webman的 webman/event 和 webman/console 是不是有冲突呀

问题描述

我先安装了 webman/event

然后安装了命令行 webman/console

执行 php webman verison 报错

报错信息

PHP Fatal error: Declaration of Webman\Event\EventListCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int in /Users/apple/Documents/workspace/gitLab/demo/vendor/webman/event/src/EventListCommand.php on line 29

Fatal error: Declaration of Webman\Event\EventListCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int in /Users/apple/Documents/workspace/gitLab/demo/vendor/webman/event/src/EventListCommand.php on line 29

截图报错信息里报错文件相关代码