locale-gen en_US.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LANGUAGE=en_US.UTF-8如果出现错误：locale-gen: command not found
解决：
sudo apt-get install -y locales
sudo localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
sudo locale-gen en_US.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LANGUAGE=en_US.UTF-8
