> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2016/12/30.md).

# 30

打开头脑，拥抱变化。

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MHQLjllj96CsLEflZqi%2F-MHQLttAWo-Ct-Mf7TjF%2Fimage.png?alt=media\&token=e398a9e9-8e47-469b-b1d2-b25201fd131e)