From e58bc41af7ebc049c21306854a9118044d12997b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=9D=99?= <lym125@gmail.com>
Date: Thu, 14 Apr 2022 11:54:51 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=95=86=E5=93=81=E4=BC=98?=
 =?UTF-8?q?=E6=83=A0=E9=87=91=E9=A2=9D?=
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---
 app/Services/OrderService.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index efc34f46..4b571251 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -817,9 +817,12 @@ class OrderService
         foreach ($amounts as &$amount) {
             $i--;
 
+            $originalAmount = $amount;
+
             if ($i > 0) {
                 $amount = (int) bcdiv(bcmul($couponAmount, $amount, 0), $totalAmount, 2);
                 $couponAmount -= $amount;
+                $totalAmount -= $originalAmount;
             } else {
                 $amount = $couponAmount;
             }