今天发现没有什么大的程序，但是CPU的利用率一直在波动，看了下是`indicator-sound-switcher`这个软件CPU占用率高，其实这是一个音频输出的切换小工具，之前UBUNTU版本里不支持通过顶部的喇叭快速切换输出，所以安装了这个工具，现在新版本的UBUNTU已经可以通过顶部快速切换输出了，也不需要这个小工具了，索性就卸载了，卸载后CPU占用就没那么高了。
➜ /media apt list --installed | grep indicator
indicator-sound-switcher/now 2.3.9-1 all [installed,local]卸载命令：
➜ /media sudo apt purge indicator-sound-switcher
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
gir1.2-keybinder-3.0 libkeybinder-3.0-0
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
indicator-sound-switcher*
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
After this operation, 358 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 381487 files and directories currently installed.)
Removing indicator-sound-switcher (2.3.9-1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for gnome-menus (3.36.0-1.1ubuntu1) ...
Processing triggers for man-db (2.11.2-1) ...
Processing triggers for mailcap (3.70+nmu1ubuntu1) ...
Processing triggers for desktop-file-utils (0.26-1ubuntu5) ...
(Reading database ... 381447 files and directories currently installed.)
Purging configuration files for indicator-sound-switcher (2.3.9-1) ...了解 工作生活心情记忆 的更多信息
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