From 87d3985a60ae92f688e5f202334fd25c46d493bd Mon Sep 17 00:00:00 2001
From: laodaming <11058467+laudamine@user.noreply.gitee.com>
Date: Wed, 25 Oct 2023 18:28:45 +0800
Subject: [PATCH] fix

---
 service/repositories/shopping_cart.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/service/repositories/shopping_cart.go b/service/repositories/shopping_cart.go
index 52b38248..005cd527 100644
--- a/service/repositories/shopping_cart.go
+++ b/service/repositories/shopping_cart.go
@@ -138,7 +138,7 @@ func (d *defaultShoppingCart) CaculateStepPrice(purchaseQuantity int64, stepPric
 		//购买数量>起点
 		if purchaseQuantity > v.StartQuantity {
 			//最后一个 || 小于等于终点
-			if k == l-1 || purchaseQuantity < v.EndQuantity {
+			if k == l-1 || (purchaseQuantity < v.EndQuantity && purchaseQuantity >= v.StartQuantity) {
 				itemPrice = v.Price + fittingPrice
 				return itemPrice * purchaseQuantity, itemPrice, nil
 			}