diff --git a/apps/srm/migrations/0008_alter_patentrecord_status.py b/apps/srm/migrations/0008_alter_patentrecord_status.py
new file mode 100644
index 00000000..df4dae6d
--- /dev/null
+++ b/apps/srm/migrations/0008_alter_patentrecord_status.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2025-11-25 07:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('srm', '0007_auto_20251125_1454'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='patentrecord',
+            name='status',
+            field=models.CharField(blank=True, choices=[('not_disclosed', '未公开'), ('under_examination', '实审中'), ('first_office_action', '一通'), ('second_office_action', '二通'), ('rejected', '驳回'), ('reexamination', '复审'), ('authorized', '授权')], max_length=20, null=True, verbose_name='状态'),
+        ),
+    ]
diff --git a/apps/srm/models.py b/apps/srm/models.py
index 9b633714..58876567 100644
--- a/apps/srm/models.py
+++ b/apps/srm/models.py
@@ -77,6 +77,8 @@ class PatentRecord(CommonADModel):
             ("reexamination", "复审"),
             ("authorized", "授权")
         ],
+        null=True,
+        blank=True,
         verbose_name="状态"
     )
     award_info = models.TextField(null=True, blank=True, verbose_name="报奖情况")