PHP Fatal error: Class UpdateHelper\ComposerPlugin contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (Composer\Plugin\PluginInterface::deactivate, Composer\Plugin\PluginInterface::uninstall) in D:\phpstudy_pro\gddx_listen_admin_v3\listen_admin\vendor\kylekatarnls\update-helper\src\UpdateHelper\ComposerPlugin.php on line 11
执行composer命令时 报上面这个错，甚至coposer -v 都会报错
目前我遇到这个是composer版本问题。当然也可能是其他问题
windows本地安装的是composer2.0
然后用phpstudy安装了composer1.8.1 执行安装命令，安装成功
