hexo-next博客中mathjax显示问题解决

见个人我的博客https://www.jlzsnow.top/2018/07/23/hexo-next%E5%8D%9A%E5%AE%A2%E4%B8%ADmathjax%E6%98%BE%E7%A4%BA%E9%97%AE%E9%A2%98%E8%A7%A3%E5%86%B3/