运营成本表

Model/models.py

@@ -4224,6 +4224,7 @@ class OperatingCosts(models.Model):
     remaining_usage_time = models.IntegerField(default=0, verbose_name='剩余使用时间')
     created_time = models.IntegerField(default=0, verbose_name='当月结算时间')
     time = models.IntegerField(verbose_name='时间戳', default=0)
+    remark = models.CharField(blank=True, default='', max_length=200, verbose_name='备注')
 
     def __str__(self):
         return self.id