diff --git a/novel-front/src/main/resources/templates/book/bookclass.html b/novel-front/src/main/resources/templates/book/bookclass.html
index 3db3543..5f819e0 100644
--- a/novel-front/src/main/resources/templates/book/bookclass.html
+++ b/novel-front/src/main/resources/templates/book/bookclass.html
@@ -62,7 +62,7 @@
                 <li class="so_sort">
                     <span class="tit">排序方式：</span>
                     <a href="javascript:search(1,20)" class="on">不限</a>
-                    <a filter-value="update_time" href="javascript:search(1,20)" class="">更新时间</a>
+                    <a filter-value="last_index_update_time" href="javascript:search(1,20)" class="">更新时间</a>
                     <a filter-value="word_count" href="javascript:search(1,20)" class="">总字数</a>
                     <a filter-value="visit_count" href="javascript:search(1,20)" class="">点击量</a>
                 </li>