优化代码

fir_ser/api/models.py

@@ -412,7 +412,6 @@ class Order(models.Model):
     created_time = models.DateTimeField(verbose_name="订单创建时间", auto_now_add=True)
     description = models.TextField('备注', blank=True, null=True, default='')
 
-
     def __str__(self):
         return "%s-%s-%s元" % (self.user_id, self.order_number, self.actual_amount / 100)