> 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/2020/03/01.md).

# 01

时间日复一日，年复一年，却可改变一切。

![](/files/3WEn2SlkEslk8k2uJL8r)