add

search/views/group.py

@@ -228,18 +228,26 @@ def pictorial_topic(topic_id=-1, offset=0, size=10):
                     "function_score": {
                         "query": query,
                         "score_mode": "sum",
-                        "boost_mode": "sum",
+                        "boost_mode": "replace",
                         "functions": functions_list
                     }
                 }
             }
             q["_source"] = {
                 "includes": ["id", "tag_id"]}
-            q["sort"] = {
+            q["sort"] = [
+                {
+                    "_score": {
+                        "order": "desc"
+                    }
+                },
+                {
                     'update_time': {
                         'order': 'desc'
 
-                }}
+                    }
+                }
+            ]
             q["from"] = 0
             q["size"] = 10