diff --git a/apps/srm/migrations/0010_alter_paperrecord_cor_author.py b/apps/srm/migrations/0010_alter_paperrecord_cor_author.py
new file mode 100644
index 00000000..c954d5a9
--- /dev/null
+++ b/apps/srm/migrations/0010_alter_paperrecord_cor_author.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2025-11-25 08:26
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('srm', '0009_auto_20251125_1616'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='paperrecord',
+            name='cor_author',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='通讯作者'),
+        ),
+    ]
diff --git a/apps/srm/models.py b/apps/srm/models.py
index e60b827a..f4c13178 100644
--- a/apps/srm/models.py
+++ b/apps/srm/models.py
@@ -95,7 +95,7 @@ class PaperRecord(CommonADModel):
     pa_type = models.CharField('论文类型', max_length=50, choices=PAPER_TYPE_CHOICES, default='invention')
     organization = models.CharField(max_length=100, verbose_name="申请部门")
     author = models.CharField(max_length=100, verbose_name="作者")
-    cor_author = models.CharField(max_length=100, verbose_name="通讯作者")
+    cor_author = models.CharField(max_length=100, null=True, blank=True, verbose_name="通讯作者")
     affiliated_platforms = models.CharField(max_length=255, blank=True, verbose_name="归属平台")
     affiliated_projects = models.CharField(max_length=255, blank=True, verbose_name="归属项目")
     accept_date = models.DateField(null=True, blank=True, verbose_name="接受日期")