*, modify source - backup + replace
cp /etc/apt/sources.list /etc/apt/sources.list_bak
Then search the source online to replace the content of the file, and Tsinghua source is recommended.
*, install input method fcitx
*, modify source - backup + replace
cp /etc/apt/sources.list /etc/apt/sources.list_bak
Then search the source online to replace the content of the file, and Tsinghua source is recommended.
*, install input method fcitx