Update app.py

app.py

@@ -16,7 +16,7 @@ app = FastAPI(title="Kwen Foundation Official API")
 # Updated CORS: allow_methods=["*"] is crucial for browser 'OPTIONS' preflight requests
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"], # For debugging, allowing all. Change to your specific domain later.
+    allow_origins=["https://hydrogenclient.github.io"], # For debugging, allowing all. Change to your specific domain later.
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],