From 068bf0419ce9fdb8bb42a0cfbf49fc1d35abcbe8 Mon Sep 17 00:00:00 2001
From: "Luke.Ye" <yewunetemail@163.com>
Date: Tue, 8 Jul 2025 11:21:55 +0800
Subject: [PATCH] fix

---
 .../knowledge/base/application/service/LLMAppServiceImpl.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java b/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java
index 24607e2..aa26829 100644
--- a/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java
+++ b/src/main/java/com/knowledge/base/application/service/LLMAppServiceImpl.java
@@ -157,7 +157,9 @@ public class LLMAppServiceImpl implements LLMAppService {
      */
     public static List<String> extractKeywords(String text) {
         List<String> keywords = new ArrayList<>();
-        Pattern pattern = Pattern.compile(ConstantConfig.KEYWORD_PATTERN_LEFT + "(.*?)" + ConstantConfig.KEYWORD_PATTERN_RIGHT);
+        String left = ConstantConfig.KEYWORD_PATTERN_LEFT;
+        String right = ConstantConfig.KEYWORD_PATTERN_RIGHT;
+        Pattern pattern = Pattern.compile(Pattern.quote(left) + "(.*?)" + Pattern.quote(right));
         Matcher matcher = pattern.matcher(text);
         while (matcher.find()) {
             keywords.add(matcher.group(1));