fix:优化行程节点变更原因的获取逻辑

src/main/java/com/chint/domain/aggregates/order/Leg.java

@@ -253,12 +253,11 @@ public class Leg implements Serializable, EventManageable {
         }
 
 
-        //添加变更理由
-        this.eventList
-                .stream()
+        // 添加变更理由
+        this.eventList.stream()
                 .filter(legEvent -> legEvent.getEventType().equals(LEG_EVENT_CHANGE))
-                .max(Comparator.comparingLong(LegEvent::getLegEventId))
-                .ifPresent(legEvent -> this.changeReason = legEvent.getExtension());
+                .max(Comparator.comparing(LegEvent::getHappenTime))
+                .ifPresent(latestChangeEvent -> this.changeReason = latestChangeEvent.getExtension());
 
         if (this.legApprovalEventList == null || this.legApprovalEventList.isEmpty()) {
             this.legApprovalStatus = LEG_APPROVAL_STATUS_NOT;