Ruby 和 Rails 菜鸟，做了一个项目并走到了这一步。但是现在我在尝试运行 rails server 时遇到了这些错误。我正在使用 Windows vista 和 ruby 2.0.0。
D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/mysql2/mysql2.
rb:2:in `require': cannot load such file -- mysql2/2.0/mysql2 (LoadError)
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/m
ysql2/mysql2.rb:2:in `<top (required)>'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/m
ysql2.rb:9:in `require'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/m
ysql2.rb:9:in `<top (required)>'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti
me.rb:72:in `require'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti
me.rb:72:in `block (2 levels) in require'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti
me.rb:70:in `each'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti
me.rb:70:in `block in require'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti
me.rb:59:in `each'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti
me.rb:59:in `require'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler.rb:13
2:in `require'
from D:/wamp/www/simple_cms/config/application.rb:7:in `<top (required)>
'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma
nds.rb:53:in `require'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma
nds.rb:53:in `block in <top (required)>'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma
nds.rb:50:in `tap'
from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma
nds.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
到目前为止，我对 ruby 和 gems 知之甚少，但 mysql2 gem 似乎是一个问题，我已经安装并安装没有帮助。我确实经常收到一条消息，说我已经按照我遵循的命令安装了二进制版本。这是好事还是坏事？
任何人都请帮助我，如果您需要更多信息，请告诉我。