网站一直跑的好好的，今天来看了PM2日志，忽然发现这个错，goooooooogle了好久没也找到原因，有谁遇到过这个问题吗？

Error: Quit inactivity timeout at Quit.sequence.on.on.on.on.on.self._connection._startTLS.err.code (/home/ubuntu/GameWork/DotaServer/node_modules/mysql/lib/protocol/Protocol.js:154:17) at Quit.emit (events.js:92:17) at Quit._onTimeout (/home/ubuntu/GameWork/DotaServer/node_modules/mysql/lib/protocol/sequences/Sequence.js:116:8) at Timer.listOnTimeout [as ontimeout] (timers.js:112:15)