If we want to use Chinese input method in Linux, many people may be used Chewing. If you want to know how to install it, you can refer: [Linux] Install the Chewing Chinese input method in Ubuntu
But sometimes, after we installing the input method, it is still doesn't work. We have some solutions to fix it, I record in below.
Check your architecture is Fcitx or iBus
In fact, the Chewing input method is both exist in Fcitx and iBus, so we need to check the system settings are correct.
基本上現在 Chewing (新酷音) 在 Fcitx 以及 iBus 裡面都有了，那麼我們要確認是否在 System 裡面設定錯誤了：
The keyboard input method system you need to select the system that you install Chewing.
Generate the Language Environment
This solution you can read from: https://askubuntu.com/questions/1032465/how-can-i-use-chewingzhuyin-input-method
Use the following command to generate the input method's language environment:
sudo locale-gen zh_TW.UTF-8