變更

*[https://www.bodhiroad.com/%E6%8C%81%E6%88%92%E7%AC%AC%E4%B8%80-%E5%84%AA%E6%B3%A2%E9%9B%A2%E5%B0%8A%E8%80%85/ 佛陀十大弟子-持戒第一 優波離尊者]

*[http://www.bauswj.org/wp/wjonline/%E6%8C%81%E6%88%92%E7%AC%AC%E4%B8%80%E7%9A%84%E5%84%AA%E6%B3%A2%E9%9B%A2/ 持戒第一的優波離]