modify search

search/utils/topic.py

@@ -260,7 +260,7 @@ class TopicUtils(object):
                 query_fields = ['^'.join((k, str(v))) for (k, v) in multi_fields.items()]
                 multi_match = {
                     'query': query,
-                    'type': 'cross_fields',
+                    'type': 'best_fields',
                     'operator': 'and',
                     'fields': query_fields,
                 }