diff --git a/apps/mtm/migrations/0039_alter_material_unit_price.py b/apps/mtm/migrations/0039_alter_material_unit_price.py
new file mode 100644
index 00000000..680c0623
--- /dev/null
+++ b/apps/mtm/migrations/0039_alter_material_unit_price.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2024-07-31 10:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mtm', '0038_process_batch_append_equip'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='material',
+            name='unit_price',
+            field=models.DecimalField(blank=True, decimal_places=2, max_digits=14, null=True, verbose_name='单价'),
+        ),
+    ]
diff --git a/apps/mtm/models.py b/apps/mtm/models.py
index c761200a..37b47f7e 100644
--- a/apps/mtm/models.py
+++ b/apps/mtm/models.py
@@ -73,7 +73,7 @@ class Material(CommonAModel):
     need_route = models.BooleanField('是否需要定义工艺路线', default=False)
     components = models.JSONField('组件', default=dict, null=False, blank=True)
     brothers = models.JSONField('兄弟件', default=list, null=False, blank=True)
-    unit_price = models.PositiveIntegerField('单价', null=True, blank=True)
+    unit_price = models.DecimalField('单价', max_digits=14, decimal_places=2, null=True, blank=True)
     into_wm = models.BooleanField('是否进入车间库存', default=True)
 
     class Meta: