feat:增加跨越配置

main.py

@@ -1,4 +1,5 @@
 from fastapi import FastAPI, UploadFile, File
+from starlette.middleware.cors import CORSMiddleware
 from starlette.responses import StreamingResponse
 
 from models.agent import QueryRequest
@@ -8,6 +9,13 @@ from ocr import ocr_from_url
 
 app = FastAPI(title="AI Study Service")
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
 
 @app.post("/upload")
 def upload(file: UploadFile = File(...)):