diff --git a/main.py b/main.py
index 5c56eb0..2081aa0 100644
--- a/main.py
+++ b/main.py
@@ -19,6 +19,7 @@ from app.service.daily_challenge import daily_challenge_job
 from app.service.osu_rx_statistics import create_rx_statistics
 
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 
 
 @asynccontextmanager
@@ -36,6 +37,15 @@ async def lifespan(app: FastAPI):
 
 
 app = FastAPI(title="osu! API 模拟服务器", version="1.0.0", lifespan=lifespan)
+
+# CORS 配置
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["http://localhost:5173"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
 app.include_router(api_v2_router)
 app.include_router(signalr_router)
 app.include_router(fetcher_router)