> For the complete documentation index, see [llms.txt](https://book.rochat.ai/rochat_book_zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.rochat.ai/rochat_book_zh/ru-he-zai-rochat-shang-chuang-jian-qun-liao/bei-jing-yin-le.md).

# 背景音樂

<figure><img src="/files/eYqz5zFZGbm9uRgvITj4" alt=""><figcaption></figcaption></figure>