【求助】HYPHP详细调试页 错误信息，怎么解决?

HYPHP详细调试页

错误信息: Undefined index: digest

发生错误文件: /home/ftp/s/s2101482/wwwroot/Tmp/View_index_index_a5192daffc63b4c120f856b58d0d3961.php

出错行数: 454

454是这样的: <?php elseif ($v['top']==1): ?><span class="thread_ioc ico_digest cf"></span><?php elseif ($v['digest']==1): ?><span class="thread_ioc ico_digest cf"></span><?php endif ?>