系统发生错误

:(

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 'and ac_code='news' and article_show=1 and article_bigclass= ) ORDER BY article_i' at line 1 [ SQL语句 ] : SELECT * FROM `x_article` WHERE ( article_id and ac_code='news' and article_show=1 and article_bigclass= ) ORDER BY article_id desc LIMIT 3

错误位置

FILE: D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\Db\Driver.class.php  LINE: 350

TRACE

#0 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\Db\Driver.class.php(350): E('1064:You have a...')
#1 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\Db\Driver.class.php(180): Think\Db\Driver->error()
#2 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\Db\Driver.class.php(946): Think\Db\Driver->query('SELECT * FROM `...', false)
#3 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\Model.class.php(579): Think\Db\Driver->select(Array)
#4 D:\wwwroot\test.dgydit.com\Application\Home\Controller\NewsController.class.php(129): Think\Model->select()
#5 [internal function]: Home\Controller\NewsController->detail()
#6 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\App.class.php(173): ReflectionMethod->invoke(Object(Home\Controller\NewsController))
#7 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\App.class.php(110): Think\App::invokeAction(Object(Home\Controller\NewsController), 'detail')
#8 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\App.class.php(204): Think\App::exec()
#9 D:\wwwroot\test.dgydit.com\ThinkPHP\Library\Think\Think.class.php(120): Think\App::run()
#10 D:\wwwroot\test.dgydit.com\ThinkPHP\ThinkPHP.php(97): Think\Think::start()
#11 D:\wwwroot\test.dgydit.com\index.php(25): require('D:\\wwwroot\\test...')
#12 {main}