diff --git a/apps/vm/models.py b/apps/vm/models.py
index ff0d8d02..344ae25d 100644
--- a/apps/vm/models.py
+++ b/apps/vm/models.py
@@ -1,13 +1,13 @@
 
 from django.db import models
 from apps.hrm.models import Employee
-from apps.utils.models import CommonAModel, CommonBModel, BaseModel
+from apps.utils.models import CommonAModel, CommonBDModel, CommonBModel, BaseModel
 from apps.system.models import User
 from apps.wf.models import Ticket
 
 
 # Create your models here.
-class Visit(CommonBModel):
+class Visit(CommonBDModel):
     """
     访问项目
     """