modify param

src/main/java/com/zzsn/knowbase/service/impl/KnowledgeServiceImpl.java

@@ -339,7 +339,7 @@ class KnowledgeServiceImpl implements IKnowledgeService {
         //默认按照置顶以及时间倒序排列
         //根据topNum正序查找，查询置顶数据
 //        searchSourceBuilder.sort("publishDate", SortOrder.DESC);
-        if ("publishDate".equals(column)) {
+        if ("publishTime".equals(column)) {
             if ("desc".equals(order)) {
                 searchSourceBuilder.sort("publishDate", SortOrder.DESC);
             } else if ("asc".equals(order)) {