斑主斑主会不会说，我的数据库毁了啊

ALLSTARS_ORACLE

SQL> alter database open;
alter database open
*
ERROR 位于第 1 行:
ORA-01092: ORACLE 例程终止。强行断开连接


Errors in file d:\oracle\admin\ora92\bdump\ora92_smon_3812.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-01578: ORACLE data block corrupted (file # 1, block # 12619)
ORA-01110: data file 1: 'D:\ORACLE\ORA92\ORA92\SYSTEM01.DBF'

Tue Oct 30 20:28:10 2007
Errors in file d:\oracle\admin\ora92\bdump\ora92_smon_3812.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-01578: ORACLE data block corrupted (file # 1, block # 12619)
ORA-01110: data file 1: 'D:\ORACLE\ORA92\ORA92\SYSTEM01.DBF'

Tue Oct 30 20:28:10 2007
Errors in file d:\oracle\admin\ora92\udump\ora92_ora_2568.trc:
ORA-01578: ORACLE ?????????1???12619?
ORA-01110: ???? 1: 'D:\ORACLE\ORA92\ORA92\SYSTEM01.DBF'

Error 1578 happened during db open, shutting down database
USER: terminating instance due to error 1578
Instance terminated by USER, pid = 2568
ORA-1092 signalled during: alter database open...


system给毁了！！！
欲哭无泪啊