今天安装pods发生无法下载问题，

Unable to download data from XXX

切换了镜像源解决

  • 查看镜像源
gem sources -l
  • 删除淘宝镜像源 -r remove
sudo gem sources -r https://ruby.taobao.org/
  • 添加新的镜像源 -a add
sudo gem sources -a https://rubygems.org
  • 安装
sudo gem install cocoapods
  • 成功 Successfully installed cocoapods-1.10.0 Parsing documentation for cocoapods-1.10.0 Done installing documentation for cocoapods after 2 seconds

参考：https://blog.csdn.net/li_ph/article/details/43852845