Go to Settings → Region & Language: Check whether Simplified Chinese is installed. If not, select it to install
If Simplified Chinese is not checked, you need to check it, and then click Applay → Applay System-Wide → Close
After installing the Chinese input method, you need to restart to see the smart pinyin option:
xxxxxxxxxx
sudo apt update
sudo apt install ibus-pinyin -y
After restarting the system, enter Settings → Keyboard adds keyboard input source:
Only after restarting the system can you search for the smart pinyin input method in the keyboard input source:
Click the input method in the upper right corner to switch: you can also use the Shift key to switch!
Move Chinese (China)
to the top and apply it to the entire system: the system Chinese language will take effect after restarting!