我想学习 Symfony 框架，但我无法运行它。Composer 最新版本。我使用这个命令来安装框架，正如 Docs 所说。我使用这个命令在“project/”文件夹中启动服务器，但我得到了那个错误"Could not open input file: bin/console".
duhan@dbalci:/var/www$ composer create-project symfony/skeleton project
Installing symfony/skeleton (v4.0.5)
- Installing symfony/skeleton (v4.0.5): Loading from cache
Created project in project
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 21 installs, 0 updates, 0 removals
- Installing symfony/flex (v1.0.78): Loading from cache
- Installing symfony/polyfill-mbstring (v1.7.0): Loading from cache
- Installing symfony/console (v4.0.8): Loading from cache
- Installing symfony/routing (v4.0.8): Loading from cache
- Installing …