kcp 카드결제 오류

$i_price = $i_price + $i_send_cost + $i_send_cost2 - $i_temp_point - $i_send_coupon;
$order_price = $tot_od_price*1.1 + $send_cost + $send_cost2 - $tot_sc_cp_price - $od_temp_point;

// 주문금액과 결제금액이 일치하는지 체크
if($tno) {
    if((int)$order_price !== (int)$pg_price) {
        $cancel_msg = '결제금액 불일치';
        switch($od_pg) {
            case 'lg':
                include G5_SHOP_PATH.'/lg/xpay_cancel.php';
                break;
            case 'inicis':
                include G5_SHOP_PATH.'/inicis/inipay_cancel.php';
                break;
            case 'KAKAOPAY':
                $_REQUEST['TID']               = $tno;
                $_REQUEST['Amt']               = $amount;
                $_REQUEST['CancelMsg']         = $cancel_msg;
                $_REQUEST['PartialCancelCode'] = 0;
                include G5_SHOP_PATH.'/kakaopay/kakaopay_cancel.php';
                break;
            default:
                include G5_SHOP_PATH.'/kcp/pp_ax_hub_cancel.php';
                break;
        }
        
        if(function_exists('add_order_post_log')) add_order_post_log($cancel_msg);
        die("Receipt Amount Error");
    }
}