diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/status/OnboardPisStatus.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/status/OnboardPisStatus.java
index 7d01527c1..8537b7851 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/status/OnboardPisStatus.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/status/OnboardPisStatus.java
@@ -41,7 +41,7 @@ public class OnboardPisStatus extends Watchable {
         OnboardPisStatus changeStatus = new OnboardPisStatus();
         changeStatus.setGroupNumber(groupNumber);
 
-        if (Objects.equals(nextStationName, pis.getNextStationName())) {
+        if (!Objects.equals(nextStationName, pis.getNextStationName())) {
             nextStationName = pis.getNextStationName();
             change = true;
             changeStatus.setNextStationName(nextStationName);
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/pis/PisLogicLoop.java b/src/main/java/club/joylink/rtss/simulation/cbtc/pis/PisLogicLoop.java
index fbdb06f05..4ce0e4606 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/pis/PisLogicLoop.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/pis/PisLogicLoop.java
@@ -57,7 +57,7 @@ public class PisLogicLoop {
             if (StringUtils.hasText(nextStandTrackCode)) {
                 Section standTrack = repository.getByCode(nextStandTrackCode, Section.class);
                 List<Stand> standList = standTrack.getStandList();
-                if (!CollectionUtils.isEmpty(standList)) {
+                if (!CollectionUtils.isEmpty(standList) && !standList.get(0).isSmall()) {
                     nextStation = standList.get(0).getStation();
                 }
             }