diff --git a/apps/pum/migrations/0005_auto_20240329_0939.py b/apps/pum/migrations/0005_auto_20240329_0939.py
new file mode 100644
index 00000000..bc7c3988
--- /dev/null
+++ b/apps/pum/migrations/0005_auto_20240329_0939.py
@@ -0,0 +1,28 @@
+# Generated by Django 3.2.12 on 2024-03-29 01:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pum', '0004_auto_20231201_1350'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='supplier',
+            name='address',
+            field=models.CharField(blank=True, default='', max_length=200, verbose_name='地址'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='contact',
+            field=models.CharField(blank=True, default='', max_length=20, verbose_name='联系人'),
+        ),
+        migrations.AlterField(
+            model_name='supplier',
+            name='contact_phone',
+            field=models.CharField(blank=True, default='', max_length=11, verbose_name='联系电话'),
+        ),
+    ]
diff --git a/apps/pum/models.py b/apps/pum/models.py
index 7d6886e7..46250e1e 100644
--- a/apps/pum/models.py
+++ b/apps/pum/models.py
@@ -9,9 +9,9 @@ class Supplier(CommonBModel):
     供应商
     """
     name = models.CharField('供应商名称', max_length=50)
-    contact = models.CharField('联系人', max_length=20)
-    contact_phone = models.CharField('联系电话', max_length=11)
-    address = models.CharField('地址', max_length=200, default='')
+    contact = models.CharField('联系人', max_length=20, default='', blank=True)
+    contact_phone = models.CharField('联系电话', max_length=11, default='', blank=True)
+    address = models.CharField('地址', max_length=200, default='', blank=True)
 
 
 class PuPlan(CommonBModel):