How does Samsung S8 display the notification, but not the details?

1. Open the phone, find the setting options on the phone desktop, and click Enter.

2. Enter the settings page, find the lock screen and security, and click Enter.

3. After entering the display interface, you can see the notification button displayed on the lock screen, and click Enter.

4. The notification page displayed on the lock screen has an option named Lock the content on the screen.

5. Click the button, and three options will appear: show all the notification contents, hide the contents, and don't show the notification. Select the hide content option.

6. After that, the mobile phone can display the notification, but not the details.