fix

search/utils/topic.py

@@ -561,6 +561,9 @@ class TopicUtils(object):
 
         for k, v in filters.items():
 
+            if not v:
+                continue
+
             if k in ["create_time_gte", "create_time_lte"]:
 
                 if k == "create_time_gte":
@@ -620,25 +623,26 @@ class TopicUtils(object):
                 })
 
         elif isinstance(sorts_by, list):
-            if sorts_by == TOPIC_SEARCH_SORT.ID_ASC:
+            for sort_by in sorts_by:
+                if sort_by == TOPIC_SEARCH_SORT.ID_AEC:
                     sort_rule.append({
                         "id":{
                             "order":"asc"
                         },
                     })
-            elif sorts_by == TOPIC_SEARCH_SORT.ID_DESC:
+                elif sort_by == TOPIC_SEARCH_SORT.ID_DESC:
                     sort_rule.append({
                         "id":{
                             "order":"desc"
                         },
                     })
-            elif sorts_by == TOPIC_SEARCH_SORT.SCORE_AEC:
+                elif sort_by == TOPIC_SEARCH_SORT.SCORE_AEC:
                     sort_rule.append({
                         "sort_score":{
                             "order":"asc"
                         },
                     })
-            elif sorts_by == TOPIC_SEARCH_SORT.SCORE_DESC:
+                elif sort_by == TOPIC_SEARCH_SORT.SCORE_DESC:
                     sort_rule.append({
                         "sort_score":{
                             "order":"desc"
@@ -662,6 +666,7 @@ class TopicUtils(object):
 
         if sorts_by:
             sorts = cls.process_sort(sorts_by)
+            if sorts:
                 q["sort"] = sorts
 
         try: