Gateway::bindUid($client_id,$user_id);
$userArr = Gateway::getClientIdByUid($user_id);
if(count($userArr)>0){
    foreach ($userArr as $key => $value) {
        // Gateway::unbindUid($userArr, $user_id);
        if($userArr!=$client_id){
            Gateway::closeClient($userArr);
        }
    }
}