An error occurred after flush engine logs

[slim man]

• [2020/01/17 21:35:38] [error] sync.go:121 parse query(flush engine logs) err line 1 column 12 near "engine logs"

• [2020/01/17 21:35:38] [error] canal.go:230 canal start sync binlog err: line 1 column 12 near "engine logs"

• [2020/01/17 21:35:38] [error] river.go:297 start canal err line 1 column 12 near "engine logs"`

使用阿里云数据库并配置了定时做数据备份，每次备份时，报此错误，之后发现后重新启动会报异常找不到bin_log的file。

• [2020/01/19 09:34:45] [error] binlogstreamer.go:77 close sync with err: ERROR 1236 (HY000): Could not find first log file name in binary log index file

• [2020/01/19 09:34:45] [error] canal.go:230 canal start sync binlog err: ERROR 1236 (HY000): Could not find first log file name in binary log index file

• [2020/01/19 09:34:45] [error] river.go:297 start canal err ERROR 1236 (HY000): Could not find first log file name in binary log index file

这种因为数据库备份，产生的这种bin_log日志跟踪丢失的问题怎么解决呢