diff --git a/apps/authentication/migrations/0009_connectiontoken_input_secret_type.py b/apps/authentication/migrations/0009_connectiontoken_input_secret_type.py
index 045273f99..4a53c9729 100644
--- a/apps/authentication/migrations/0009_connectiontoken_input_secret_type.py
+++ b/apps/authentication/migrations/0009_connectiontoken_input_secret_type.py
@@ -13,6 +13,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='connectiontoken',
             name='input_secret_type',
-            field=models.CharField(blank=True, default='password', max_length=16, verbose_name='Input secret type'),
+            field=models.CharField(blank=True, default='password', max_length=16, null=True, verbose_name='Input secret type'),
         ),
     ]
diff --git a/apps/authentication/models/connection_token.py b/apps/authentication/models/connection_token.py
index 7dc4eefc6..3a8a4cbe3 100644
--- a/apps/authentication/models/connection_token.py
+++ b/apps/authentication/models/connection_token.py
@@ -44,7 +44,7 @@ class ConnectionToken(JMSOrgBaseModel):
     account = models.CharField(max_length=128, verbose_name=_("Account name"))  # 登录账号Name
     input_username = models.CharField(max_length=128, default='', blank=True, verbose_name=_("Input username"))
     input_secret = EncryptTextField(max_length=64, default='', blank=True, verbose_name=_("Input secret"))
-    input_secret_type = models.CharField(max_length=16, default='password', blank=True, verbose_name=_("Input secret type"))
+    input_secret_type = models.CharField(max_length=16, default='password', blank=True, null=True, verbose_name=_("Input secret type"))
     protocol = models.CharField(max_length=16, default=Protocol.ssh, verbose_name=_("Protocol"))
     connect_method = models.CharField(max_length=32, verbose_name=_("Connect method"))
     connect_options = models.JSONField(default=dict, verbose_name=_("Connect options"))