推荐几个cocoapods镜像源

$ cd ~/.cocoapods/repos 
$ pod repo remove master

清华源

$ git clone https://mirrors.tuna.tsinghua.edu.cn/git/CocoaPods/Specs.git master

北京外国语大学

$ git clone https://mirrors.bfsu.edu.cn/git/CocoaPods/Specs.git master

gitclub

$ git clone https://gitclub.cn/CocoaPods/Specs.git master