随便下载一个后缀为coffee的文件，用文本编辑器打开直接修改就可以了！

# command后面跟shell命令，用引号引起来
command: "whoami"

# 刷新频率
refreshFrequency: 1000000

# render输出这个上面命令的结果。"""之内是输出的内容
render: (output) -> """
  <h1>Hi, #{output}</h1>
  <p>
    Thanks for trying out Übersicht!
    This is an example widget to get you started.
  </p>
  <p>
    To view this example widget, choose <em>'Open Widgets Folder'</em>
    from the status bar menu. Use it to create your own widget,
    or simply delete it.
  </p>
  <p>
    To download other widgets, choose <em>'Visit Widgets Gallery'</em>
    from the status bar menu.
  </p>
"""

# css文件规定样式
# (http://learnboost.github.io/stylus/)
style: """
  background: rgba(#fff, 0.95) url('übersicht-logo.png') no-repeat 50% 20px
  background-size: 176px 84px
  -webkit-backdrop-filter: blur(20px)
  border-radius: 1px
  border: 2px solid #fff
  box-sizing: border-box
  color: #141f33
  font-family: Helvetica Neue
  font-weight: 300
  left: 50%
  line-height: 1.5
  margin-left: -170px
  padding: 120px 20px 20px
  top: 10%
  width: 340px
  text-align: justify

  h1
    font-size: 20px
    font-weight: 300
    margin: 16px 0 8px

  em
    font-weight: 400
    font-style: normal
"""