揭露管道线路服务？

Question

目前没有音频输出。当我尝试重新启动 pipewire 时，我收到以下信息

systemctl --user restart pipewire{,-pulse}.{socket,service} pipewire-media-session.service
Failed to restart pipewire-media-session.service: Unit pipewire-media-session.service is masked.

不确定如何揭露这项服务