MySQL Err126错误[Err] 126 - Incorrect key file for table '.\device\table_name.MYI'; try to repair it

1.先对表进行检查，检查表命令 CHECK TABLE table_name;结果若有错误则进行修复即可;
2.对表进行修复，修复表命令 repair table table_name;
3.在重新进行select 查询即可