django 访问静态资源

urlpatterns = patterns('',
         url(r'^$', views.show, name='index'),
         url(r'^static/(?P<path>.*)', 'django.views.static.serve', {'document_root':'/home/anna/Documents/django_py/showImg/static'}),
         )              

当url 以 static/开头是 ，访问静态资源