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试图安装laravel /黄昏 给我这个错误作曲家需要--dev laravel /黄昏:^ 1.0给没有安装或更新
> php artisan clear-compiled
PHP Warning: Module 'mongodb' already loaded in Unknown on line 0
The compiled services file has been removed.
Loading composer repositories with package information
Updating dependencies (including require-dev)
Nothing to install or update
如何解决这一问题?