Status: Operational
Reference: https://wiki.debian.org/I18n/ibus
sudo apt install ibus ibus-libpinyin
sudo reboot
After restarting, you need to manually add the Chinese input method to the input options:
System Tray Icon -> Right-click -> Preferences
Click on the Input Method tab -> Add, which will open the following window:
Click on Chinese -> Intelligent Pinyin -> Add
