add

search/utils/group.py

@@ -63,8 +63,7 @@ class GroupUtils(object):
                 }
             }
             q["sort"] = [
-                {"high_quality_topic_num":{"order":"desc"}},
-                {"create_time":{"order":"desc"}}
+                {"high_quality_topic_num":{"order":"desc"}}
             ]
             q["_source"] = {
                 "includes":["id"]