/Users/junhaoshen/.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/junhaoshen/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:17:in`'
from /Users/junhaoshen/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems.rb:1332:in`require'
from/Users/junhaoshen/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems.rb:1332:in`'
from/Users/junhaoshen/.rvm/rubies/ruby-2.0.0-p643/lib/ruby/site_ruby/2.0.0/rubygems.rb:116:in`'
from:1:in `require'
from:1:in `'
因?yàn)橹案铝薵em的時(shí)候? 嘗試使用了 os 10.11 版本之前的更新語(yǔ)句? sudo gem update --system? ? ? ? （sudo gem update -n /usr/local/bin —system? 之前用這個(gè)語(yǔ)句沒(méi)有提示升級(jí)拍鲤，但是用了sudo gem update --system 這個(gè)語(yǔ)句 卻升級(jí)了 ?） ??
導(dǎo)致gem顯示更新了? 而ruby沒(méi)有更新谨履，所以報(bào)上面的錯(cuò)誤? 之后更新過(guò)ruby的版本之后就好了? 更新方式看上一篇的Cocopods的更新? 更新完之后? 會(huì)讓你重新安裝cocopods的 ? ?執(zhí)行 ?語(yǔ)句 ? ? ?sudo gem install -n /usr/local/bin cocoa pods ?這個(gè)安裝就好
