How to turn off the virtual keyboard when logging in

English Install/Boot/Login
1

How to turn off the virtual keyboard when logging in？

I upgraded from 15.3 to 15.4 and when logging in, a full screen virtual keyboard appeared.
After closing it, when I enter the password, the full-screen virtual keyboard still appears.
How to close it?

Thanks.

2 
/usr/bin/sddm --example-config | grep Input
# Input method module
InputMethod=qtvirtualkeyboard

to disable add

InputMethod=

(without qtvirtualkeyboard)
to the [General] Section in the /etc/sddm.conf.d/kde_settings.conf

3

It works, Thank you very much.