fix bug

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

@@ -333,6 +333,10 @@ class IndexAction extends Action
                 $paper_options['options_type'] = $options_type;
             }
         }
+
+        // 是否收藏
+        $paper['iscollect'] = D('ZyCollection', 'exams')->isCollect($paper_id, 'exams_paper', intval($this->mid));
+
         $this->assign('paper', $paper);
         // 是否练习模式
         $this->assign('isPractice', ($_GET['joinType'] == 1) ? 1 : 2);