1. Click "New Delivery Note" in the function navigation window to add and save documents. Click Print Format Design under the Print button to enter the print format design interface.

2. In the print format design interface, select a print format template and click Design Format to enter the print format design interface. Click the "Delivery Date" text box in the template designer, right-click and click "Display Format" in the pop-up interface to enter the display format setting interface.

3. The date format can be customized or the built-in format can be selected. In this example, select "Custom", then enter the required format in the custom format, and click "OK".