並前往https://ruby2phoebe.pixnet.net/blog/post/220849965-%EF%BC%BB%E8%82%B2%E5%85%92-%E5%A5%BD%E7%89%A9%E6%8E%A8%E8%96%A6%EF%BC%BD%E8%B2%9D%E8%A6%AA-pigeon-%E7%BE%8A%E8%84%82%E8%86%8F-%E6%AF%8D%E4%B9%B3%E5%AA%BD