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
index 21ca3a6a..9f87abf1 100644
--- 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
@@ -143,13 +143,13 @@ public class AbnormalDeviceProcessor{
         }
     }
 
-    List<GnssCalcData> getLastTwo(String deviceId){
+    List<GnssCalcData> getLastTwo(String deviceId,long hours){
         LocalDateTime now = LocalDateTime.now();
         QueryWrapper<GnssCalcData> queryWrapper = new QueryWrapper<>();
         queryWrapper.eq("deviceid",deviceId);
         queryWrapper.eq("enabled",true);
         queryWrapper.isNotNull("rpose");
-        queryWrapper.ge("createtime",now.minusHours(2));
+        if(hours>0) queryWrapper.ge("createtime",now.minusHours(hours));
         queryWrapper.orderByDesc("createtime");
         queryWrapper.last("limit 2");
 
@@ -159,23 +159,20 @@ public class AbnormalDeviceProcessor{
     void checkNotGoodDevice(String deviceId, String refDeviceId1){
         LocalDateTime validTime = LocalDateTime.now().minusMinutes(10);
         // 待修改的点
-        List<GnssCalcData> calcDataList = getLastTwo(deviceId);
-        if(calcDataList.size() == 2){
-            if(calcDataList.get(0).getCreatetime().isBefore(validTime)) return;
-        }
-        else return;
+        List<GnssCalcData> calcDataList = getLastTwo(deviceId,0);
+        if(calcDataList.size() < 2) return;
+        if(calcDataList.get(0).getCreatetime().isBefore(validTime)) return;
         // 参考点
-        List<GnssCalcData> calcDataList1 = getLastTwo(refDeviceId1);
+        double deltaU = (Math.random()*2-1)/10;
+        List<GnssCalcData> calcDataList1 = getLastTwo(refDeviceId1,12);
         if(calcDataList1.size()==2){
-            double deltaU = 0;
-            if(calcDataList1.get(0).getCreatetime().isBefore(validTime)){
-                deltaU = (Math.random()*2-1)/10;
+            if(calcDataList1.get(0).getCreatetime().isAfter(validTime)){
+                deltaU = calcDataList1.get(0).getRposd() - calcDataList1.get(1).getRposd();
             }
-            else deltaU = calcDataList1.get(0).getRposd() - calcDataList1.get(1).getRposd();
-            GnssCalcData calcData = calcDataList.get(0);
-            calcData.setRposd(calcDataList.get(1).getRposd()+deltaU);
-            gnssDataMapper.updateById(calcData);
         }
+        GnssCalcData calcData = calcDataList.get(0);
+        calcData.setRposd(calcDataList.get(1).getRposd()+deltaU);
+        gnssDataMapper.updateById(calcData);
    }
 
 }