我正在尝试在我的项目中使用 django-orderedmodel ( https://github.com/kirelagin/django-orderedmodel )。
运行 makemigrations 不起作用：
You are trying to add a non-nullable field 'order' to slide without a default; we can't do that (the database needs something to populate existing rows).
Please select a fix:
1) Provide a one-off default now (will be set on all existing rows)
2) Quit, and let me add a default in models.py
Select an option:
我想知道我在哪里做错了。谢谢