diff --git a/plugin/admin/app/controller/VehicleController.php b/plugin/admin/app/controller/VehicleController.php
index 28d0cb6..f8dc405 100644
--- a/plugin/admin/app/controller/VehicleController.php
+++ b/plugin/admin/app/controller/VehicleController.php
@@ -496,11 +496,11 @@ class VehicleController extends Crud
 
         $img_url = Cache::get('img_dib_'.$data->id);
         if ($img_url) {
-            $item['img_url'] = $img_url;
+            $data['img_url'] = $img_url;
         } else {
             $ossservice = empty($ossservice)?new OssService():$ossservice;
             $img_url = $ossservice->generatePrivateUrl($data['img_url'],86400);
-            $item['img_url'] = $img_url;
+            $data['img_url'] = $img_url;
             Cache::set('img_dib_'.$data->id, $img_url, 86390);
         }