diff --git a/apps/monitor/services.py b/apps/monitor/services.py
index 00cfbe49..1781a931 100644
--- a/apps/monitor/services.py
+++ b/apps/monitor/services.py
@@ -28,14 +28,14 @@ def create_auditlog(action: str, instance,  val_new: dict, val_old: dict = None,
                                 'create_by', 'update_by', 'create_time', 'update_time', 'id'])
     difference = []
     has_changed = False
+    change_user_l = change_user if change_user else instance.update_by
+    change_time_l = change_time if change_time else instance.update_time
     if action == 'create':
         has_changed = True
         change_user_l = change_user if change_user else instance.create_by
         change_time_l = change_time if change_time else instance.create_time
     elif action == 'delete':
         has_changed = True
-        change_user_l = change_user if change_user else instance.update_by
-        change_time_l = change_time if change_time else instance.update_time
     else:
         has_changed = True
         change_user_l = change_user