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1054:Unknown column 'About' in 'where clause' [ SQL语句 ] : SELECT * FROM `qywx_category` WHERE ( pid=About and status=1 ) ORDER BY sort asc,c_id asc

错误位置

FILE: /phpstudy/www/ThinkPHP/Library/Think/Db/Driver.class.php  LINE: 350

TRACE

#0 /phpstudy/www/ThinkPHP/Library/Think/Db/Driver.class.php(350): E('1054:Unknown co...')
#1 /phpstudy/www/ThinkPHP/Library/Think/Db/Driver.class.php(180): Think\Db\Driver->error()
#2 /phpstudy/www/ThinkPHP/Library/Think/Db/Driver.class.php(946): Think\Db\Driver->query('SELECT * FROM `...', false)
#3 /phpstudy/www/ThinkPHP/Library/Think/Model.class.php(579): Think\Db\Driver->select(Array)
#4 /phpstudy/www/Application/Home/Controller/ProductsController.class.php(79): Think\Model->select()
#5 [internal function]: Home\Controller\ProductsController->lists()
#6 /phpstudy/www/ThinkPHP/Library/Think/App.class.php(173): ReflectionMethod->invoke(Object(Home\Controller\ProductsController))
#7 /phpstudy/www/ThinkPHP/Library/Think/App.class.php(110): Think\App::invokeAction(Object(Home\Controller\ProductsController), 'lists')
#8 /phpstudy/www/ThinkPHP/Library/Think/App.class.php(204): Think\App::exec()
#9 /phpstudy/www/ThinkPHP/Library/Think/Think.class.php(120): Think\App::run()
#10 /phpstudy/www/ThinkPHP/ThinkPHP.php(98): Think\Think::start()
#11 /phpstudy/www/index.php(23): require('/phpstudy/www/T...')
#12 {main}

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