平台：Windows下cmd命令行內
問題
[ComposerDownloaderTransportException] The "https://packagist.phpcomposer.com/p/symfony/console%24d950ef3530177f1369e07819fc1ec06ecc07752fe52a7cb2daac59e8 fcf64fa9.json" file could not be downloaded (HTTP/1.1 404 Not Found)
解决
composer源的问题，多试几遍 如果不行 將composer切換成國內鏡像 再不行 1.運行 composer update -vvv
2.composer update 再更新一下