Hexo更改主题后启动服务器，界面显如下字符:
extends includes/layout.pug block content include includes/recent-posts.pug include includes/partial
解决方案:
执行如下命令
npm install --save hexo-renderer-jade hexo-generator-feed hexo-generator-sitemap hexo-browsersync hexo-generator-archive清除缓存
hexo clean
生成静态文件即可
hexo g
