Second, specify hugo-theme-minos as your default theme in the config.toml file. Just add the line
This option enables the KaTeX auto-render extension. To render block math, use $$ ... $$. For inline math, use \\( ... \\). For more details, please refer to https://github.com/KaTeX/KaTeX/blob/v0.7.1/contrib/auto-render/auto-render.js#L73 .