diff --git a/server/product/internal/logic/getproductsteppricelogic.go b/server/product/internal/logic/getproductsteppricelogic.go
index 60527bcf..8db90850 100644
--- a/server/product/internal/logic/getproductsteppricelogic.go
+++ b/server/product/internal/logic/getproductsteppricelogic.go
@@ -131,7 +131,7 @@ func (l *GetProductStepPriceLogic) GetProductStepPrice(req *types.GetProductStep
 			})
 		}
 		//计算起购数量的单价
-		_, minBuyUnitsQuantityPrice, err := l.svcCtx.Repositories.NewShoppingCart.CaculateStepPrice(stepPrice.MinBuyUnitsNum, stepPrice, fittingPrice)
+		_, itemPrice, err := l.svcCtx.Repositories.NewShoppingCart.CaculateStepPrice(stepPrice.MinBuyUnitsNum, stepPrice, fittingPrice)
 		if err != nil {
 			return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to get min buy quantity item price")
 		}
@@ -142,8 +142,8 @@ func (l *GetProductStepPriceLogic) GetProductStepPrice(req *types.GetProductStep
 			"max_price":                          maxPrice,
 			"step_range":                         stepRange,
 			"min_buy_units_quantity":             stepPrice.MinBuyUnitsNum,
-			"min_buy_units_quantity_total_price": format.CentitoDollarWithNoHalfAdjust(minBuyUnitsQuantityPrice*stepPrice.MinBuyUnitsNum, 2),
-			"min_buy_units_quantity_item_price":  format.CentitoDollar(minBuyUnitsQuantityPrice, 3),
+			"min_buy_units_quantity_total_price": format.CentitoDollarWithNoHalfAdjust(itemPrice*stepPrice.MinBuyUnitsNum, 2),
+			"min_buy_units_quantity_item_price":  format.CentitoDollar(itemPrice, 3),
 		}
 	}
 	return resp.SetStatusWithMessage(basic.CodeOK, "success", mapRsp)