diff --git a/common/models/OpLog.php b/common/models/OpLog.php
index 7cbb2db..b4ec2bb 100644
--- a/common/models/OpLog.php
+++ b/common/models/OpLog.php
@@ -13,7 +13,6 @@ class OpLog extends \common\modelsgii\OpLog
             [
                 'class' => TimestampBehavior::class,
                 'attributes' => [
-                    ActiveRecord::EVENT_BEFORE_INSERT => ['created_at'],
                 ],
             ],
         ];