vi /etc/defaulat/locale
# File generated by update-locale LANG="zh_TW.UTF-8" LC_NUMERIC="zh_TW.UTF-8" LC_TIME="zh_TW.UTF-8" LC_MONETARY="zh_TW.UTF-8" LC_PAPER="zh_TW.UTF-8" LC_NAME="zh_TW.UTF-8" LC_ADDRESS="zh_TW.UTF-8" LC_TELEPHONE="zh_TW.UTF-8" LC_MEASUREMENT="zh_TW.UTF-8" LC_IDENTIFICATION="zh_TW.UTF-8"
sudo locale-gen zh_TW.UTF-8