diff --git a/routers/search.go b/routers/search.go
index 1cf78666e..457916d5a 100644
--- a/routers/search.go
+++ b/routers/search.go
@@ -183,7 +183,7 @@ func searchRepoByLabel(ctx *context.Context, Key string, Page int, PageSize int)
 		topicsQuery := elastic.NewMatchQuery("topics", Key)
 		boolQ.Should(topicsQuery)
 
-		res, err := client.Search("repository-es-index").Query(boolQ).SortBy(getSort(SortBy, ascending)).From(from).Size(Size).Highlight(queryHighlight("topics")).Do(ctx.Req.Context())
+		res, err := client.Search("repository-es-index").Query(boolQ).SortBy(getSort(SortBy, ascending, "updated_unix.keyword", false)...).From(from).Size(Size).Highlight(queryHighlight("topics")).Do(ctx.Req.Context())
 		if err == nil {
 			searchJson, _ := json.Marshal(res)
 			log.Info("searchJson=" + string(searchJson))
@@ -200,16 +200,15 @@ func searchRepoByLabel(ctx *context.Context, Key string, Page int, PageSize int)
 	}
 }
 
-func getSort(SortBy string, ascending bool) elastic.Sorter {
-	var sort elastic.Sorter
-	sort = elastic.NewScoreSort()
-	if SortBy != "" {
-		if SortBy == "default" {
-			return sort
-		}
-		return elastic.NewFieldSort(SortBy).Order(ascending)
+func getSort(SortBy string, ascending bool, secondSortBy string, secondAscending bool) []elastic.Sorter {
+	sort := make([]elastic.Sorter, 0)
+	if SortBy == "default" {
+		sort = append(sort, elastic.NewScoreSort())
+		sort = append(sort, elastic.NewFieldSort(secondSortBy).Order(secondAscending))
+		return sort
+	} else {
+		return append(sort, elastic.NewFieldSort(SortBy).Order(ascending))
 	}
-	return sort
 }
 
 func searchRepo(ctx *context.Context, TableName string, Key string, Page int, PageSize int, OnlyReturnNum bool) {
@@ -308,7 +307,7 @@ func searchRepo(ctx *context.Context, TableName string, Key string, Page int, Pa
 		topicsQuery := elastic.NewMatchQuery("topics", Key).Boost(1).QueryName("f_third")
 		boolQ.Should(nameQuery, descriptionQuery, topicsQuery)
 
-		res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending)).From(from).Size(Size).Highlight(queryHighlight("alias", "description", "topics")).Do(ctx.Req.Context())
+		res, err := client.Search(TableName).Query(boolQ).SortBy(getSort(SortBy, ascending, "updated_unix.keyword", false)...).From(from).Size(Size).Highlight(queryHighlight("alias", "description", "topics")).Do(ctx.Req.Context())
 		if err == nil {
 			searchJson, _ := json.Marshal(res)
 			log.Info("searchJson=" + string(searchJson))
@@ -330,7 +329,7 @@ func searchRepo(ctx *context.Context, TableName string, Key string, Page int, Pa
 	} else {
 		log.Info("query all content.")
 		//搜索的属性要指定{"timestamp":{"unmapped_type":"date"}}
-		res, err := client.Search(TableName).SortBy(getSort(SortBy, ascending)).From(from).Size(Size).Do(ctx.Req.Context())
+		res, err := client.Search(TableName).SortBy(getSort(SortBy, ascending, "updated_unix.keyword", false)...).From(from).Size(Size).Do(ctx.Req.Context())
 		if err == nil {
 			searchJson, _ := json.Marshal(res)
 			log.Info("searchJson=" + string(searchJson))
@@ -691,7 +690,7 @@ 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)).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, "created_unix.keyword", 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))
@@ -849,7 +848,7 @@ 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)).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, "updated_unix.keyword", 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))
@@ -864,7 +863,7 @@ 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)).From(from).Size(Size).Do(ctx.Req.Context())
+		res, err := client.Search(TableName).SortBy(getSort(SortBy, ascending, "updated_unix.keyword", false)...).From(from).Size(Size).Do(ctx.Req.Context())
 		if err == nil {
 			searchJson, _ := json.Marshal(res)
 			log.Info("searchJson=" + string(searchJson))
@@ -1057,7 +1056,7 @@ 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)).From(from).Size(Size).Highlight(queryHighlight("name", "content", "comment")).Do(ctx.Req.Context())
+	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())
 	if err == nil {
 		searchJson, _ := json.Marshal(res)
 		log.Info("searchJson=" + string(searchJson))