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\---->enter:"d" ---------> change delay from 3.0 to: 2 ///将刷新时间从 3.0 s 改成 2.0s ! 3.0s 是它的全局的系统默认设置！
\---->enter:"1" --------->如果有多个cpu [cpu(0),cpu(1)..]，会分开显示cpu的信息! 再按 "1"，恢复整体的cpu [cpu(s)] 信息！
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\---->enter:"d" ---------> change delay from 3.0 to: 2 ///将刷新时间从 3.0 s 改成 2.0s ! 3.0s 是它的全局的系统默认设置！
\---->enter:"1" --------->如果有多个cpu [cpu(0),cpu(1)..]，会分开显示cpu的信息! 再按 "1"，恢复整体的cpu [cpu(s)] 信息！