看股功能更新

backend/app/main.py

@@ -5,6 +5,7 @@ from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from sqlalchemy import text
 
+from . import cache
 from .api import router
 from .auth_api import router as auth_router
 from .config import settings
@@ -17,6 +18,7 @@ async def lifespan(app: FastAPI):
         await conn.execute(text("SELECT 1"))
     yield
     await engine.dispose()
+    await cache.aclose()  # 释放 Redis 连接池（未启用时是 no-op）
 
 
 app = FastAPI(