diff --git a/api/dto/OrderProduct.go b/api/dto/OrderProduct.go
index e4e37b1..203bcd3 100644
--- a/api/dto/OrderProduct.go
+++ b/api/dto/OrderProduct.go
@@ -60,6 +60,7 @@ type OrderProductDto struct {
 	OrderInquiryCase      *OrderInquiryCaseDto      `json:"order_inquiry_case"`      // 问诊病例
 	OrderProductCoupon    *OrderProductCouponDto    `json:"order_product_coupon"`    // 优惠卷
 	ProductName           string                    `json:"product_name"`            // 药品数据
+	DiscountAmount        float64                   `json:"discount_amount"`         // 优惠金额
 }
 
 // OrderProductConsigneeDto 药品订单收货人数据
diff --git a/api/service/orderProduct.go b/api/service/orderProduct.go
index 5cba44d..c92b03f 100644
--- a/api/service/orderProduct.go
+++ b/api/service/orderProduct.go
@@ -86,6 +86,9 @@ func (r *OrderProductService) GetOrderProduct(orderProductId int64) (g *dto.Orde
 	// 加载药品订单优惠卷数据
 	g.LoadOrderProductCoupon(orderProductCoupon)
 
+	// 计算优惠金额
+	g.DiscountAmount = orderProduct.AmountTotal + orderProduct.LogisticsFee - orderProduct.CouponAmountTotal - orderProduct.PaymentAmountTotal
+
 	return g, nil
 }