快照订单号以及退款订单号

internal/model/package.go

@@ -61,6 +61,9 @@ type PackageUsage struct {
 	gorm.Model
 	BaseModel                 `gorm:"embedded"`
 	OrderID                   uint       `gorm:"column:order_id;index;not null;comment:订单ID" json:"order_id"`
+	OrderNo                   string     `gorm:"column:order_no;type:varchar(30);not null;default:'';comment:订单号快照（从订单复制）" json:"order_no"`
+	RefundID                  *uint      `gorm:"column:refund_id;index;comment:退款单ID快照（退款后写入）" json:"refund_id,omitempty"`
+	RefundNo                  string     `gorm:"column:refund_no;type:varchar(50);not null;default:'';comment:退款单号快照（退款后写入）" json:"refund_no"`
 	PackageID                 uint       `gorm:"column:package_id;index;not null;comment:套餐ID" json:"package_id"`
 	UsageType                 string     `gorm:"column:usage_type;type:varchar(20);not null;comment:使用类型 single_card-单卡套餐 device-设备级套餐" json:"usage_type"`
 	IotCardID                 uint       `gorm:"column:iot_card_id;index;comment:IoT卡ID(单卡套餐时有值)" json:"iot_card_id"`