pod lib create Question!!!

[wvqusrtg]

ai-nixs:temp nixinsheng$ pod lib create NICC
Cloning https://github.com/CocoaPods/pod-template.git into NILuck.
Configuring NILuck template.
env: ruby\r: No such file or directory

To learn more about the template see https://github.com/CocoaPods/pod-template.git.
To learn more about creating a new pod, see https://guides.cocoapods.org/making/making-a-cocoapod.
You have new mail in /var/mail/nixinsheng

what should I do?
what should I do?
what should I do?

[wvqusrtg]

I got it,question of git!