当我尝试运行此命令时，我得到了这个
/home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/2.0.0/irb/completion.rb:9:in `require': cannot load such file -- readline (LoadError)
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/2.0.0/irb/completion.rb:9:in `<top (required)>'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands/console.rb:3:in `require'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands/console.rb:3:in `<top (required)>'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:128:in `require'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:128:in `require_command!'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:59:in `console'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /home/miguel/.rbenv/versions/2.0.0-p598/lib/ruby/gems/2.0.0/gems/railties-4.1.0/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
我使用Ruby 2.0.0-p598，rails 4.1.0
我安装了本地宝石