diff --git a/routers/search.go b/routers/search.go
index ab9e902da..64832d794 100644
--- a/routers/search.go
+++ b/routers/search.go
@@ -204,7 +204,9 @@ func getSort(SortBy string, ascending bool, secondSortBy string, secondAscending
 	sort := make([]elastic.Sorter, 0)
 	if SortBy == "default" {
 		sort = append(sort, elastic.NewScoreSort())
-		sort = append(sort, elastic.NewFieldSort(secondSortBy).Order(secondAscending))
+		if secondSortBy != "" {
+			sort = append(sort, elastic.NewFieldSort(secondSortBy).Order(secondAscending))
+		}
 		return sort
 	} else {
 		return append(sort, elastic.NewFieldSort(SortBy).Order(ascending))
@@ -690,7 +692,7 @@ func searchUserOrOrg(ctx *context.Context, TableName string, Key string, Page in
 		boolQ.Must(UserOrOrgQuery)
 	}
 
-	res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "created_unix.keyword", false)...).From((Page - 1) * PageSize).Size(PageSize).Highlight(queryHighlight("name", "full_name", "description")).Do(ctx.Req.Context())
+	res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "", false)...).From((Page - 1) * PageSize).Size(PageSize).Highlight(queryHighlight("name", "full_name", "description")).Do(ctx.Req.Context())
 	if err == nil {
 		searchJson, _ := json.Marshal(res)
 		log.Info("searchJson=" + string(searchJson))
@@ -848,7 +850,7 @@ func searchDataSet(ctx *context.Context, TableName string, Key string, Page int,
 		fileNameQuery := elastic.NewMatchQuery("file_name", Key).Boost(1).QueryName("f_third")
 		categoryQuery := elastic.NewMatchQuery("category", Key).Boost(1).QueryName("f_fourth")
 		boolQ.Should(nameQuery, descQuery, categoryQuery, fileNameQuery)
-		res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "download_times", false)...).From(from).Size(Size).Highlight(queryHighlight("title", "description", "file_name", "category")).Do(ctx.Req.Context())
+		res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "", false)...).From(from).Size(Size).Highlight(queryHighlight("title", "description", "file_name", "category")).Do(ctx.Req.Context())
 		if err == nil {
 			searchJson, _ := json.Marshal(res)
 			log.Info("searchJson=" + string(searchJson))
@@ -863,7 +865,7 @@ func searchDataSet(ctx *context.Context, TableName string, Key string, Page int,
 	} else {
 		log.Info("query all datasets.")
 		//搜索的属性要指定{"timestamp":{"unmapped_type":"date"}}
-		res, err := client.Search(TableName).SortBy(getSort(SortBy, ascending, "updated_unix.keyword", false)...).From(from).Size(Size).Do(ctx.Req.Context())
+		res, err := client.Search(TableName).SortBy(getSort(SortBy, ascending, "", false)...).From(from).Size(Size).Do(ctx.Req.Context())
 		if err == nil {
 			searchJson, _ := json.Marshal(res)
 			log.Info("searchJson=" + string(searchJson))
@@ -1056,7 +1058,7 @@ func searchIssueOrPr(ctx *context.Context, TableName string, Key string, Page in
 		boolQ.Must(isIssueQuery)
 	}
 
-	res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "updated_unix.keyword", false)...).From(from).Size(Size).Highlight(queryHighlight("name", "content", "comment")).Do(ctx.Req.Context())
+	res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "", false)...).From(from).Size(Size).Highlight(queryHighlight("name", "content", "comment")).Do(ctx.Req.Context())
 	if err == nil {
 		searchJson, _ := json.Marshal(res)
 		log.Info("searchJson=" + string(searchJson))