系统初始化设置
wget "https://raw.githubusercontent.com/RanFeng/system/master/mac.zshrc" -O mac.zshrc && mv mac.zshrc ~/.zshrc
wget "https://raw.githubusercontent.com/RanFeng/system/master/robbyrussell.zsh-theme" -O robbyrussell.zsh-theme && mv robbyrussell.zsh-theme ~/.oh-my-zsh/themes