> For the complete documentation index, see [llms.txt](https://en.chanyuan8.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://en.chanyuan8.org/the-second-home/the-golden-key-to-open-the-door-of-happiness-of-the-second-home.md).

# The Golden Key to Open the Door of Happiness of the Second Home

Xuefeng