sudo gem update --system

# 移除现有的Ruby镜像
gem sources --remove https://rubygems.org/
# 添加国内最新镜像源
gem sources -a https://gems.ruby-china.org/
# 查看当前镜像是否已替换
gem sources -l

sudo gem install cocoa pods

sudo gem install -n /usr/local/bin cocoa pods

pod setup