``` $ composer init --require=topthink/think:5.1.20 -n zhang bo <32189166@qq.com> topthink/think 5.1.20 composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ composer install ----- ``` ``` composer init composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ composer create-project topthink/think=5.1.20 tp5 ``` ``` ~~~ { "name": "administrator/20210604", "autoload": { "psr-4": { "Administrator\\20210604\\": "src/" } }, "authors": [ { "name": "Zhang Bo", "email": "z@163.com" } ], "require": { "php": ">=5.6.0", "topthink/framework": "5.1.*" } } ~~~ ``` composer init ``` ``` ``` composer require ``` ``` composer updata ```