错误日志如下：181226 0:20:50 [Note] Event Scheduler: Purging the queue. 0 events181226 0:20:50 InnoDB: Starting shutdown...181226 0:20:51 InnoDB: Shutdown completed; log sequence number 3333386181226 0:20:51 [Note] /www/server/mysql/bin/mysqld: Shutdown complete