Cocoapods reload

uninstall

Command line ：
sudo gem uninstall cocoapods

see Cocoapods Other related components

gem list --local | grep cocoapods

My display here ：

cocoapods-core (1.11.3)
cocoapods-deintegrate (1.0.5)
cocoapods-downloader (1.6.3)
cocoapods-plugins (1.0.0)
cocoapods-search (1.0.1)
cocoapods-trunk (1.6.0)
cocoapods-try (1.2.0)

If the above components are deleted , You need to use the following command to delete... One by one ：

sudo gem uninstall cocoapods-core
sudo gem uninstall cocoapods-deintegrate
sudo gem uninstall cocoapods-downloader
sudo gem uninstall cocoapods-plugins
sudo gem uninstall cocoapods-search
sudo gem uninstall cocoapods-trunk
sudo gem uninstall cocoapods-try

reinstall

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