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 0f8ba076..c9068ec1 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
@@ -159,13 +159,14 @@ 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,0);
+        List<GnssCalcData> calcDataList = getLastTwo(deviceId,12);
         if(calcDataList.size() < 2) return;
-        if(calcDataList.get(0).getCreatetime().isBefore(validTime)) return;
+        //if(calcDataList.get(0).getCreatetime().isBefore(validTime)) return;
         // 参考点
         double deltaU = (Math.random()*2-1)/10;
         List<GnssCalcData> calcDataList1 = getLastTwo(refDeviceId1,12);
         if(calcDataList1.size()==2){
+            // 如果参考点的解算结果不是最新的就不要用，否则可能会导致delta值不变
             if(calcDataList1.get(0).getCreatetime().isAfter(validTime)){
                 deltaU = calcDataList1.get(0).getRposd() - calcDataList1.get(1).getRposd();
             }