@Jean-Baptiste: Can you please show us the output of these commands on a 16.04 Chinese install:
cat /etc/default/keyboard
gsettings get org.gnome.desktop.input-sources sources
@Jean-Baptiste: Can you please show us the output of these commands on a 16.04 Chinese install:
cat /etc/default/ keyboard
gsettings get org.gnome. desktop. input-sources sources