# 用國內鏡像 個人推薦 https://pkg.phpcomposer.com ``` $ composer config -g repo.packagist composer https://packagist.phpcomposer.com ``` # 用國外鏡像 ``` composer config -g repo.packagist composer https://packagist.org ``` ## 備注 用國內鏡像輸入用戶名和密碼會報錯，如下所示： C:\xampp\htdocs\laravels>composer updateLoading composer repositories with package information Authentication required (packagist.phpcomposer.com): Username: Password:Invalid credentials for 'https://packagist.phpcomposer.com/packages.json'//后面把https://packagist.phpcomposer.com改成https://https://packagist.org才可以安裝依賴成功//目前解決辦法：composer config -g repo.packagist composer https://https://packagist.org