diff --git a/cmd/model/contract.go b/cmd/model/contract.go
index a62d5ba..c2f052c 100644
--- a/cmd/model/contract.go
+++ b/cmd/model/contract.go
@@ -17,20 +17,31 @@ type Contract struct {
 	Status        int32             `gorm:"column:status;default:2;comment:2=锁定 3=解锁" json:"status" `               //跟随用户的锁定和解锁状态,用于控制数据的展示
 	LockTime      string            `gorm:"column:lock_time;comment:锁定时间" json:"lockTime"`
 	SignTime      string            `gorm:"column:sign_time;comment:签署时间" json:"sign_time"`
-	BatchName     string            `gorm:"column:batch_name;comment:批次名" json:"batch_name"`
-	BatchID       string            `gorm:"column:batch_id;comment:批次ID" json:"batch_id"`
+	BatchUid      string            `gorm:"column:batch_uid;comment:批次ID" json:"batch_uid"`
 	StType        int32             `gorm:"column:st_type;unqiueIndex:sttype_uid_batchtime_idx;comment:对账单类型 1=版权 2=物权;"`
-	ArtworkInfo   []ArtworkTxDetail `gorm:"foreignKey:BatchID;references:Uid"` //当前批次的物权委托单详情
+	ArtworkInfo   []ArtworkTxDetail `gorm:"foreignKey:BatchUid;references:BatchUid"` //当前批次的物权委托单详情
 	CreatedAt     int32             `gorm:"column:created_at;autoCreateTime"`
 	UpdatedAt     int32             `gorm:"column:updated_at;autoCreateTime"`
 	DeletedAt     soft_delete.DeletedAt
 }
 
+//对账单画作物权
+type ArtworkTx struct {
+	ID         int32  `gorm:"column:id;type:int(11);primary_key;AUTO_INCREMENT" json:"id"`
+	Uid        string `gorm:"column:uid;type:varchar(100);comment:对账单画作物权表的唯一表示,即批次BatchUid;NOT NULL" json:"uid"`
+	ArtistUid  string `gorm:"column:artist_uid;type:varchar(100);comment:画家Uid;NOT NULL" json:"artist_uid"`
+	ArtistName string `gorm:"column:artist_name;type:varchar(100);comment:画家名;NOT NULL" json:"artist_name"`
+	BatchName  string `gorm:"column:batch_name;comment:批次名" json:"batch_name"`
+	CreatedAt  int32  `gorm:"column:created_at;autoCreateTime"`
+	UpdatedAt  int32  `gorm:"column:updated_at;autoCreateTime"`
+	DeletedAt  soft_delete.DeletedAt
+}
+
 // 对账单画作物权委托详情
 type ArtworkTxDetail struct {
 	ID             int32   `gorm:"column:id;type:int(11);primary_key;AUTO_INCREMENT" json:"id"`
 	Uid            string  `gorm:"column:uid;type:varchar(100);comment:对账单画作物权详情表的唯一表示;NOT NULL" json:"uid"`
-	BatchUid       int64   `gorm:"column:batch_id;unqiueIndex:batchid_tfnum_idx;comment:批次id;"`
+	BatchUid       string  `gorm:"column:batch_uid;type:varchar(100);comment:对账单画作物权表的唯一表示,即批次BatchUid;NOT NULL" json:"batch_uid"`
 	TfNum          string  `gorm:"column:tf_num;unqiueIndex:batchid_tfnum_idx;comment:"泰丰画作编号"`
 	ArtworkName    string  `gorm:"column:artwork_name;comment:画作名称"`
 	Ruler          string  `gorm:"column:ruler;comment:平尺"`