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 75ed1eaf..6c4ea066 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
@@ -259,14 +259,15 @@ public class Forwarder {
     }
 
     void insertData(String deviceId, Integer tenantId){
-        //查询最后一条记录
+        //查询26小时前的最后一条记录
+        LocalDateTime selectTime = LocalDateTime.now().minusHours(26);
         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.eq("enabled",true);
+        queryWrapper.ge("createtime",selectTime.format(formatter));
+        queryWrapper.orderByAsc("createtime");
         queryWrapper.last("limit 1");
         GnssCalcData gnssCalcData = gnssDataMapper.selectOne(queryWrapper);
         if(gnssCalcData != null){
@@ -282,9 +283,9 @@ public class Forwarder {
             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.setRpose(gnssCalcData.getRpose()+Math.random()*0.2-0.1); //-0.15~0.15
+            locationRecord.setRposn(gnssCalcData.getRposn()+Math.random()*0.2-0.1);//-0.15~0.15
+            locationRecord.setRposd(gnssCalcData.getRposd()+Math.random()*0.4-0.2);//-0.3~0.3
             locationRecord.setPps(-1);//标记为虚拟数据
             gnssDataMapper.insert(locationRecord);
         }