diff --git a/erp/sale/benefit.go b/erp/sale/benefit.go
new file mode 100644
index 0000000..2c8529a
--- /dev/null
+++ b/erp/sale/benefit.go
@@ -0,0 +1,110 @@
+package sale
+
+import (
+	"context"
+	"git.kumo.work/shama/service/client"
+	"github.com/shopspring/decimal"
+	"time"
+)
+
+type benefit struct {
+}
+
+type BenefitProductItem struct {
+	Id                 int64            `json:"id"`
+	ProductId          int64            `json:"productId"`
+	Serial             string           `json:"serial"`
+	CustomSerial       string           `json:"customSerial"`
+	Name               string           `json:"name"`
+	EngName            string           `json:"engName"`
+	Mold               int64            `json:"mold"`
+	FactoryId          int64            `json:"factoryId"`
+	FactoryName        string           `json:"factoryName"`
+	FactorySerial      string           `json:"factorySerial"`
+	SaleCount          int64            `json:"saleCount"`
+	Price              decimal.Decimal  `json:"price"`
+	Amount             decimal.Decimal  `json:"amount"`
+	AmountMinusTax     decimal.Decimal  `json:"amountMinusTax"`
+	Currency           string           `json:"currency"`
+	CurrencySymbol     string           `json:"currencySymbol"`
+	CurrencyName       string           `json:"currencyName"`
+	CurrencyRate       decimal.Decimal  `json:"currencyRate"`
+	MinusTaxRate       *decimal.Decimal `json:"minusTaxRate"`
+	SalePrice          decimal.Decimal  `json:"salePrice"`
+	SaleAmount         decimal.Decimal  `json:"saleAmount"`
+	SaleCurrency       string           `json:"saleCurrency"`
+	SaleCurrencySymbol string           `json:"saleCurrencySymbol"`
+	SaleCurrencyName   string           `json:"saleCurrencyName"`
+	SaleCurrencyRate   decimal.Decimal  `json:"saleCurrencyRate"`
+	SaleAmountCny      decimal.Decimal  `json:"saleAmountCny"`
+	ProfitAndLossCny   decimal.Decimal  `json:"profitAndLossCny"`
+}
+
+// Product @TITLE 获取产品
+func (b *benefit) Product(ctx context.Context, saleId int64) (reply []BenefitProductItem, err error) {
+	xClient, err := client.GetClient(b)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "Product", saleId, &reply)
+	return
+}
+
+type ReplyBenefitInfo struct {
+	Id                    int64           `json:"id"`
+	TotalBoxCount         int64           `json:"totalBoxCount"`
+	TotalNetWeight        decimal.Decimal `json:"totalNetWeight"`
+	TotalGrossWeight      decimal.Decimal `json:"totalGrossWeight"`
+	TotalVolume           decimal.Decimal `json:"totalVolume"`
+	TotalCount            int64           `json:"totalCount"`
+	TotalProductAmount    decimal.Decimal `json:"totalProductAmount"`
+	TotalProductCost      decimal.Decimal `json:"totalProductCost"`
+	DomesticShippingCost  decimal.Decimal `json:"domesticShippingCost"`
+	DocumentCost          decimal.Decimal `json:"documentCost"`
+	OtherCost             decimal.Decimal `json:"otherCost"`
+	TotalSaleAmount       decimal.Decimal `json:"totalSaleAmount"`
+	ForeignShippingCost   decimal.Decimal `json:"foreignShippingCost"`
+	BankFees              decimal.Decimal `json:"bankFees"`
+	ForeignSafeCost       decimal.Decimal `json:"foreignSafeCost"`
+	ForeignCommission     decimal.Decimal `json:"foreignCommission"`
+	Expense               decimal.Decimal `json:"expense"`
+	Income                decimal.Decimal `json:"income"`
+	IncomePurchase        decimal.Decimal `json:"incomePurchase"`
+	ProfitAndLoss         decimal.Decimal `json:"profitAndLoss"`
+	ProfitAndLossPurchase decimal.Decimal `json:"profitAndLossPurchase"`
+	SettlementRate        decimal.Decimal `json:"settlementRate"`
+	CreatedAt             *time.Time      `json:"createdAt"`
+	UpdatedAt             *time.Time      `json:"updatedAt"`
+}
+
+// Info @TITLE 效益测算详情
+func (b *benefit) Info(ctx context.Context, saleId int64) (reply ReplyBenefitInfo, err error) {
+	xClient, err := client.GetClient(b)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "Info", saleId, &reply)
+	return
+}
+
+type ArgsBenefitEdit struct {
+	SaleId               int64           // 销售合同
+	DomesticShippingCost decimal.Decimal // 国内运杂费
+	DocumentCost         decimal.Decimal // 单证费
+	OtherCost            decimal.Decimal // 其他成本
+	TotalSaleAmount      decimal.Decimal // 出口总价
+	ForeignShippingCost  decimal.Decimal // 国外运杂费
+	BankFees             decimal.Decimal // 银行手续费
+	ForeignSafeCost      decimal.Decimal // 国外保险费
+}
+
+// Edit @TITLE 编辑
+func (b *benefit) Edit(ctx context.Context, args ArgsBenefitEdit) (err error) {
+	xClient, err := client.GetClient(b)
+	if err != nil {
+		return
+	}
+	reply := 0
+	err = xClient.Call(ctx, "Info", args, &reply)
+	return
+}
diff --git a/erp/sale/sale.go b/erp/sale/sale.go
index 573c259..e686a0a 100644
--- a/erp/sale/sale.go
+++ b/erp/sale/sale.go
@@ -4,4 +4,5 @@ type Sale struct {
 	Cost    cost
 	Product product
 	Audit   audit
+	Benefit benefit
 }