修改代理订单表备注可为空

AgentModel/models.py

@@ -140,7 +140,7 @@ class AgentDeviceOrder(models.Model):
     profit = models.DecimalField(default=0, max_digits=10, decimal_places=2, verbose_name='利润')
     is_del = models.BooleanField(blank=True, default=False, verbose_name=u'是否删除')
     settlement_time = models.IntegerField(default=0, verbose_name='结算时间')
-    remark = models.CharField(blank=True, default=None, max_length=128, verbose_name='备注')
+    remark = models.CharField(null=True, default=None, max_length=128, verbose_name='备注')
     created_time = models.IntegerField(default=0, verbose_name='创建时间')
     updated_time = models.IntegerField(default=0, verbose_name='修改时间')