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 1bf1e79a..0013d0cb 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
@@ -166,7 +166,7 @@ public class GNSSCalcFilterService {
                     newRecord.setAuxn(NumberUtils.scaleTwo(msumN / minCount));
                     newRecord.setAuxd(NumberUtils.scaleTwo(msumD / minCount));
                     //滤波窗口里的时间跨度超过滤波时间的2/3才认为稳定
-                    newRecord.setStabled(lastRecordTime.isBefore(newRecordTime.minusHours(filterCycleHour * 2 / 3)));
+                    newRecord.setStabled(lastRecordTime.isBefore(newRecordTime.minusHours(filterCycleHour * 1 / 2)));
                     return true;
                 }
             }
@@ -246,7 +246,7 @@ public class GNSSCalcFilterService {
                     newRecord.setAuxn(NumberUtils.scaleTwo(msumN / minCount));
                     newRecord.setAuxd(NumberUtils.scaleTwo(msumD / minCount));
                     //滤波窗口里的时间跨度超过滤波时间的2/3才认为稳定
-                    newRecord.setStabled(lastRecordTime.isBefore(newRecordTime.minusHours(filterCycleHour * 2 / 3)));
+                    newRecord.setStabled(lastRecordTime.isBefore(newRecordTime.minusHours(filterCycleHour * 1 / 2)));
                     return true;
                 }
             }