diff --git a/app/common/controller/UsedCarController.php b/app/common/controller/UsedCarController.php
index a1a0ffc..55d10ae 100644
--- a/app/common/controller/UsedCarController.php
+++ b/app/common/controller/UsedCarController.php
@@ -2,6 +2,7 @@
 namespace app\common\controller;
 
 use app\common\controller\BaseController;
+use app\common\service\OssService;
 use app\common\traits\crud\CrudControllerTrait;
 use app\common\service\UsedCarService;
 
@@ -22,12 +23,22 @@ class UsedCarController extends BaseController
      * @param array $data
      * @return array
      */
-    // protected function indexFormat($data)
-    // {
-    //     if (isset($data['created_at']))
-    //         $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
-    //     if (isset($data['updated_at']))
-    //         $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
-    //     return $data;
-    // }
+     protected function indexFormat($data)
+     {
+         if (isset($data['created_at']))
+             $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
+         if (isset($data['updated_at']))
+             $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
+         if (!empty($data['images'])){
+             $images = explode(',', $data['images']);
+             $ossService = new OssService();
+             $images_pull = [];
+             foreach ($images as $image){
+                 $images_pull[] = $ossService->generatePrivateUrl($image);
+             }
+             $data['images_pull'] = $images_pull;
+
+         }
+         return $data;
+     }
 }
\ No newline at end of file
diff --git a/app/common/service/UsedCarService.php b/app/common/service/UsedCarService.php
index 771a2d8..d3038c2 100644
--- a/app/common/service/UsedCarService.php
+++ b/app/common/service/UsedCarService.php
@@ -5,6 +5,8 @@ namespace app\common\service;
 use app\common\validate\UsedCarValidate;
 use app\common\traits\crud\CrudServiceTrait;
 use app\common\model\UsedCar;
+use support\exception\BusinessException;
+use support\Request;
 
 class UsedCarService
 {
@@ -28,4 +30,16 @@ class UsedCarService
     {
         return  new $this->validator;
     }
+
+
+    public function beforeServiceStore($data, Request $request): array
+    {
+        if(empty($data['product_name'])){
+            throw new BusinessException('产品名称不能为空');
+        }
+        if(empty($data['images'])){
+            throw new BusinessException('产品图片不能为空');
+        }
+        return $data;
+    }
 }
\ No newline at end of file