zsh: jekyll command not found

重启系统后,运行jekyll命令显示

jekyll: commmand not found

使用如下命令解决问题:
echo "source $HOME/.rvm/scripts/rvm" >> ~/.bash_profile

参考:http://stackoverflow.com/questions/15409418/after-installing-jekyll-getting-bash-jekyll-command-not-found