你好，谢谢你的项目分享，我在 window cmd 命令下 运行 composer install 报错 求解！

[qiuzhanga]

E:\etc\www\laravel-4.1-simple-blog-master>composer install
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Warning: The lock file is not up to date with the latest changes in composer.json. You may be getting outdated dependencies. R
Your requirements could not be resolved to an installable set of packages.

Problem 1
- Installation request for intervention/image 2.0.8 -> satisfiable by intervention/image[2.0.8].
- intervention/image 2.0.8 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.