diff --git a/browser_gateway/platform/douyin.py b/browser_gateway/platform/douyin.py
index 64b2a05..537d428 100644
--- a/browser_gateway/platform/douyin.py
+++ b/browser_gateway/platform/douyin.py
@@ -1547,7 +1547,9 @@ def fetch_douyin_image(self: object, alias: str, target: str) -> BrowserMediaRes
         result = cdp.evaluate(
             f"""(async()=>{{
               try {{
-                const r=await fetch({json.dumps(target)},{{credentials:'include',redirect:'error'}});
+                // douyinpic CDN 返回 Access-Control-Allow-Origin:'*'，跨站 fetch 不能带凭据，
+                // credentials:'include' 会直接 TypeError Failed to fetch；公共图片无需 cookies。
+                const r=await fetch({json.dumps(target)},{{credentials:'omit',redirect:'error'}});
                 if(!r.body)return {{status:r.status,content_type:r.headers.get('content-type')||'',body:'',too_large:false}};
                 const reader=r.body.getReader(), chunks=[]; let size=0;
                 for(;;){{const item=await reader.read();if(item.done)break;