Composer卡在Loading Composer Repositories With Package Information的解决方法

主要是中国防火墙太那啥了，执行下面的命令修改拉取信息的源就可以了

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

下面再给出两个源:
阿里云
https://mirrors.aliyun.com/composer/
腾讯云
https://mirrors.cloud.tencent.com/composer/