並前往http://tech.smallya.net/2015/10/28/%E7%94%A8-treesize-free-%E6%89%BE%E5%87%BA%E5%A1%9E%E7%88%86%E4%BD%A0%E7%9A%84%E7%A1%AC%E7%A2%9F%E5%85%83%E5%85%87/