rubi 启动服务器的时候报错

C:\eduplatform>ruby -v
ruby 2.0.0p598 (2014-11-13) [i386-mingw32]

C:\eduplatform>sqlite3 --version
3.8.7.2 2014-11-18 20:57:56 2ab564bf9655b7c7b97ab85cafc8a48329b27f93

C:\eduplatformgt;rails --version
Rails 4.0.1

C:\eduplatform>rails server
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.0.1/lib/act
ive_support/dependencies.rb:229:in require': cannot load such file -- 2.0/Conso
le_ext (LoadError)
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:inblock in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:214:in load_dependency'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:inrequire'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/win32console-1
.3.2-x86-mingw32/lib/Win32/Console.rb:12:in rescue in <top (required)>'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/win32console-1
.3.2-x86-mingw32/lib/Win32/Console.rb:8:in<top (required)>'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:inblock in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:214:in load_dependency'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:inrequire'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/win32console-1
.3.2-x86-mingw32/lib/Win32/Console/ANSI.rb:13:in <top (required)>'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:inrequire'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:in block in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:214:inload_dependency'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-
4.0.1/lib/active_support/dependencies.rb:229:in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/win32console-1
.3.2-x86-mingw32/lib/win32console.rb:1:in<top (required)>'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler/runtime.rb:76:in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler/runtime.rb:76:inblock (2 levels) in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler/runtime.rb:72:in each'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler/runtime.rb:72:inblock in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler/runtime.rb:61:in each'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler/runtime.rb:61:inrequire'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/bundler-1.7.7/
lib/bundler.rb:133:in require'
from C:/eduplatform/config/application.rb:14:in<top (required)>'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1
/lib/rails/commands.rb:74:in require'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1
/lib/rails/commands.rb:74:inblock in <top (required)>'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1
/lib/rails/commands.rb:71:in tap'
from C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.1
/lib/rails/commands.rb:71:in<top (required)>'
from bin/rails:4:in require'
from bin/rails:4:in<main>'