composer安装错误处理

错误提示内容

Class UpdateHelper\ComposerPlugin contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods

解决办法

rm -rf vendor
composer require kylekatarnls/update-helper:"^1.2.1"

 

composer版本：composer@2.0.8

参考文章：https://github.com/kylekatarnls/update-helper/issues/7