关闭pulseaudio空间声音自动退出

# pulseaudio --dump-conf

# vim /etc/pulse/daemon.conf

设置 exit-idle-time= - 1     // exit-idle-time= Terminate the daemon after the last client quit and this time in seconds passed. Use a negative value to disable this feature. Defaults to 20. The --exit-idle-time command line option takes precedence.