diff --git a/cmd/model/contract.go b/cmd/model/contract.go
index d46c4db..a62d5ba 100644
--- a/cmd/model/contract.go
+++ b/cmd/model/contract.go
@@ -18,8 +18,9 @@ type Contract struct {
 	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"`
 	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:Uid;references:BatchUid"` //当前批次的物权委托单详情
+	ArtworkInfo   []ArtworkTxDetail `gorm:"foreignKey:BatchID;references:Uid"` //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