安装cocoapods遇到拦路虎

[qq_26036375]

我安装cocoapods的时候碰到了和这个网址一样的问题http://blog.csdn.net/fairytale_1/article/details/51850734
然后我就按照他里面说的安装，当装到$ sudo gem install cocoapods的时候，出现了这个
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://rubygems-china.oss-cn-hangzhou.aliyuncs.com/quick/Marshal.4.8/cocoapods-1.0.1.gemspec.rz)
这个(https://rubygems-china.oss-cn-hangzhou.aliyuncs.com/quick/Marshal.4.8/cocoapods-1.0.1.gemspec.rz我试过，直接下下来了这个cocoapods-1.0.1.gemspec.rz 这个issue怎么解决啊，大师们

$ gem sources -l
*** CURRENT SOURCES ***

https://ruby.taobao.org/

$ rvm -v
rvm 1.27.0 (latest) by Wayne E. Seguin <[e-mail]>, Michal Papis <[e-mail]> [https://rvm.io/]

$ ruby -v
ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-darwin14]
$ sudo gem install cocoapods
Password:
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError)
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://rubygems-china.oss-cn-hangzhou.aliyuncs.com/quick/Marshal.4.8/cocoapods-1.0.1.gemspec.rz)