diff --git a/src/main/java/com/hisense/monitormanage/controller/EventController.java b/src/main/java/com/hisense/monitormanage/controller/EventController.java
index 5df5c35..de40560 100644
--- a/src/main/java/com/hisense/monitormanage/controller/EventController.java
+++ b/src/main/java/com/hisense/monitormanage/controller/EventController.java
@@ -81,7 +81,7 @@ public class EventController {
                 event.setVehicle(largeVehicle.getString("valueDescription"));
             }
             JSONObject trainingVehicle = attributes.getJSONObject("training_vehicle");
-            if (trainingVehicle == null) {
+            if (trainingVehicle != null) {
                 event.setVehicle(trainingVehicle.getString("valueDescription"));
             }
             JSONObject smallVehicle = attributes.getJSONObject("small_vehicle");