Discuz Database Error,求有经验的解决下,

Discuz! Database Error,求有经验的解决下,

(1046) No database selectedSELECT * FROM common_syscache WHERE `cname` IN('setting','style_default','cronnextrun')

PHP Debug

No.	File	Line	Code
1	index.php	74	discuz_application->init()
2	source/class/discuz/discuz_application.php	66	discuz_application->_init_setting()
3	source/class/discuz/discuz_application.php	648	loadcache(Array)
4	source/function/function_core.php	695	discuz_container->fetch_all(Array)
5	source/function/function_core.php	695	discuz_container->__call(%s, Array)
6	source/class/discuz/discuz_container.php	59	table_common_syscache->fetch_all(Array)
7	source/class/table/table_common_syscache.php	63	discuz_database::query(%s)
8	source/class/discuz/discuz_database.php	136	db_driver_mysql->query(%s, false, false)
9	source/class/db/db_driver_mysql.php	151	db_driver_mysql->halt(%s, %d, %s)
10	source/class/db/db_driver_mysql.php	218	break()

qwe.xiongtianqi.cn 已经将此出错信息详细记录, 由此给您带来的访问不便我们深感歉意.

我已经用过:tools

config_ucenter.php
config_global.php
这2个,文件也修改正确,

不知道问题出在哪里,