composer -vvv require alibabacloud/sdk华为云

composer config -g repo.packagist composer https://mirrors.huaweicloud.com/repository/php/腾讯云

composer config -g repos.packagist composer https://mirrors.cloud.tencent.com/composer/cnpkg

composer config -g repos.packagist composer https://php.cnpkg.org](https://php.cnpkg.orgphpcomposer

Composer 官方镜像，速率较慢，国外做事器用的是这个：

phpcomposer太慢了彻底解决 Composer 太慢问题 Ruby

composer config -g repo.packagist composer https://packagist.phpcomposer.com