params = $params; } public function toResponse($request = null) { $res = $this->params; foreach ($res->items() as &$val) { $val->sell_nick = $val->sellUser->nick ?? ''; $val->buy_nick = $val->buyUser->nick ?? ''; $val->address = json_decode($val->address, true); unset($val->sellUser, $val->buyUser); } return json_success($res); } }