diff --git a/apps/utils/models.py b/apps/utils/models.py
index 902d51c6..073cc0ed 100755
--- a/apps/utils/models.py
+++ b/apps/utils/models.py
@@ -1,7 +1,6 @@
 import django.utils.timezone as timezone
 from django.db import models
 from django.db.models.query import QuerySet
-from yaml import serialize
 from apps.utils.snowflake import idWorker
 
 # 自定义软删除查询基类