One plus 9pro How to set the notification not to display the content?

When the phone is locked, if there is a message notification, the message content of the notification will be displayed on the screen. If you don't want others to see it, you can open and hide the notification content. How to set the notification not to display content after adding 9pro?

One plus 9pro How to set the notification not to display the content? 1. Click Notifications and Status Bar in the phone settings menu.

2, click on the notification management.

3. Click Lock Screen Notification and select Show Notification but Hide Content.

In this paper, one plus nine 9pro is taken as an example, which is suitable for coloros 1 1.2 system.