diff --git a/backend/apps/generation/migrations/0014_add_updated_at.py b/backend/apps/generation/migrations/0014_add_updated_at.py
new file mode 100644
index 0000000..6910033
--- /dev/null
+++ b/backend/apps/generation/migrations/0014_add_updated_at.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.2.29 on 2026-03-28 19:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generation', '0013_add_video_token_price'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='generationrecord',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True, verbose_name='更新时间'),
+        ),
+    ]