diff --git a/apps/application/migrations/0007_alter_application_desc.py b/apps/application/migrations/0007_alter_application_desc.py
new file mode 100644
index 000000000..65b7b668c
--- /dev/null
+++ b/apps/application/migrations/0007_alter_application_desc.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.1.10 on 2024-03-06 18:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('application', '0006_remove_chatrecord_paragraph_id_list'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='application',
+            name='desc',
+            field=models.CharField(default='', max_length=512, verbose_name='引用描述'),
+        ),
+    ]
diff --git a/apps/application/models/application.py b/apps/application/models/application.py
index b6851274f..ecd884c2b 100644
--- a/apps/application/models/application.py
+++ b/apps/application/models/application.py
@@ -29,7 +29,7 @@ def get_model_setting_dict():
 class Application(AppModelMixin):
     id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid1, editable=False, verbose_name="主键id")
     name = models.CharField(max_length=128, verbose_name="应用名称")
-    desc = models.CharField(max_length=128, verbose_name="引用描述", default="")
+    desc = models.CharField(max_length=512, verbose_name="引用描述", default="")
     prologue = models.CharField(max_length=1024, verbose_name="开场白", default="")
     dialogue_number = models.IntegerField(default=0, verbose_name="会话数量")
     user = models.ForeignKey(User, on_delete=models.DO_NOTHING)