diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/storage/plan/StorageCtcZoneData.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/storage/plan/StorageCtcZoneData.java
index 38b0d6b57..d56ca0a2d 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/storage/plan/StorageCtcZoneData.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/storage/plan/StorageCtcZoneData.java
@@ -42,6 +42,8 @@ public class StorageCtcZoneData {
      * @return
      */
     public void convert(CtcZoneRepository repository) {
-        stationRunPlanMap.forEach((k, v) -> repository.getStationRunPlanMap().put(k, v));
+        if (stationRunPlanMap != null) {
+            stationRunPlanMap.forEach((k, v) -> repository.getStationRunPlanMap().put(k, v));
+        }
     }
 }