zsh: /usr/local/bin/pod: bad interpreter: /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby: no such file or directory

zsh: /usr/local/bin/pod: bad interpreter: /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby: no such file or directory

这是Mac升级系统导致，当你的Mac系统升级为macOS Catalina 的时候，别忘记更新cocoapods

sudo gem update --system
sudo gem install cocoapods -n/usr/local/bin