1.  Click Ctrl + Alt + F1  switch the interface to the Linux inerface

2. Input the commands : # sudo board-config.sh

3. Choose  set_locale,

4. 选择 2 Chinese (Simplified)

7. <Done>

8. Click Ctrl + Alt + F7 back to the graphic interface

9. Reboot pcDuino, and the language will switch to Chinese

Note: with the  Tab key on the keyboard to switch the cursor ， then press Enter