Go to Settings >> Screen Bracket and Screen Lock >> Information Screen Style: You can modify the type of information screen style. There are many ways to lock the screen: kaleidoscope, dial clock, digital clock, personalized signature and selected patterns. After clicking to enter the selection, you can also choose whether to display power supply/display notification.

Among them, there are many styles of personalized signature. You can customize the text, choose the color of the text, the typesetting (alignment) of the text direction, the font size and thickness (but you can't modify the font). And you can set the effect of automatically gradient colors over time. After setting the personalized signature text lock screen, the screen time will not be displayed, only the text will be displayed.