系统发生错误

:(

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'oa' in 'where clause'

错误位置

FILE: /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/Db/Driver.class.php  LINE: 162

TRACE

#0 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/Db/Driver.class.php(162): PDOStatement->execute()
#1 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/Db/Driver.class.php(908): Think\Db\Driver->query('SELECT COUNT(*)...', false)
#2 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/Model.class.php(961): Think\Db\Driver->select(Array)
#3 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/Model.class.php(225): Think\Model->getField('COUNT(*) AS tp_...')
#4 /home/hyylvhbyzyql/wwwroot/Application/Home/Controller/JdalController.class.php(16): Think\Model->__call('count', Array)
#5 /home/hyylvhbyzyql/wwwroot/Application/Home/Controller/JdalController.class.php(16): Think\Model->count()
#6 [internal function]: Home\Controller\JdalController->Index()
#7 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/App.class.php(156): ReflectionMethod->invoke(Object(Home\Controller\JdalController))
#8 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/App.class.php(194): Think\App::exec()
#9 /home/hyylvhbyzyql/wwwroot/ThinkPHP/Library/Think/Think.class.php(120): Think\App::run()
#10 /home/hyylvhbyzyql/wwwroot/ThinkPHP/ThinkPHP.php(97): Think\Think::start()
#11 /home/hyylvhbyzyql/wwwroot/index.php(39): require('/home/hyylvhbyz...')
#12 {main}