安装cocopods可视化插件时出现的问题

报错/usr/bin

解决方法: GEM-PATH: /usr/local/bin

如果还是解决不了那么就按下面的顺序在终端中输入:
sudo gem uninstall cocoapods
sudo gem install -n /usr/local/bin cocoapods
sudo chmod +rx /usr/local/bin/