from django.db import migrations, models class Migration(migrations.Migration): dependencies = [ ('printing', '0021_plateorder_print_count_printingorder_print_count'), ('business', '0016_payment_receipt_discount'), ] operations = [ migrations.AddField( model_name='salesorderitem', name='printing_job', field=models.ForeignKey( blank=True, null=True, on_delete=models.PROTECT, related_name='sales_order_items', to='printing.printingjob', verbose_name='关联印染任务', ), ), ]