更新了gem后怎么输入都是这个错误

Question

chenfengdeMacBook-Pro:~ chenfeng$ gem install cocoapods
/Users/chenfeng/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:17:in `require': cannot load such file -- stringio (LoadError)

from /Users/chenfeng/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:17:in `<top (required)>'
from /Users/chenfeng/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems.rb:1333:in `require'
from /Users/chenfeng/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems.rb:1333:in `<module:Gem>'
from /Users/chenfeng/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems.rb:116:in `<top (required)>'
from <internal:gem_prelude>:1:in `require'
from <internal:gem_prelude>:1:in `<compiled>'

求大神指点

Answer 1

应该是源的问题，使用官方源的请检查梯子工作是否正常，不然还是换成 ruby-china 的源吧

Answer 2

我也遇到同一个问题，请问解决了吗，求指点指点QQ：823895643