One Plus 9r How to Hide the Content of Screen Lock Notification

When the mobile phone is locked, the content of the notification message will also be displayed on the screen, which may be discovered by a willing heart. How to hide the content of the lock screen notification by adding 9r?

How to hide the content of lock screen notification with one plus 9r?

1. Click Notifications and Status Bar in the phone settings menu.

2. Click the screen lock notification option.

3. Click the lock screen notification and select Don't show.

This paper takes one plus 9R as an example and applies it to coloros 13 system.