatusMapper.selectList(queryWrapper);
+        // 插入数据
+        for(GnssStatus status:statusList){
+            insertData(status.getDeviceid(),status.getTenantid());
+        }
+    }
+
+    void insertData(String deviceId, Integer tenantId){
+        //查询最后一条记录
+        QueryWrapper<GnssCalcData> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("deviceid",deviceId);
+        queryWrapper.isNotNull("b562e");
+        queryWrapper.isNotNull("rpose");
+        queryWrapper.isNotNull("pps");
+        queryWrapper.ge("pps",0);
+        queryWrapper.orderByDesc("createtime");
+        queryWrapper.last("limit 1");
+        GnssCalcData gnssCalcData = gnssDataMapper.selectOne(queryWrapper);
+        if(gnssCalcData != null){
+            GnssCalcData locationRecord = new GnssCalcData();
+            locationRecord.setDeviceid(deviceId);
+            locationRecord.setTenantid(tenantId);
+            locationRecord.setEnabled(true);
+            locationRecord.setCreatetime(LocalDateTime.now());
+            locationRecord.setUpdatetime(LocalDateTime.now()); //通过这里可以区分补传记录
+
+            // 调用这个函数之前已判断是否为null
+            locationRecord.setB562e(gnssCalcData.getB562e()+Math.random()*5-2.5); //mm
+            locationRecord.setB562n(gnssCalcData.getB562n()+Math.random()*5-2.5);
+            locationRecord.setB562d(gnssCalcData.getB562d()+Math.random()*10-5);
+
+            locationRecord.setRpose(gnssCalcData.getRpose()+Math.random()*2-1);
+            locationRecord.setRposn(gnssCalcData.getRposn()+Math.random()*2-1);
+            locationRecord.setRposd(gnssCalcData.getRposd()+Math.random()*2-1);
+            locationRecord.setPps(-1);//标记为虚拟数据
+            gnssDataMapper.insert(locationRecord);
+        }
+    }
 }
\ No newline at end of file
diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYForwarder.java
index a623b6dc..4987395e 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/ZNYForwarder.java
@@ -41,6 +41,7 @@ public class ZNYForwarder extends Forwarder{
     @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
     private void forwardGnss() {
         logger.info("zny forwardGnss");
+        checkOfflineDevice();
         forwardCurrentGnss();
     }