update cors

main.py

@@ -1,5 +1,6 @@
 from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
+from fastapi.middleware.cors import CORSMiddleware
 from socketio import ASGIApp
 
 import back
@@ -7,6 +8,13 @@ import front
 
 app = FastAPI()
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
 
 router, sio = back.get_backend()
 app.include_router(router)