fix bug

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

@@ -48,7 +48,7 @@ class ExamsPaperModel extends Model
             $this->field('*, ( SELECT count(el_exams_paper_options.exams_paper_id) from el_exams_paper_options WHERE el_exams_paper_options.exams_paper_id =  el_exams_paper.exams_paper_id) as hasQuestion');
             $this->field('*, ( SELECT count(el_exams_paper_options.exams_paper_id) from el_exams_paper_options WHERE el_exams_paper_options.exams_paper_id =  el_exams_paper.exams_paper_id) as hasQuestion');
         }
         }
         $order         = isset($this->order_field[$order]) ? $this->order_field[$order] : $order;
         $order         = isset($this->order_field[$order]) ? $this->order_field[$order] : $order;
-        var_dump($this->where($map)->order($order)->_sql());
+        var_dump($this->where($map)->order($order)->getLastSql());
         die;
         die;
         $list          = $this->where($map)->order($order)->findPage($limit);
         $list          = $this->where($map)->order($order)->findPage($limit);