From 411cd91f10963b58fd3d67a53dc5bc165ead9e71 Mon Sep 17 00:00:00 2001
From: "WIN-C27C5MSVTPO\\16961" <1696136552@qq.com>
Date: Tue, 13 Jan 2026 17:55:34 +0800
Subject: [PATCH] 1

---
 app/common/service/UsedCarService.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/common/service/UsedCarService.php b/app/common/service/UsedCarService.php
index 0e44fd0..bffec12 100644
--- a/app/common/service/UsedCarService.php
+++ b/app/common/service/UsedCarService.php
@@ -94,7 +94,11 @@ class UsedCarService
         if(empty($data['price'])){
             $data['price'] = 0;
         }
-        $data['attachment'] = json_encode($data['attachment']);
+        if(!empty($data['attachment'])){
+            $data['attachment'] = json_encode($data['attachment']);
+        }else{
+            $data['attachment'] = '';
+        }
         $data['user_id'] = $request->user['id'];
         return $data;
     }