fix bug

apps/exams/Lib/Model/ExamsPaperModel.class.php

@@ -49,8 +49,6 @@ class ExamsPaperModel extends Model
         }
         $order         = isset($this->order_field[$order]) ? $this->order_field[$order] : $order;
         $list          = $this->where($map)->order($order)->findPage($limit);
-        var_dump($this->getLastSql());
-        die;
         if ($list['data']) {
             $list['data']   = $this->haddleData($list['data']);
         }