Composer 国内镜像
全局配置切换为阿里云 Composer 国内镜像
composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
华为云 镜像（推荐）
composer config -g repo.packagist composer https://mirrors.huaweicloud.com/repository/php/
腾讯云 镜像
composer config -g repos.packagist composer https://mirrors.cloud.tencent.com/composer/
Packagist 中国全量镜像
composer config -g repo.packagist composer https://packagist.phpcomposer.com
Composer 多进程并行下载依赖包，安装prestissimo扩展包即可。
composer global require hirak/prestissimo