3.2搜索老是出错，怎么回事？

Discuz! System Error您当前的访问请求当中含有非法字符，已经被系统拒绝
PHP Debug
[Line: 0022]search.php(discuz_application->init)
[Line: 0071]source/class/discuz/discuz_application.php(discuz_application->_init_misc)
[Line: 0552]source/class/discuz/discuz_application.php(discuz_application->_xss_check)
[Line: 0355]source/class/discuz/discuz_application.php(system_error)
[Line: 0023]source/function/function_core.php(discuz_error::system_error)
[Line: 0024]source/class/discuz/discuz_error.php(discuz_error::debug_backtrace)

www.yzdiaoyu.com 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.


为什么很多时候搜索都出现这种情况，请版主指点！