修复本地样式

app/main.py

@@ -4,7 +4,7 @@ import logging
 from urllib.parse import urlparse
 
 from fastapi import FastAPI, File, Request, UploadFile
-from fastapi.responses import HTMLResponse
+from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
 
@@ -46,6 +46,12 @@ async def index(request: Request):
     return templates.TemplateResponse("index.html", {"request": request, "app_name": settings.app_name})
 
 
+@app.get("/favicon.ico", include_in_schema=False)
+async def favicon():
+    # 浏览器通常请求 /favicon.ico，统一跳转到静态图标
+    return RedirectResponse(url="/static/favicon.svg?v=20260406a")
+
+
 @app.get("/api/config")
 async def api_config():
     """供页面展示：当前是否接入模型、模型名、提供方（不含密钥）。"""