diff --git a/codes/models.py b/codes/models.py
index 43c84c7..21ba956 100644
--- a/codes/models.py
+++ b/codes/models.py
@@ -4,6 +4,11 @@ from common.models.baseModels import BaseModel
 from common.models.choiceModels import CertificateCodeUseType, InviteCodeUseType
 from common.utils.codeManger import set_expire
 
+# from django.contrib.contenttypes.fields import GenericForeignKey
+# from django.contrib.contenttypes.models import ContentType
+
+# from projects.models import Project
+
 
 class CertificationCode(BaseModel):
     use_type = models.CharField(choices=CertificateCodeUseType.choices, max_length=5)
@@ -17,3 +22,4 @@ class InviteCode(BaseModel):
     code = models.CharField(max_length=10)
     expire_at = models.DateTimeField(default=set_expire) # 일주일은 10080분
     identifier = models.CharField(max_length=40)
+