rubymine新建rails项目错误信息Could not find gem 'sdoc (>= 0) x86-mingw32'
[rake--tasks]C:/Ruby193/lib/ruby/gems/1.9.1/gems/bundler-1.3.5/lib/bundler/resolver.rb:296:in`resolve':Couldnotfindgem'sdoc(>=0)x86-mingw32'inthegemsavailableonthismachine.(Bundler::GemNotFound)fromC: