Django超链接设置后没有出错为什么打不开网页
<h1>
<a href="">新文章</a>
</h1>
{% for article in articles %}
<a href="{% url 'blog:article_page' article.id %}">{{article.title}}</a>
</br>
{% endfor %}url(r'^blog/',include('blog.urls',namespace='blog')),url(r'^article/(?P<article_id>[0-9]+)',views.article_page,name='article_page'),