diff --git a/backend/apps/pisadmin/miscprocurement/migrations/0005_alter_inquiry_template_version.py b/backend/apps/pisadmin/miscprocurement/migrations/0005_alter_inquiry_template_version.py
new file mode 100644
index 0000000..bebdc0c
--- /dev/null
+++ b/backend/apps/pisadmin/miscprocurement/migrations/0005_alter_inquiry_template_version.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.2.14 on 2026-03-26 15:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('miscprocurement', '0004_inquiry_template_version_inquirymaterialcost_weight'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='inquiry',
+            name='template_version',
+            field=models.IntegerField(db_column='TemplateVersion', default=1, help_text='与 template 共同锁定成本估算模板主表版本（CostEstimateTemplateHead.version）；发布与供应商报价结构均以此为准。', verbose_name='模板版本号'),
+        ),
+    ]