fix bug

apps/exams/Lib/Action/AdminPaperAction.class.php

@@ -366,10 +366,11 @@ class AdminPaperAction extends AdministratorAction
         }else{
             $ug_map = 'user_group_id != 1';
         }
-
         $this->opt['show_user_group'] = model('UserGroup')->where($ug_map)->getField('user_group_id,user_group_name');
         $paper['start_time']          = date('Y-m-d H:i', $paper['start_time']);
         $paper['end_time']            = date('Y-m-d H:i', $paper['end_time']);
+        var_dump($paper);
+        die;
         $this->displayConfig($paper);
     }