code: function getPost(post) {
    if (!post || !post.body) return {};
  
  
    let postQuery = getPostQuery(post.body);
    let postIntro = postQuery.intro || getPostIntro(post.body);
  
    Object.assign(post, {
      intro: postIntro,
      query: postQuery,
      create_time: formatTime(post.created_at),
      update_time: formatTime(post.updated_at)
    })
  
    return post;
  }
docs: 根据需求补充文章内容数据
  @param  {Object} post 文章数据
  @return {Object}      补充之后的文章数据