diff --git a/model/product/model.go b/model/product/model.go
index d56bb7c..59468ed 100644
--- a/model/product/model.go
+++ b/model/product/model.go
@@ -41,6 +41,7 @@ type Product struct {
 	DWPrice      float64     `json:"dwPrice"`
 	Freight      float64     `json:"freight"`               //运费
 	ExchangeRate float64     `json:"exchangeRate" gorm:"-"` //汇率
+	Discount     int         `json:"discount" gorm:"-"`     //折扣
 	Rate         float64     `json:"rate" gorm:"index"`     //利润率
 	PriceStatus  PriceStatus `json:"priceStatus"`           //价格状态
 	Remark       string      `json:"remark"`                //备注
@@ -79,23 +80,30 @@ func (p *Product) CalRate() {
 	if p.Freight == 0 {
 		p.Freight = defaultFreight
 	}
+	if p.Discount == 0 {
+		p.Discount = 100
+	}
 
 	//先计算打九折的价格
 	tmpPrice := p.USPrice * 0.9 // 这是打九折的价格
 	p.CNYPrice = tmpPrice*p.ExchangeRate + p.Freight
 	calculationProcess = append(calculationProcess, fmt.Sprintf("【九折】%.2f * 0.9 * %.2f + %.2f = %.2f", p.USPrice, p.ExchangeRate, p.Freight, p.CNYPrice))
-	if p.USPrice >= 150 {
-		calculationProcess = append(calculationProcess, fmt.Sprintf("【150 -20 】(%.2f - 20) * %.2f + %.2f = %.2f", p.USPrice, p.ExchangeRate, p.Freight, (p.USPrice-20)*p.ExchangeRate+p.Freight))
-		if p.USPrice-20 < tmpPrice {
+	var discountPrice = p.USPrice
+	if 0 < p.Discount && p.Discount < 100 {
+		discountPrice = p.USPrice * float64(p.Discount) / 100
+	}
+	if discountPrice >= 150 {
+		calculationProcess = append(calculationProcess, fmt.Sprintf("【150 -20】(%.2f * %d%% - 20) * %.2f + %.2f = %.2f", p.USPrice, p.Discount, p.ExchangeRate, p.Freight, (discountPrice-20)*p.ExchangeRate+p.Freight))
+		if discountPrice-20 < tmpPrice {
 			// 符合满150-20,而且比九折便宜
-			tmpPrice = p.USPrice - 20
+			tmpPrice = discountPrice - 20
 			p.CNYPrice = tmpPrice*p.ExchangeRate + p.Freight
 		}
-	} else if p.USPrice >= 100 {
-		calculationProcess = append(calculationProcess, fmt.Sprintf("【100 -10 】(%.2f - 10) * %.2f + %.2f = %.2f", p.USPrice, p.ExchangeRate, p.Freight, (p.USPrice-10)*p.ExchangeRate+p.Freight))
-		if p.USPrice-10 < tmpPrice {
+	} else if discountPrice >= 100 {
+		calculationProcess = append(calculationProcess, fmt.Sprintf("【100 -10】(%.2f * %d%%  - 10) * %.2f + %.2f = %.2f", p.USPrice, p.Discount, p.ExchangeRate, p.Freight, (discountPrice-10)*p.ExchangeRate+p.Freight))
+		if discountPrice-10 < tmpPrice {
 			// 符合满100 -10,而且比九折便宜
-			tmpPrice = p.USPrice - 10
+			tmpPrice = discountPrice - 10
 			p.CNYPrice = tmpPrice*p.ExchangeRate + p.Freight
 		}
 	}