Sheng Xing You Xuan clearly chose the delivery notice, why didn't he notice it every time?

When I was sleeping, I thought, why didn't I receive the reminder of arrival?

Generally, after placing an order, a link arrival reminder will pop up in your applet. If you set this notification to cancel, you will not be reminded when it arrives, but if you set this arrival notification to OK, it will open your calendar and remind you when it arrives.