refine using rerank model (#2553)

### What problem does this PR solve?

#2552

### Type of change

- [x] Performance Improvement

rag/nlp/search.py

@@ -348,7 +348,7 @@ class Dealer:
             ins_tw.append(tks)
 
         tksim = self.qryr.token_similarity(keywords, ins_tw)
-        vtsim,_ = rerank_mdl.similarity(" ".join(keywords), [rmSpace(" ".join(tks)) for tks in ins_tw])
+        vtsim,_ = rerank_mdl.similarity(query, [rmSpace(" ".join(tks)) for tks in ins_tw])
 
         return tkweight*np.array(tksim) + vtweight*vtsim, tksim, vtsim