update

main.py

@@ -2,8 +2,16 @@ from fastapi import FastAPI
 from service.vector_store import vector_store
 from fastapi.responses import StreamingResponse
 from service.api import api
+from fastapi.middleware.cors import CORSMiddleware
 
 app = FastAPI()
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],  # 允许所有来源
+    allow_credentials=True,
+    allow_methods=["*"],  # 允许所有方法
+    allow_headers=["*"],  # 允许所有头
+)
 
 @app.get("/")
 def read_root():