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 4ff11250..aeb28c25 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
@@ -38,7 +38,7 @@ public class ZNYForwarder extends Forwarder{
     private void checkDevice() {
         //logger.info("zny checkDevice");
         checkNoDataDevice("2345078","2345065","2345073");
-        checkNoDataDevice("2345085","2345068","2345075");
+        //checkNoDataDevice("2345085","2345068","2345075");
     }
 
     @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/task/AbnormalDeviceProcessor.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/task/AbnormalDeviceProcessor.java
new file mode 100644
index 00000000..a303057d
--- /dev/null
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/task/AbnormalDeviceProcessor.java
@@ -0,0 +1,142 @@
+package com.imdroid.sideslope.task;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.imdroid.secapi.dto.*;
+import com.imdroid.sideslope.calc.GNSSCalcFilterService;
+import com.imdroid.sideslope.sal.Device;
+import com.imdroid.sideslope.sal.DeviceService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Component
+@Configuration
+@EnableScheduling
+public class AbnormalDeviceProcessor{
+    final Logger logger = LoggerFactory.getLogger(AbnormalDeviceProcessor.class);
+    @Autowired
+    private GnssCalcDataMapper gnssDataMapper;
+    @Autowired
+    private GnssStatusMapper gnssStatusMapper;
+    @Autowired
+    GNSSCalcFilterService filterService;
+    @Resource(name = "local")
+    private DeviceService deviceService;
+
+    @Autowired
+    GnssGroupCalcMapper groupCalcMapper;
+    @Autowired
+    GnssCalcDataMapper dataMapper;
+
+    // 非线程安全，需加同步保护
+    List<GnssGroupCalc> groupCalcList;
+
+    synchronized GnssGroupCalc getGroupCalc(int groupId){
+        if(groupCalcList == null){
+            groupCalcList = groupCalcMapper.selectList(null);
+        }
+        if(groupCalcList != null){
+            for(GnssGroupCalc groupCalc:groupCalcList){
+                if(groupCalc.getId() == groupId) return groupCalc;
+            }
+        }
+        return null;
+    }
+
+    @Scheduled(cron = "0 0/10 * * * ?") // 每30分钟执行一次
+    private void checkDevice() {
+        //logger.info("zny checkDevice");
+        //checkNoDataDevice("2345078","2345065","2345073");
+        checkNoDataDevice("2345085","2345068","2345075");
+    }
+
+    void checkNoDataDevice(String noDataDeviceId, String refDeviceId1, String refDeviceId2){
+        LocalDateTime now = LocalDateTime.now();
+        QueryWrapper<GnssCalcData> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("deviceid",noDataDeviceId);
+        queryWrapper.eq("enabled",true);
+        queryWrapper.isNotNull("rpose");
+        queryWrapper.ne("pps",-1);
+        queryWrapper.ge("createtime",now.minusMinutes(30));
+        queryWrapper.last("limit 1");
+
+        if(gnssDataMapper.selectOne(queryWrapper) != null) {
+            return;
+        }
+
+        // only handle online device
+        GnssStatus noDataDevice = gnssStatusMapper.getByDeviceId(noDataDeviceId);
+        if(noDataDevice == null || noDataDevice.getState() == GnssStatus.STATE_OFFLINE) return;
+        GnssStatus refDevice1 = gnssStatusMapper.getByDeviceId(refDeviceId1);
+        if(refDevice1 == null || refDevice1.getState() == GnssStatus.STATE_OFFLINE) return;
+        GnssStatus refDevice2 = gnssStatusMapper.getByDeviceId(refDeviceId2);
+        if(refDevice2 == null || refDevice2.getState() == GnssStatus.STATE_OFFLINE) return;
+
+        insertData(noDataDeviceId, getOriginalDelta(refDeviceId1), getOriginalDelta(refDeviceId2));
+    }
+
+    double[] getOriginalDelta(String refDeviceId) {
+        QueryWrapper<GnssCalcData> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("deviceid",refDeviceId);
+        queryWrapper.eq("enabled",true);
+        queryWrapper.isNotNull("rpose");
+        queryWrapper.orderByDesc("createtime");
+        queryWrapper.last("limit 2");
+        List<GnssCalcData> refGnssCalcDataList = gnssDataMapper.selectList(queryWrapper);
+        if(refGnssCalcDataList.size()>=2) {
+            double deltaOrignalE = refGnssCalcDataList.get(0).getB562e() - refGnssCalcDataList.get(1).getB562e();
+            double deltaOrignalN = refGnssCalcDataList.get(0).getB562n() - refGnssCalcDataList.get(1).getB562n();
+            double deltaOrignalD = refGnssCalcDataList.get(0).getB562d() - refGnssCalcDataList.get(1).getB562d();
+            return new double[]{deltaOrignalE, deltaOrignalN, deltaOrignalD};
+        }
+        return null;
+    }
+
+    void insertData(String noDataDeviceId,double refGnssData1[],double refGnssData2[]){
+        logger.debug("{} abnormal process");
+        if(refGnssData1!=null && refGnssData2!=null){
+            logger.debug("{} delta: {},{},{}",
+                    (refGnssData1[0]+refGnssData2[0])/2,
+                    (refGnssData1[1]+refGnssData2[1])/2,
+                    (refGnssData1[2]+refGnssData2[2])/2);
+
+            QueryWrapper<GnssCalcData> queryWrapper = new QueryWrapper<>();
+            queryWrapper.eq("deviceid",noDataDeviceId);
+            queryWrapper.orderByDesc("createtime");
+            queryWrapper.last("limit 1");
+            GnssCalcData offGnssCalcData = gnssDataMapper.selectOne(queryWrapper);
+            if(offGnssCalcData==null) return;
+
+            double[] lastPoit = new double[]{offGnssCalcData.getB562e(),
+                    offGnssCalcData.getB562n(), offGnssCalcData.getB562d()};
+
+            Device device = deviceService.findByDeviceId(noDataDeviceId);
+            if(device == null) return;
+            GnssGroupCalc groupCalc = getGroupCalc(device.getCalcGroupId());
+
+            GnssCalcData locationRecord = new GnssCalcData();
+            locationRecord.setDeviceid(noDataDeviceId);
+            locationRecord.setTenantid(device.getTenantId());
+            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(offGnssCalcData.getB562e()+(refGnssData1[0]+refGnssData2[0])/2); //mm
+            locationRecord.setB562n(offGnssCalcData.getB562n()+(refGnssData1[1]+refGnssData2[1])/2);
+            locationRecord.setB562d(offGnssCalcData.getB562d()+(refGnssData1[2]+refGnssData2[2])/2);
+
+            locationRecord.setPps(-1);//标记为虚拟数据
+            filterService.calc(device, groupCalc, locationRecord, lastPoit);
+        }
+    }
+
+}