Administrator@changwei MINGW64 /d/github/test
$ composer require changwei/array2text


  [InvalidArgumentException]
  Could not find package changwei/array2text at any version for your minimum-
  stability (stable). Check the package spelling or your minimum-stability


require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-suggest] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--] [<packages>]...

报上面的错误，https://packagist.org/package... 这个包在仓库是可以搜索到的，这是什么原因呢？