# 保留標題

點擊銷售單/退貨單右側的“預訂”按鈕

[![crm-order-zht.png](https://bookstack-media.s3.us-west-2.amazonaws.com/uploads/images/gallery/2021-11/scaled-1680-/x2ccrm-order-zht.png)](https://bookstack-media.s3.us-west-2.amazonaws.com/uploads/images/gallery/2021-11/x2ccrm-order-zht.png)

成功後，將鼠標懸停在銷售單/退貨單的標題上，會出現應收款編號

[![reserved-zht.png](https://bookstack-media.s3.us-west-2.amazonaws.com/uploads/images/gallery/2021-11/scaled-1680-/reserved-zht.png)](https://bookstack-media.s3.us-west-2.amazonaws.com/uploads/images/gallery/2021-11/reserved-zht.png)