> 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/2018/01/17.md).

# 17

曾经看过一片石头，被人涂上了各色各样的表情。想着亿万年前他们坚硬的存在，时光和岁月磨平了每一寸棱角。改变虽慢，终须要变。早安，世界。早安，未来。早安，找到一片改变的石头吧。

![](https://385430918-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M8iFCzaIpXf8zXqpE6I%2F-MTTh_lbCvLm61ziKBc_%2F-MTThnx7y7_SVRfC0TLz%2Fimage.png?alt=media\&token=5015950f-9124-42ad-b45d-5776a2d3610d)