问为什么{{ attribute.label.tag }}中的label.tag在django模板中不起作用？如何在模板中获取列的标签？

EN

class Article(models.Model):
    pub_date = models.DateField()
    headline = models.CharField(max_length=200)
    content = models.TextField()
    reporter = models.ForeignKey(Reporter, on_delete=models.CASCADE)
    def __str__(self):
        return self.headline

def articlesindex(request):    
    data = Articles.objects.all().last()
    return render(request, 'Articles\index.html', {'articles':data}

{{ articles.headline }} //gives you the value
{{ articles.headline.label_tag }} //does not give you the name "headline"