From 239c47f469b4f54bd75e9b1253a69ed1abeaa1f4 Mon Sep 17 00:00:00 2001
From: jxxghp <jxxghp@gmail.com>
Date: Sat, 13 Sep 2025 10:13:33 +0800
Subject: [PATCH] fix #4917

---
 app/api/endpoints/system.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/api/endpoints/system.py b/app/api/endpoints/system.py
index 595eeb81..26600b65 100644
--- a/app/api/endpoints/system.py
+++ b/app/api/endpoints/system.py
@@ -142,7 +142,7 @@ async def proxy_img(
         cache: bool = False,
         if_none_match: Annotated[str | None, Header()] = None,
         _: schemas.TokenPayload = Depends(verify_resource_token)
-) -> Response:
+) -> Optional[Response]:
     """
     图片代理，可选是否使用代理服务器，支持 HTTP 缓存
     """
@@ -159,7 +159,7 @@ async def cache_img(
         url: str,
         if_none_match: Annotated[str | None, Header()] = None,
         _: schemas.TokenPayload = Depends(verify_resource_token)
-) -> Response:
+) -> Optional[Response]:
     """
     本地缓存图片文件，支持 HTTP 缓存，如果启用全局图片缓存，则使用磁盘缓存
     """