src/MysqlProxy.php
public function onClientClose(\Swoole\Coroutine\Client $cli)
    {
        MySQLPool::destruct($cli, $this->database ? ($this->model . DB_DELIMITER . $this->database) : $this->model);
    }
public function onClientClose(\Swoole\Coroutine\Client $cli)
    {
        MySQLPool::destruct($cli, $this->database ? ($this->model . DB_DELIMITER . $this->database) : $this->model);
    }
close.

@param Client $cli