https://blog.wongcw.com/2021/01/07/%e9%90%b5%e8%b7%af%e9%83%a8%e9%96%80%e6%8e%a8%e5%87%ba%e5%85%8d%e8%b2%bb%e9%80%80%e7%a5%a8%e6%8e%aa%e6%96%bd%ef%bc%9a%e8%bb%8a%e7%ab%99-12306%e7%ad%89%e9%83%bd%e5%8f%af%e9%80%b2%e8%a1%8c/
鐵路部門推出免費退票措施:車站/12306等都可進行