安装cocoapods出现的问题

cocoapods安装成功了，但是这个有些库不能够下载。安装版本1.0.1

mini系统10.11.4

安装cocoapods出现这样的问题，求大神解答？

mini-2:~ $ pod setup

Setting up CocoaPods master repo

[!] /usr/bin/git clone https://github.com/CocoaPods/Specs.git master

Cloning into 'master'...

fatal: unable to access 'https://github.com/CocoaPods/Specs.git/': SSL: can't load CA certificate file /Users/bdgk/goagent/local/CA.crt