DJango models中定义的choices元组状态在前台中显示

from django.db import models
class Order(models.Model):
pay_status = models.IntegerField(choices=((0, '未支付'),
(1, '已支付')),
default=0,
verbose_name='付款状态')
goods_status = models.IntegerField(choices=((0, '未到货'),
(1, '已到货'),
(2, '已发货')),
default=0,
verbose_name='货物状态')

{% for item in data %}
<tr>
<td>{{ item.get_pay_status_display }}</td>
</tr>
{% endfor %}