-f

internal/domains/product/entities/component_report_download.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/shopspring/decimal"
 	"gorm.io/gorm"
 )
 
@@ -22,6 +23,9 @@ type ComponentReportDownload struct {
 	SubProductIDs   string `gorm:"type:text" comment:"子产品ID列表（JSON数组，组合包使用）"`
 	SubProductCodes string `gorm:"type:text" comment:"子产品编号列表（JSON数组）"`
 
+	// 价格相关字段
+	DownloadPrice decimal.Decimal `gorm:"type:decimal(10,2);not null" comment:"实际支付价格"`
+
 	// 下载相关信息
 	FilePath       *string    `gorm:"type:varchar(500)" comment:"生成的ZIP文件路径（用于二次下载）"`
 	FileHash       *string    `gorm:"type:varchar(64)" comment:"文件哈希值（用于缓存验证）"`