cocoapods的两个源。

gem sources (http://rubygems-china.oss.aliyuncs.com)

pod sources （https://coding.net/u/hging/p/Specs/git）

cd ~/.cocoapods (pod repos/master所在位置)

sudo gem update -n /usr/local/bin --system（mac10.12.1系统更新gem）

彻底删除cocoapods一次执行下面命令

sudo rm -rf ~/.cocoapods

(

sudo gem uninstall cocoapods

sudo gem uninstall cocoapods-core

sudo gem uninstall cocoapods-deintegrate

sudo gem uninstall cocoapods-downloader

sudo gem uninstall cocoapods-plugins

sudo gem uninstall cocoapods-search

sudo gem uninstall cocoapods-stats

sudo gem uninstall cocoapods-try

sudo gem uninstall cocoapods-trunk

)

如果是github.com 打不开建议修改/etc/hosts 里面的github对应的ip地址

其他不用在赘述