diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/data/AtsAlarm.java b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/data/AtsAlarm.java
index b9706c2bf..f72f6275f 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/data/AtsAlarm.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/data/AtsAlarm.java
@@ -116,6 +116,8 @@ public class AtsAlarm {
         Conflict_Route_Set,
         /** 列车延误 */
         TRAIN_DELAY,
+        /** 设备故障 */
+        DEVICE_FAULT,
     }
 
     /**
diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/alarm/AtsAlarmService.java b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/alarm/AtsAlarmService.java
index 581bee49d..c0fd4219f 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/alarm/AtsAlarmService.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/ATS/service/alarm/AtsAlarmService.java
@@ -29,7 +29,7 @@ public class AtsAlarmService {
         Simulation simulation = event.getSimulation();
         DeviceFaultInfo deviceFaultInfo = event.getDeviceFaultInfo();
         AtsAlarm alarm = new AtsAlarm(String.valueOf(simulation.getIdGenerator().generateAlarmId()),
-                simulation.getCorrectSystemTime(), null, "A",
+                simulation.getCorrectSystemTime(), AtsAlarm.Type.DEVICE_FAULT, "A",
                 deviceFaultInfo.getCode(), deviceFaultInfo.getFault());
         simulation.getRepository().addAtsAlarm(alarm);
         SocketMessageVO<Collection<AtsAlarm>> alarmMessage