https://cn.vogon.today/%e5%8a%a0%e5%af%86%e8%b2%a8%e5%b9%a3/paxos-%e8%88%87-sec-%e5%b0%b1%e5%b9%a3%e5%ae%89%e7%a9%a9%e5%ae%9a%e5%b9%a3%e9%80%b2%e8%a1%8c%e6%9c%83%e8%ab%87%ef%bc%9a%e5%a0%b1%e5%91%8a/