diff --git a/plugin/admin/app/controller/VehicleController.php b/plugin/admin/app/controller/VehicleController.php
index 956fd25..7d74274 100644
--- a/plugin/admin/app/controller/VehicleController.php
+++ b/plugin/admin/app/controller/VehicleController.php
@@ -560,7 +560,11 @@ class VehicleController extends Crud
                     $item['img_url_full'] = $img_url;
                 } else {
                     $ossservice = empty($ossservice)?new OssService():$ossservice;
-                    $img_url = $ossservice->generatePrivateUrl($item['img_url'],86400);
+                    if(!empty($item['img_url'])){
+                        $img_url = $ossservice->generatePrivateUrl($item['img_url'],86400);
+                    }else{
+                        $img_url = '';
+                    }
                     $item['img_url_full'] = $img_url;
                     Cache::set('img_dib_'.$item->id, $img_url, 86390);
                 }