安装language-pack-en-base包，解决不同语言之间可能发生的冲突

apt update

apt install language-pack-en-base

locale-gen en_US.UTF-8

安装php7.1的模块

apt-get -y install php7.2-mysql

apt-get -y install php7.2-mysql

apt-get install php7.2-curl php7.2-xml php7.2-mcrypt php7.2-json php7.2-gd php7.2-mbstring