CocoaPods Install
1、Check the gem version: gem --version 2、If the gem version is less than 2.6.14, it is recommended to upgrade to version 2.6.14 or higher: sudo gem update --system 3、Change the gem source: sudo gem --remove https://rubygems.org sudo gem --add http://gems.ruby-china.org 4、Use the Sudo-less install method to install CocoaPods: a)、Create a new directory in your Home directory, such as Vendor/ruby b)、export GEM_HOME=$HOME/Vendor/ruby c)、export PATH=$HOME/Vendor/ruby/bin:$PATH d)、gem install cocoapods -v 1.5 5、Add the environment variable from step 3b to the ~/.