OPPO mobile phone operation shutdown, on-demand reading?

OPPO mobile phone off on-demand reading method:

Go to settings > other settings > accessibility > read on demand, and then turn off the switch.

Note: "Barrier-free function" menu and on-demand reading are brought up through the icon in the lower right corner of the screen. Long press the icon to switch functions.

Note: The operation path refers to ColorOS? 6 system.