diff --git a/apps/audits/handler.py b/apps/audits/handler.py
index d5f39dc7a..27b116488 100644
--- a/apps/audits/handler.py
+++ b/apps/audits/handler.py
@@ -4,7 +4,6 @@ from django.db import transaction
 from django.core.cache import cache
 from django.utils.translation import ugettext_lazy as _
 
-from users.models import User
 from common.utils import get_request_ip, get_logger
 from common.utils.timezone import as_current_tz
 from common.utils.encode import Singleton
diff --git a/apps/audits/utils.py b/apps/audits/utils.py
index d069a6d26..27cdd6e28 100644
--- a/apps/audits/utils.py
+++ b/apps/audits/utils.py
@@ -1,13 +1,15 @@
 import codecs
 import copy
 import csv
+
 from itertools import chain
+from datetime import datetime
 
 from django.db import models
 from django.http import HttpResponse
 
+from common.utils.timezone import as_current_tz
 from common.utils import validate_ip, get_ip_city, get_logger
-from settings.serializers import SettingsSerializer
 from .const import DEFAULT_CITY
 
 logger = get_logger(__name__)
@@ -70,6 +72,8 @@ def _get_instance_field_value(
                 f.verbose_name = 'id'
             elif isinstance(value, (list, dict)):
                 value = copy.deepcopy(value)
+            elif isinstance(value, datetime):
+                value = as_current_tz(value).strftime('%Y-%m-%d %H:%M:%S')
             elif isinstance(f, models.OneToOneField) and isinstance(value, models.Model):
                 nested_data = _get_instance_field_value(
                     value, include_model_fields, model_need_continue_fields, ('id',)
diff --git a/apps/common/local.py b/apps/common/local.py
index 947ae3d6b..19b00537e 100644
--- a/apps/common/local.py
+++ b/apps/common/local.py
@@ -1,7 +1,7 @@
 from werkzeug.local import Local
 
 thread_local = Local()
-encrypted_field_set = set()
+encrypted_field_set = {'password'}
 
 
 def _find(attr):