Hi YunQiang Su, I had a bit of trouble activating IBus after I upgraded to gnome-shell. Then I realised I didn't have ibus-gtk3 installed. After ensuring both ibus-gtk and ibus-gtk3 were installed, I was able to activate IBus.
cya, # -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org