https://github.com/xpressengine/plugin-comment/blob/master/src/Controllers/UserController.php#L728 <img width="711" alt="image" src="https://user-images.githubusercontent.com/63186553/230545369-0d65fdfb-5a88-4d46-914a-8fc52c83eec2.png"> `Hash::check($inputs['certify_key'], $comment->certifyKey) === false` 에서 $comment-> certifyKey가 아닌, $comment->certify_key로 접근해야함.