diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 9457678f2..7690516f9 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -13,3 +13,4 @@
 ##### 其他
 
 
+[注:] 完成后请关闭 issue
diff --git a/apps/users/models/user.py b/apps/users/models/user.py
index b385bbaf3..e6f5724c4 100644
--- a/apps/users/models/user.py
+++ b/apps/users/models/user.py
@@ -38,6 +38,7 @@ class User(AbstractUser):
     phone = models.CharField(max_length=20, blank=True, null=True, verbose_name=_('Phone'))
     enable_otp = models.BooleanField(default=False, verbose_name=_('Enable OTP'))
     secret_key_otp = models.CharField(max_length=16, blank=True)
+    # Todo: private_key may be not used
     _private_key = models.CharField(max_length=5000, blank=True, verbose_name=_('ssh private key'))
     _public_key = models.CharField(max_length=5000, blank=True, verbose_name=_('ssh public key'))
     comment = models.TextField(max_length=200, blank=True, verbose_name=_('Comment'))