It's another version of GhoSadillaX, the theme of Ghost.

Copy _config.sample.yml to _config.yml.

And edit the subjects.

Create two folders under your source directory: tags and categories.

Create an index.md file under each folder that you've just created.

tags/index.md:

layout: tags
title: tags
---

categories/index.md:

layout: categories
title: categories
---

Register your own duoshuo account and replace duoshuo short_name in _config.yml.

向 _config.yml 配置文件添加baidu_analytics: 你的统计ID

向 _config.yml 文章源码文件头部添加 mathjax: true