iffeng.com - Database Error

(145) Table './www_iffeng_com/forum_thread' is marked as crashed and should be repaired

SELECT DISTINCT t.*, ti.attachment as attachmenturl, ti.remote FROM `forum_thread` t INNER JOIN `forum_threadimage` ti ON t.tid=ti.tid WHERE t.readperm='0' AND t.fid IN ('42','2','47') AND t.special IN ('0') AND t.isgroup='0' AND t.displayorder>='0' ORDER BY t.dateline DESC LIMIT 0,9;

PHP Debug

No.	File	Line	Code
1	forum.php	63	runhooks()
2	source/function/function_core.php	1134	hookscript()
3	source/function/function_core.php	1181	plugin_it618_firstnfocus_deyi_forum->index_top()
4	source/plugin/it618_firstnfocus_deyi/firstnfocus_deyi.class.php	211	plugin_it618_firstnfocus_deyi_forum->it618_hook()
5	source/plugin/it618_firstnfocus_deyi/firstnfocus_deyi.class.php	131	it618_nfocusdeyi_gettui()
6	source/plugin/it618_firstnfocus_deyi/firstnfocus_deyi.func.php	15	block_fetch_content()
7	source/function/function_block.php	154	block_updatecache()
8	source/function/function_block.php	237	block_thread->getdata()
9	source/class/block/forum/block_thread.php	373	discuz_database::query()
10	source/class/discuz/discuz_database.php	142	db_driver_mysqli->query()
11	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt()
12	source/class/db/db_driver_mysqli.php	223	break()

Discuz! Database Error