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 0013d0cb..6f0f9177 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
@@ -44,11 +44,14 @@ public class GNSSCalcFilterService {
         Integer xyfilterCycle = groupCalc.getFilter_hour();
         Integer zfilterCycle = groupCalc.getZfilter_hour();
         if(null == zfilterCycle) zfilterCycle = xyfilterCycle;
-        VaryFilterCycle varyCycle = autoCycleDevices.get(deviceId);
-        if(varyCycle!=null){
-            xyfilterCycle = varyCycle.filterCycleHour;
-            zfilterCycle = varyCycle.filterCycleHour;
+        if(groupCalc.getAuto_filter()) {
+            VaryFilterCycle varyCycle = autoCycleDevices.get(deviceId);
+            if (varyCycle != null) {
+                xyfilterCycle = varyCycle.filterCycleHour;
+                zfilterCycle = varyCycle.filterCycleHour;
+            }
         }
+        else autoCycleDevices.remove(deviceId);
 
         // 平滑处理
         calcFilterLocation(newRecord, referPos, xyfilterCycle, zfilterCycle, groupCalc.getFilter_min_hour(),