修复数据库调用问题

app.py

@@ -2,6 +2,9 @@ from fastapi import FastAPI
 from fastapi.responses import FileResponse
 from fastapi import Request, HTTPException
 from contextlib import asynccontextmanager
+from slowapi import Limiter, _rate_limit_exceeded_handler
+from slowapi.util import get_remote_address
+from slowapi.errors import RateLimitExceeded
 from routes import (session, admin, object)
 import model.database
 import os, asyncio
@@ -30,6 +33,11 @@ app.include_router(admin.Router)
 app.include_router(session.Router)
 app.include_router(object.Router)
 
+# 挂载Slowapi限流中间件
+limiter = Limiter(key_func=get_remote_address)
+app.state.limiter = limiter
+app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
+
 @app.get("/")
 def read_root():
     if not os.path.exists("dist/index.html"):