$ sudo apt-get update
$ sudo apt-get install fcitx-module-kimpanel 

fcitx-module-kimpanel is installed in your system.

Make ensure the fcitx-module-kimpanel package were installed using the commands given below,

$ sudo dpkg-query -l | grep fcitx-module-kimpanel *

You will get with fcitx-module-kimpanel package name, version, architecture and description in a table

fcitx-module-kimpanel package basic information: