composer更换阿里镜像

composer安装tp6时提示 error:1416F086 错误，需要更换阿里云镜像.

取消全局配置
composer config -g --unset repos.packagist
更换镜像网站
composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/

重新运行
composer create-project topthink/think tp6