1. put those json config files into '~/.config/karabiner/assets/complex_modifications'
2. open karabiner element, goto complex modifications tab, click add rule then add rules we set.

Simple Modifications

Filco 键盘

from	to
escape	grave_accent_and_tilde
grave_accent_and_tilde	escape
left_command	left_option
left_option	left_command