composer require aws/aws-sdk-php时候报如下错！
专注于为中小企业提供网站设计制作、做网站服务,电脑端+手机端+微信端的三站合一,更高效的管理,为中小企业柳南免费做网站提供优质的服务。我们立足成都，凝聚了一批互联网行业人才，有力地推动了上千家企业的稳健成长，帮助中小企业通过网站建设实现规模扩充和转变。
[Composer\Downloader\TransportException]
The "https://packagist.laravel-china.org/p/aws/aws-sdk-php%249b148b0156ebe4ff27b810e1b682b39ba578f8a895daa3646554e0297d96e09d.json" file could not be downloaded: Peer certifica
te CN=*.phphub.org' did not match expected CN=packagist.laravel-china.org'
Failed to enable crypto
failed to open stream: operation failed
遇到这样的问题！
怎么解决？更换镜像！
composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
composer require aws/aws-sdk-php
文章标题：filecouldnotbedownloaded:
URL网址：
http://cdkjz.cn/article/gesjjp.html
