diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/TrainPositionTimeOverService.java b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/TrainPositionTimeOverService.java
index b5bbb1b31..3582a96b6 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/TrainPositionTimeOverService.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/TrainPositionTimeOverService.java
@@ -102,6 +102,10 @@ public class TrainPositionTimeOverService {
                 continue;
             }
             if(tp.receiveTimeOver(this.receiveTimeOver)){
+                if(Objects.isNull(tp.getGroupNum())){
+                    log.error("错误的数据:" + tp);
+                    continue;
+                }
                 if(checkExist(key,simulation)){
                     SimulationDataRepository repository = simulation.getRepository();
                     TrainStatus ts = new TrainStatus(tp.getGroupNum());