class IceCreamBar(models.Model):     title =     models.CharField(max_length=200,db_index=True,verbose_name="名称")         shell = models.CharField(max_length=100,verbose_name='外皮')         filling = models.CharField(max_length=100,verbose_name='内含')         has_stick = models.BooleanField(default=True,verbose_name='有没有棍')         def __unicode__(self):             return self.title         class Meta:             verbose_name = "冰棒"             verbose_name_plural = "冰棒s"

from django.utils.translation import ugettext_lazy as _ class KarmaUser(AbstractUser): karma = models.PositiveIntegerField(_("karma"),default=0,blank=True)