diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/GNSSCalcFilterService.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/GNSSCalcFilterService.java
index a6caaba9..2b2fb541 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/GNSSCalcFilterService.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/GNSSCalcFilterService.java
@@ -337,14 +337,14 @@ public class GNSSCalcFilterService {
     public double[] calcFilterValueByLastDay(GnssCalcData curCalcData, GnssGroupCalc groupCalc,
                                              double xyCompressRate, double zCompressRate){
         LocalDateTime now = curCalcData.getCreatetime();
-        LocalDateTime beginTime = now.minusHours(25);
+        LocalDateTime beginTime = now.minusHours(48);
         QueryWrapper<GnssCalcData> query = new QueryWrapper<>();
         query.eq("deviceid", curCalcData.getDeviceid());
         query.ge("createtime", beginTime);
         query.orderByAsc("createtime");
 
         List<GnssCalcData> calcDataList = repository.selectList(query);
-        if(calcDataList.size()<16*6) return null; //至少有2/3的时间有固定解
+        if(calcDataList.size()<24*6) return null; //至少有2/3的时间有固定解
         else{//周期至少24小时
             if(calcDataList.get(0).getCreatetime().isAfter(now.minusHours(24))) return null;
         }
@@ -353,18 +353,7 @@ public class GNSSCalcFilterService {
         double e = avgPoint(calcDataList, GnssCalcData::getB562e);
         double n = avgPoint(calcDataList, GnssCalcData::getB562n);
         double u = avgPoint(calcDataList, GnssCalcData::getB562d);
-
-        // 比较是否是好点
-        if(Math.abs(e-curCalcData.getB562e())*xyCompressRate<=groupCalc.getXy_threshold() &&
-                Math.abs(n-curCalcData.getB562n())*xyCompressRate<=groupCalc.getXy_threshold()&&
-                Math.abs(u-curCalcData.getB562d())*zCompressRate<=groupCalc.getZ_threshold()){
-            curCalcData.setEnabled(true);
-            curCalcData.setRpose(NumberUtils.scaleTwo(e));
-            curCalcData.setRposn(NumberUtils.scaleTwo(n));
-            curCalcData.setRposd(NumberUtils.scaleTwo(u));
-            return new double[]{e,n,u};
-        }
-        return null;
+        return new double[]{e,n,u};
     }
 
     double avgPoint(List<GnssCalcData> points, Function<GnssCalcData, Double> getFunction){
diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/SingleLineGNSSCalcService.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/SingleLineGNSSCalcService.java
index 72ee3bcc..ecad7ec2 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/SingleLineGNSSCalcService.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/calc/SingleLineGNSSCalcService.java
@@ -244,10 +244,13 @@ public class SingleLineGNSSCalcService implements GNSSDataCalcService {
                 }
                 //检查过去24小时是否有有效解，如果没有，用24小时固定解求一个均值作为
                 else if(focusCalculator.getReferPoint() == null){
-                    double[] avgEnu = gnssCalcFilterService.calcFilterValueByLastDay(locationRecord, groupCalc,0.2,0.1);
-                    logger.info("{} calc 24 hours filtered pos",deviceId);
-                    if(avgEnu != null){
-                        ((FocusCalculator6)focusCalculator).setOriginalReferPoint(avgEnu);
+                    if(latestRpos != null) focusCalculator.setReferPoint(latestRpos);
+                    else {
+                        double[] avgEnu = gnssCalcFilterService.calcFilterValueByLastDay(locationRecord, groupCalc, 0.2, 0.1);
+                        logger.info("{} calc 24 hours filtered pos", deviceId);
+                        if (avgEnu != null) {
+                            ((FocusCalculator6) focusCalculator).setOriginalReferPoint(avgEnu);
+                        }
                     }
                 }
             }