diff --git a/backend/app/services/logistics_service.py b/backend/app/services/logistics_service.py
index 1ce26d7..ef3d6e9 100644
--- a/backend/app/services/logistics_service.py
+++ b/backend/app/services/logistics_service.py
@@ -825,7 +825,8 @@ class LogisticsService:
         """
         import base64 as _b64
         import hashlib as _md5
-        from urllib.parse import urlencode
+        from pathlib import Path as _Path, PurePosixPath as _URLPath
+        from urllib.parse import urlencode, urlparse
 
         image_url = (payload.get("image_url") or "").strip()
         if not image_url:
@@ -842,11 +843,18 @@ class LogisticsService:
                 # 1. 下载图片并 base64 编码
                 logger.info("[recognize_waybill] 下载图片: %s", image_url)
                 try:
-                    with request.urlopen(image_url, timeout=15) as resp:
-                        image_bytes = resp.read()
-                    logger.info("[recognize_waybill] 图片下载成功, 大小: %d bytes", len(image_bytes))
+                    url_path = _URLPath(urlparse(image_url).path)
+                    if len(url_path.parts) >= 2 and url_path.parts[1] == "uploads":
+                        # 本地上传的文件，直接从本地文件系统读取
+                        local_file = _Path(settings.local_upload_dir) / url_path.name
+                        logger.info("[recognize_waybill] 本地文件读取: %s", local_file)
+                        image_bytes = local_file.read_bytes()
+                    else:
+                        with request.urlopen(image_url, timeout=15) as resp:
+                            image_bytes = resp.read()
+                    logger.info("[recognize_waybill] 图片读取成功, 大小: %d bytes", len(image_bytes))
                 except Exception as img_exc:
-                    logger.warning("[recognize_waybill] 图片下载失败: %s", img_exc)
+                    logger.warning("[recognize_waybill] 图片读取失败: %s", img_exc)
                     raise
                 image_b64 = _b64.b64encode(image_bytes).decode("utf-8")