diff --git a/backend/apps/pisadmin/miscprocurement/migrations/0004_inquiry_template_version_inquirymaterialcost_weight.py b/backend/apps/pisadmin/miscprocurement/migrations/0004_inquiry_template_version_inquirymaterialcost_weight.py
new file mode 100644
index 0000000..e330044
--- /dev/null
+++ b/backend/apps/pisadmin/miscprocurement/migrations/0004_inquiry_template_version_inquirymaterialcost_weight.py
@@ -0,0 +1,24 @@
+# Generated by Django 4.2.14 on 2026-03-26 10:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('miscprocurement', '0003_remove_pricetemplate_creator_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            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'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='inquirymaterialcost',
+            name='weight',
+            field=models.DecimalField(blank=True, db_column='Weight', decimal_places=4, max_digits=12, null=True, verbose_name='重量'),
+        ),
+    ]
diff --git a/backend/apps/pissupplier/migrations/0003_quotationmaterial_weight_and_more.py b/backend/apps/pissupplier/migrations/0003_quotationmaterial_weight_and_more.py
new file mode 100644
index 0000000..35ce847
--- /dev/null
+++ b/backend/apps/pissupplier/migrations/0003_quotationmaterial_weight_and_more.py
@@ -0,0 +1,33 @@
+# Generated by Django 4.2.14 on 2026-03-26 10:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pissupplier', '0002_quotationmaster_validity_days_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='quotationmaterial',
+            name='weight',
+            field=models.DecimalField(blank=True, db_column='Weight', decimal_places=4, max_digits=12, null=True, verbose_name='重量'),
+        ),
+        migrations.AlterField(
+            model_name='quotationattachment',
+            name='file_name',
+            field=models.CharField(db_column='file_name', max_length=100, verbose_name='文件名称'),
+        ),
+        migrations.AlterField(
+            model_name='quotationattachment',
+            name='file_path',
+            field=models.CharField(blank=True, db_column='file_path', max_length=200, null=True, verbose_name='文件路径'),
+        ),
+        migrations.AlterField(
+            model_name='quotationmaster',
+            name='status',
+            field=models.IntegerField(blank=True, choices=[(1, '待报价'), (2, '报价中'), (3, '已报价'), (4, '已过期')], default=1, help_text='1 待报价 2 已报价 3 已过期；置为已报价请走供应商端 POST quotation_master/{id}/submit/', null=True, verbose_name='状态'),
+        ),
+    ]