导入dompdf.js后报错ERR_CONNECTION_REFUSED

<img width="641" height="661" alt="Image" src="https://github.com/user-attachments/assets/84a7a367-2269-4e3d-9ffd-b1edcb356ecd" />
GET http://localhost:35729/livereload.js?snipver=1 net::ERR_CONNECTION_REFUSED/
怎么才能让它不报错