diff --git a/internal/biz/bo/order_bo.go b/internal/biz/bo/order_bo.go
index d84e2d7..00f60a3 100644
--- a/internal/biz/bo/order_bo.go
+++ b/internal/biz/bo/order_bo.go
@@ -16,7 +16,7 @@ type OrderBo struct {
 	Status      vo.OrderStatus
 	AppID       string
 	MerchantNo  string
-	Channel     vo.OrderChannel
+	Channel     vo.Channel
 	CreateTime  *time.Time
 	UpdateTime  *time.Time
 }
@@ -27,7 +27,7 @@ type OrderCreateReqBo struct {
 	ProductNo   string
 	Account     string
 	AccountType vo.OrderAccountType
-	Channel     vo.OrderChannel
+	Channel     vo.Channel
 	AppID       string
 	MerchantNo  string
 }
diff --git a/internal/biz/bo/product_bo.go b/internal/biz/bo/product_bo.go
index b14b938..c17310f 100644
--- a/internal/biz/bo/product_bo.go
+++ b/internal/biz/bo/product_bo.go
@@ -1,17 +1,20 @@
 package bo
 
-import "time"
+import (
+	"time"
+	"voucher/internal/biz/vo"
+)
 
 // ProductBo 领域实体Bo结构，字段和模型字段保持一致
 type ProductBo struct {
-    ID int32
-    Name string
-    ProductNo string
-    BatchName string
-    BatchNo string
-    AppID string
-    MerchantNo string
-    Channel bool
-    CreateTime time.Time
-    UpdateTime time.Time
+	ID         int32
+	Name       string
+	ProductNo  string
+	BatchName  string
+	BatchNo    string
+	AppID      string
+	MerchantNo string
+	Channel    vo.Channel
+	CreateTime *time.Time
+	UpdateTime *time.Time
 }
diff --git a/internal/biz/vo/channel.go b/internal/biz/vo/channel.go
new file mode 100644
index 0000000..374d9d4
--- /dev/null
+++ b/internal/biz/vo/channel.go
@@ -0,0 +1,32 @@
+package vo
+
+type Channel uint8
+
+const (
+	OrderChannelWechat Channel = iota + 1
+	OrderChannelAlipay
+)
+
+var OrderChannelMap = map[Channel]string{
+	OrderChannelWechat: "微信",
+	OrderChannelAlipay: "支付宝",
+}
+
+func (s Channel) GetText() string {
+	if t, ok := OrderChannelMap[s]; ok {
+		return t
+	}
+	return ""
+}
+
+func (s Channel) GetValue() uint8 {
+	return uint8(s)
+}
+
+func (s Channel) IsWeChat() bool {
+	return s == OrderChannelWechat
+}
+
+func (s Channel) IsAlipay() bool {
+	return s == OrderChannelAlipay
+}
diff --git a/internal/biz/vo/order_channel.go b/internal/biz/vo/order_channel.go
deleted file mode 100644
index ba48d51..0000000
--- a/internal/biz/vo/order_channel.go
+++ /dev/null
@@ -1,32 +0,0 @@
-package vo
-
-type OrderChannel uint8
-
-const (
-	OrderChannelWechat OrderChannel = iota + 1
-	OrderChannelAlipay
-)
-
-var OrderChannelMap = map[OrderChannel]string{
-	OrderChannelWechat: "微信",
-	OrderChannelAlipay: "支付宝",
-}
-
-func (s OrderChannel) GetText() string {
-	if t, ok := OrderChannelMap[s]; ok {
-		return t
-	}
-	return ""
-}
-
-func (s OrderChannel) GetValue() uint8 {
-	return uint8(s)
-}
-
-func (s OrderChannel) IsWeChat() bool {
-	return s == OrderChannelWechat
-}
-
-func (s OrderChannel) IsAlipay() bool {
-	return s == OrderChannelAlipay
-}
diff --git a/internal/data/model/product.gen.go b/internal/data/model/product.gen.go
index 890f74b..a10afb1 100644
--- a/internal/data/model/product.gen.go
+++ b/internal/data/model/product.gen.go
@@ -12,16 +12,16 @@ const TableNameProduct = "product"
 
 // Product mapped from table <product>
 type Product struct {
-	ID         int32     `gorm:"column:id;primaryKey;autoIncrement:true" json:"id"`
-	Name       string    `gorm:"column:name;not null;comment:商品名称" json:"name"`                       // 商品名称
-	ProductNo  string    `gorm:"column:product_no;not null;comment:商品编号" json:"product_no"`           // 商品编号
-	BatchName  string    `gorm:"column:batch_name;not null;comment:批次名称" json:"batch_name"`           // 批次名称
-	BatchNo    string    `gorm:"column:batch_no;not null;comment:立减金批次号" json:"batch_no"`             // 立减金批次号
-	AppID      string    `gorm:"column:app_id;not null;comment:批次所属应用" json:"app_id"`                 // 批次所属应用
-	MerchantNo string    `gorm:"column:merchant_no;not null;comment:商户号，创建批次的商户号" json:"merchant_no"` // 商户号，创建批次的商户号
-	Channel    bool      `gorm:"column:channel;not null;comment:1:微信 2:支付宝" json:"channel"`           // 1:微信 2:支付宝
-	CreateTime time.Time `gorm:"column:create_time;not null" json:"create_time"`
-	UpdateTime time.Time `gorm:"column:update_time" json:"update_time"`
+	ID         int32      `gorm:"column:id;primaryKey;autoIncrement:true" json:"id"`
+	Name       string     `gorm:"column:name;not null;comment:商品名称" json:"name"`                       // 商品名称
+	ProductNo  string     `gorm:"column:product_no;not null;comment:商品编号" json:"product_no"`           // 商品编号
+	BatchName  string     `gorm:"column:batch_name;not null;comment:批次名称" json:"batch_name"`           // 批次名称
+	BatchNo    string     `gorm:"column:batch_no;not null;comment:立减金批次号" json:"batch_no"`             // 立减金批次号
+	AppID      string     `gorm:"column:app_id;not null;comment:批次所属应用" json:"app_id"`                 // 批次所属应用
+	MerchantNo string     `gorm:"column:merchant_no;not null;comment:商户号，创建批次的商户号" json:"merchant_no"` // 商户号，创建批次的商户号
+	Channel    uint8      `gorm:"column:channel;not null;comment:1:微信 2:支付宝" json:"channel"`           // 1:微信 2:支付宝
+	CreateTime *time.Time `gorm:"column:create_time;not null" json:"create_time"`
+	UpdateTime *time.Time `gorm:"column:update_time" json:"update_time"`
 }
 
 // TableName Product's table name