diff --git a/plugin/admin/app/controller/VehicleController.php b/plugin/admin/app/controller/VehicleController.php
index 6569225..956fd25 100644
--- a/plugin/admin/app/controller/VehicleController.php
+++ b/plugin/admin/app/controller/VehicleController.php
@@ -276,16 +276,16 @@ class VehicleController extends Crud
             'ru' => VehicleRu::class
         ];
         //删除已保存的模型
-        unset($translationModels[$lang]);
+        unset($translationModels[$languages[$lang]]);
         $sourceLang = $languages[$lang];
         unset($languages[$lang]);
 
         $data_t = $data;
-        unset($data['brand']);
-        unset($data['model']);
-        unset($data['purchase']);
-        unset($data['procedure_location']);
-        unset($data['fbo_destination']);
+        unset($data_t['brand']);
+        unset($data_t['model']);
+        unset($data_t['purchase']);
+        unset($data_t['procedure_location']);
+        unset($data_t['fbo_destination']);
         foreach ($translationModels as $modelC) {
             $model = new $modelC();
             if(!empty($data_t['id'])){