cocoapods升級

 

一、更新gem：sudo gem update --system

　　先要查看下源，若是源被牆了就換地址：https://gems.ruby-china.com

      1.一、刪除gem源：gem sources --remove https://gems.ruby-china.org/

      1.二、修改gem源：gem sources -a https://gems.ruby-china.com

二、升級cocoapods：sudo gem install -n /usr/local/bin cocoapods --pre