diff --git a/shop/taxsave_kcp.php b/shop/taxsave_kcp.php
index 10d843b31..4c9648bf5 100644
--- a/shop/taxsave_kcp.php
+++ b/shop/taxsave_kcp.php
@@ -14,7 +14,7 @@ $goods_name = $goods['full_name'];
 
 $trad_time = date("YmdHis");
 
-$amt_tot = (int)$od['od_receipt_price'];
+$amt_tot = (int)($od['od_receipt_price'] - $od['od_refund_price']);
 $amt_sup = (int)round(($amt_tot * 10) / 11);
 $amt_svc = 0;
 $amt_tax = (int)($amt_tot - $amt_sup);