diff --git a/backend/app/service/BusinessTripService.php b/backend/app/service/BusinessTripService.php
index 92e6560..cbeb812 100644
--- a/backend/app/service/BusinessTripService.php
+++ b/backend/app/service/BusinessTripService.php
@@ -172,10 +172,13 @@ class BusinessTripService
             // 创建审批单
             $itinerariesData = $businessTrip->itineraries->map(function ($item) {
                 return [
-                    'destination' => $item->destination,
-                    'start_date' => $item->start_time,
-                    'end_date' => $item->end_time,
-                    'estimated_cost' => $item->estimated_cost ?? 0,
+                    'departure' => $item->departure ?? '',
+                    'destination' => $item->destination ?? '',
+                    'start_time' => $item->start_time,
+                    'end_time' => $item->end_time,
+                    'transport' => $item->transport ?? '',
+                    'trip_type' => $item->trip_type ?? 'oneway',
+                    'remark' => $item->remark ?? '',
                 ];
             })->toArray();