diff --git a/backend/apps/pisadmin/miscprocurement/migrations/0003_remove_pricetemplate_creator_and_more.py b/backend/apps/pisadmin/miscprocurement/migrations/0003_remove_pricetemplate_creator_and_more.py
new file mode 100644
index 0000000..c0c2d63
--- /dev/null
+++ b/backend/apps/pisadmin/miscprocurement/migrations/0003_remove_pricetemplate_creator_and_more.py
@@ -0,0 +1,57 @@
+# Generated by Django 4.2.14 on 2026-03-24 14:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('miscprocurement', '0002_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='pricetemplate',
+            name='creator',
+        ),
+        migrations.AddField(
+            model_name='costestimatetemplatebody',
+            name='version',
+            field=models.IntegerField(db_column='Version', default=1, verbose_name='版本号'),
+        ),
+        migrations.AddField(
+            model_name='costestimatetemplatehead',
+            name='status',
+            field=models.IntegerField(choices=[(0, '未确认'), (1, '已确认'), (2, '作废')], db_column='Status', default=0, verbose_name='状态'),
+        ),
+        migrations.AddField(
+            model_name='costestimatetemplatehead',
+            name='version',
+            field=models.IntegerField(db_column='Version', default=1, verbose_name='版本号'),
+        ),
+        migrations.AlterField(
+            model_name='costestimatetemplatebody',
+            name='template_no',
+            field=models.CharField(db_column='TemplateNo', max_length=20, verbose_name='模板编号'),
+        ),
+        migrations.AlterField(
+            model_name='costestimatetemplatehead',
+            name='template_no',
+            field=models.CharField(db_column='TemplateNo', db_index=True, max_length=20, verbose_name='模板编号'),
+        ),
+        migrations.AddIndex(
+            model_name='costestimatetemplatebody',
+            index=models.Index(fields=['template_no', 'version'], name='idx_cost_template_body_no_ver'),
+        ),
+        migrations.AddIndex(
+            model_name='costestimatetemplatehead',
+            index=models.Index(fields=['template_no', 'version'], name='idx_cost_template_head_no_ver'),
+        ),
+        migrations.AddConstraint(
+            model_name='costestimatetemplatehead',
+            constraint=models.UniqueConstraint(fields=('template_no', 'version'), name='uq_cost_template_head_no_ver'),
+        ),
+        migrations.DeleteModel(
+            name='PriceTemplate',
+        ),
+    ]
diff --git a/backend/apps/pissupplier/migrations/0002_quotationmaster_validity_days_and_more.py b/backend/apps/pissupplier/migrations/0002_quotationmaster_validity_days_and_more.py
new file mode 100644
index 0000000..e06e690
--- /dev/null
+++ b/backend/apps/pissupplier/migrations/0002_quotationmaster_validity_days_and_more.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2.14 on 2026-03-24 14:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pissupplier', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='quotationmaster',
+            name='validity_days',
+            field=models.IntegerField(blank=True, null=True, verbose_name='有效天数'),
+        ),
+        migrations.AlterField(
+            model_name='quotationprocess',
+            name='unit',
+            field=models.CharField(blank=True, db_column='Unit', max_length=20, null=True, verbose_name='单位'),
+        ),
+    ]