diff --git a/routers/img.py b/routers/img.py
index 407300a..58ad8bf 100644
--- a/routers/img.py
+++ b/routers/img.py
@@ -154,7 +154,7 @@ def get_image_thumbnail(id:int, version:str, n:int, w:int, ext:str):
             if img is None:
                 print('图片不存在:', id)
                 return Response('图片不存在', status_code=404)
-            image = download_image(img[0])
+            image = download_image(img['content'])
             if not image:
                 return Response('图片不存在', status_code=404)
             image.thumbnail((n*w, image.size[1]))