@ -41,7 +41,7 @@ public class Device {
private LocalDateTime createTime = LocalDateTime.now();
// 新增:关联的制水机ID(仅供水机有值)
@Column(name = "parent_maker_id", length = 20)
@Column(name = "parent_maker_id", length = 36)
private String parentMakerId;
// 保留原有的remark方法(若表中有该字段可直接映射,无则忽略)