public function getConnectionAddress():string
    {
        $serviceList  = $this->getServiceList();
        if (App::hasBean('balancerSelector')) {
            $balancerType = $this->poolConfig->getBalancer();
            $balancer     = balancer()->select($balancerType);
            return $balancer->select($serviceList);
        }
        return current($serviceList);
    }