mysql每天莫名奇妙自动关闭，然后本人就去看了下mysql 错误日志。以下是错误日志
171121 21:18:30 [Note] Plugin 'FEDERATED' is disabled.
171121 21:18:30 InnoDB: The InnoDB memory heap is disabled
171121 21:18:30 InnoDB: Mutexes and rw_locks use Windows interlocked functions
171121 21:18:30 InnoDB: Compressed tables use zlib 1.2.3
171121 21:18:30 InnoDB: Initializing buffer pool, size = 47.0M
171121 21:18:30 InnoDB: Completed initialization of buffer pool
171121 21:18:30 InnoDB: highest supported file format is Barracuda.
171121 21:18:31 InnoDB: Waiting for the background threads to start
171121 21:18:32 InnoDB: 5.5.53 started; log sequence number 4733292
171121 21:18:32 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306
171121 21:18:32 [Note] - '0.0.0.0' resolves to '0.0.0.0';
171121 21:18:32 [Note] Server socket created on IP: '0.0.0.0'.
171121 21:18:32 [Note] Event Scheduler: Loaded 0 events
171121 21:18:32 [Note] MySQLa: ready for connections.
Version: '5.5.53' socket: '' port: 3306 MySQL Community Server (GPL)
171121 21:18:51 [Note] Plugin 'FEDERATED' is disabled.
171121 21:18:51 InnoDB: The InnoDB memory heap is disabled
171121 21:18:51 InnoDB: Mutexes and rw_locks use Windows interlocked functions
171121 21:18:51 InnoDB: Compressed tables use zlib 1.2.3
171121 21:18:51 InnoDB: Initializing buffer pool, size = 47.0M
171121 21:18:51 InnoDB: Completed initialization of buffer pool
171121 21:18:51 InnoDB: highest supported file format is Barracuda.
171121 21:18:52 InnoDB: Waiting for the background threads to start
171121 21:18:53 InnoDB: 5.5.53 started; log sequence number 4733292
171121 21:18:53 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306
171121 21:18:53 [Note] - '0.0.0.0' resolves to '0.0.0.0';
171121 21:18:53 [Note] Server socket created on IP: '0.0.0.0'.
171121 21:18:53 [Note] Event Scheduler: Loaded 0 events
171121 21:18:53 [Note] MySQLa: ready for connections.
Version: '5.5.53' socket: '' port: 3306 MySQL Community Server (GPL)