使用 Composer 安装 JWT 失败错误信息 The "https://packagist.org/packages.json" file could not be downloaded 解决办
用composer集成时composerupdate命令报以下错误LoadingcomposerrepositorieswithpackageinformationThe"https://packagist.laravel-china.org/packages.json"filecouldnotbedownloaded:PeercertificateCN=`*.phphub.org'didnotm