From 15736c57c3020d6f2ec8407ad4a74714fd9c1355 Mon Sep 17 00:00:00 2001
From: Kevin Hu <kevinhu.sh@gmail.com>
Date: Mon, 10 Mar 2025 13:56:56 +0800
Subject: [PATCH] Fix: empty query issue. (#5830)

### What problem does this PR solve?

#5214

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 rag/nlp/query.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rag/nlp/query.py b/rag/nlp/query.py
index d3c2f1432..b58efb859 100644
--- a/rag/nlp/query.py
+++ b/rag/nlp/query.py
@@ -66,7 +66,7 @@ class FulltextQueryer:
         otxt = txt
         for r, p in patts:
             txt = re.sub(r, p, txt, flags=re.IGNORECASE)
-        if not otxt:
+        if not txt:
             txt = otxt
         return txt