class Post(models.Model):
  # ... 其它已有字段
  # 新增 views 字段记录阅读量
  views = models.PositiveIntegerField(default=0, editable=False)

class Post(models.Model):
  # ... 其它已有字段
  # 新增 views 字段记录阅读量
  views = models.PositiveIntegerField(default=0)  
  # ... 其它已有的模型方法
  def increase_views(self):
    self.views += 1
    self.save(update_fields=['views'])

$ pipenv run python manage.py makemigrations
$ pipenv run python manage.py migrate

def detail(request, pk):
  post = get_object_or_404(Post, pk=pk)
  
  # 阅读量 +1
  post.increase_views()

  md = markdown.Markdown(extensions=[
    'markdown.extensions.extra',
    'markdown.extensions.codehilite',
    # 记得在顶部引入 TocExtension 和 slugify
    TocExtension(slugify=slugify),
  ])
  post.body = md.convert(post.body)

  m = re.search(r'<div class="toc">\s*<ul>(.*)</ul>\s*</div>', md.toc, re.S)
  post.toc = m.group(1) if m is not None else ''

  return render(request, 'blog/detail.html', context={'post': post})

<div class="entry-meta">
 ...
 <span class="views-count"><a href="{{ post.get_absolute_url }}" rel="external nofollow" >{{ post.views }} 阅读</a></span>
</div>

<div class="entry-meta">
 ...
 <span class="views-count"><a href="#" rel="external nofollow" >{{ post.views }} 阅读</a></span>
</div>