pod install
报错
sudo gem install cocoapods
CocoaPods was not able to update the `master` repo. If this is an unexpected issue and persists you can inspect it running `pod repo update --verbose`
在使用sudo gem update cocoapods
和pod repo update
sudo gem install cocoapods
You don't have write permissions 没有权限的问题
sudo gem install cocoapods -n/usr/local/bin fir-cli
开放权限成功后
