1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1 [ SQL语句 ] : SELECT * FROM `yzh_block` WHERE ( `groupid`=1 and `lang`= )

FILE: /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Db/Driver.class.php 　LINE: 350

#0 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Db/Driver.class.php(350): E('1064:You have a...')
#1 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Db/Driver.class.php(180): Think\Db\Driver->error()
#2 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Db/Driver.class.php(946): Think\Db\Driver->query('SELECT * FROM `...', false)
#3 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Model.class.php(585): Think\Db\Driver->select(Array)
#4 /www/wwwroot/www.lkweb.net/Application/Home/Action/PublicAction.class.php(98): Think\Model->select()
#5 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Controller.class.php(42): Home\Action\PublicAction->_initialize()
#6 /www/wwwroot/www.lkweb.net/ThinkPHP/Common/functions.php(725): Think\Controller->__construct()
#7 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/App.class.php(89): controller('Index', '')
#8 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/App.class.php(205): Think\App::exec()
#9 /www/wwwroot/www.lkweb.net/ThinkPHP/Library/Think/Think.class.php(120): Think\App::run()
#10 /www/wwwroot/www.lkweb.net/ThinkPHP/ThinkPHP.php(98): Think\Think::start()
#11 /www/wwwroot/www.lkweb.net/index.php(29): require('/www/wwwroot/ww...')
#12 {main}