# Table of contents

* [欢迎](README.md)

## 关于 <a href="#about" id="about"></a>

* [关于本项目](about/this-project.md)
* [收录范围](about/scope-of-inclusion.md)

## 技术架构 <a href="#architecture" id="architecture"></a>

* [概览](architecture/overview.md)
* [数据库结构](architecture/database-structure/README.md)
  * [歌曲类型](architecture/database-structure/type-of-song.md)
* [人工智能](architecture/artificial-intelligence.md)

## API 文档 <a href="#api-doc" id="api-doc"></a>

* [目录](api-doc/catalog.md)
* [歌曲](api-doc/songs.md)