底部浮动登陆框，登陆后报错

[size=14.285715103149414px]在这里登陆

[size=14.285715103149414px]

[size=14.285715103149414px]然后就下面报错

[size=14.285715103149414px]PHP Debug

[Line: 0026]member.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: 0017]source/function/function_core.php(discuz_error::system_error) [Line: 0024]source/class/discuz/discuz_error.php(discuz_error::debug_backtrace)