From 65dae4f3abf10a322db35f599df7eab480686f09 Mon Sep 17 00:00:00 2001
From: XingQue <kongxing634@gmail.com>
Date: Fri, 10 Jul 2026 00:04:21 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=BA=97=E9=93=BA=E4=BA=8C=E7=BB=B4?=
 =?UTF-8?q?=E7=A0=81=E4=B8=8B=E8=BD=BD=E6=8B=92=E7=BB=9D=E5=BC=82=E5=B8=B8?=
 =?UTF-8?q?=E5=A4=A7=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

超过2MB的OSS对象视为路径错误，提示重新生成而非原样返回。

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 shop/views/shop_base_views.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/shop/views/shop_base_views.py b/shop/views/shop_base_views.py
index 8d458f3..ad3acd8 100644
--- a/shop/views/shop_base_views.py
+++ b/shop/views/shop_base_views.py
@@ -499,6 +499,14 @@ class QrcodeDownloadView(APIView):
         if not image_data:
             return Response({'code': 404, 'msg': '二维码文件不存在'}, status=404)
 
+        # 店铺二维码正常仅数十 KB，超过 2MB 视为 OSS 路径异常
+        if len(image_data) > 2 * 1024 * 1024:
+            logger.error(
+                '店铺二维码文件体积异常 dianpu=%s key=%s size=%s',
+                dianpu.id, oss_key, len(image_data),
+            )
+            return Response({'code': 500, 'msg': '二维码文件异常，请重新生成'}, status=500)
+
         # 4. 返回图片（inline 供页面展示，attachment 供下载）
         filename = f"shop_qrcode_{dianpu.id}.png"
         disposition_type = 'inline' if request.GET.get('disposition') == 'inline' else 'attachment'