How does Win8 set the lock screen after notification?

Win8 can specify the notification of some applications when the screen is locked. Other program notifications that are not specified can only be displayed when it is not locked.

First make sure the notification is turned on under the system. Open the Charm, select “Set”, select “Change PC Settings in the lower right corner, and select “Notifications”.

Make sure “app notifications "turn on,“screen lock notifications" Applications that need to display notifications while in the lock screen state are also guaranteed to be turned on.

Go back to “Personalization" 

Click on the “+” number in the lock screen app to add the program. The notification can be displayed while the screen is locked.

To not show notifications, select the app's icon and click “ Don't show a quick status here.