# Generated by Django 3.2.9 on 2022-04-27 02:36

from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):

    dependencies = [
        ('system', '0004_auto_20220318_1705'),
        ('mtm', '0050_auto_20220419_1109'),
    ]

    operations = [
        migrations.AddField(
            model_name='material',
            name='file',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='system.file', verbose_name='文件'),
        ),
    ]