How to cancel the automatic screen lock in Redmi?

How Redmi cancels the automatic screen lock is as follows.

1, enter the phone, and set-All Settings-Security and Privacy-Screen Security Protection-Screen Password-to Off. 2. Open the developer option (please skip this step if you already have the developer option). Go back to all settings interface and pull to the last item, about mobile phone. 3. Click on the developer option for 4 consecutive times, close the lock screen and directly enter the system: in all settings, find the developer option in the interface-directly enter the system-and set it to open.

Automatic screen locking is to automatically lock the screen of the mobile phone to protect the data security of the system. 、