diff --git a/rag/nlp/search.py b/rag/nlp/search.py
index a24f7a71d87..5abacc5f93b 100644
--- a/rag/nlp/search.py
+++ b/rag/nlp/search.py
@@ -250,7 +250,7 @@ def rerank(self, sres, query, tkweight=0.3,
             content_ltks = sres.field[i][cfield].split()
             title_tks = [t for t in sres.field[i].get("title_tks", "").split() if t]
             important_kwd = sres.field[i].get("important_kwd", [])
-            tks = content_ltks + title_tks + important_kwd
+            tks = content_ltks + title_tks*2 + important_kwd*5
             ins_tw.append(tks)
 
         sim, tksim, vtsim = self.qryr.hybrid_similarity(sres.query_vector,