SITCON-tgBot1 says to #sitcon <DennyHuang>: 這次 HITCON 慶功宴 沒人唱改編版的啊(? https://hackmd.io/EbAMHYFZIMwJgLQFMCMAWAxgtkmgQBxoBsiGAhsWkmijKJHEkA==