diff --git a/routers/search.go b/routers/search.go
index d0c8013b1..410944197 100644
--- a/routers/search.go
+++ b/routers/search.go
@@ -406,11 +406,14 @@ func makeDatasetResult(sRes *elastic.SearchResult, Key string) *SearchRes {
 			if err == nil {
 				record := make(map[string]interface{})
 				record["id"] = hit.Id
-				userId := recordSource["user_id"].(int64)
-				user, errUser := models.GetUserByID(userId)
-				if errUser == nil {
-					record["owerName"] = user.GetDisplayName()
-					record["avatar"] = user.RelAvatarLink()
+				userIdStr := recordSource["user_id"].(string)
+				userId, cerr := strconv.ParseInt(userIdStr, 10, 64)
+				if cerr == nil {
+					user, errUser := models.GetUserByID(userId)
+					if errUser == nil {
+						record["owerName"] = user.GetDisplayName()
+						record["avatar"] = user.RelAvatarLink()
+					}
 				}
 				record["title"] = getLabelValue("title", recordSource, hit.Highlight)
 				record["category"] = getLabelValue("category", recordSource, hit.Highlight)