Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 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 '-12, 12' at line 1 in /home/www/web/yujingkeji/page/product.php:51 Stack trace: #0 /home/www/web/yujingkeji/page/product.php(51): PDO->query() #1 /home/www/web/yujingkeji/mini/page.php(23): page_product->action_list() #2 /home/www/web/yujingkeji/mini/app.php(130): page->run() #3 /home/www/web/yujingkeji/index.php(19): mini_app->run() #4 {main} thrown in /home/www/web/yujingkeji/page/product.php on line 51