.. toctree::
   :maxdepth: 3
   :caption: Keyes STEM电子积木传感器高级套件

   README.md
   docs/产品介绍.md
   docs/产品清单.md
   docs/资料下载.md
   docs/主板介绍.md
   docs/Arduino_C_教程/Arduino_C_教程.md
   docs/KidsBlock_教程/KidsBlock_教程.md
   docs/Mixly_教程/Mixly_教程.md
   docs/常见问题解答.md
   docs/docs/index