for (DelStorageInventory delStorageInventory : delStorageInventorys) {

			

			System.out.println(delStorageInventory.getId());  //这个id有值

			

			DelStorageInventoryOut delStorageInventoryOut = new DelStorageInventoryOut();

			System.out.println(delStorageInventoryOut.getId());  //这个id为null

			delStorageInventoryOut.setSn(this.snDao.generate(Sn.Type.delStorageInventoryOut));

			delStorageInventoryOut.setQuantity(delStorageInventory.getQuantity());

			delStorageInventoryOut.setMember(this.memberService.getCurrent());

			delStorageInventoryOut.setOperator(this.adminService.getCurrent());

			delStorageInventoryOut.setDelStorageInventory(delStorageInventory);

			this.delStorageInventoryOutService.save(delStorageInventoryOut);

		}

我要保存的是DelStorageInventoryOut这个对象，报的异常是DelStorageInventory 这个对象的。DelStorageInventory 这个对象的id是有值，但是我又不保存它。对我保存DelStorageInventoryOut这个对象有影响吗？
异常:

org.hibernate.PersistentObjectException: detached entity passed to persist: com.delawaresaving.entity.DelStorageInventory

求解答，新手不怎么懂。。