From b80db694c5e0dae4f1e9f871e62a4c4a2d45ebde Mon Sep 17 00:00:00 2001
From: wangyong97 <wangyong97@meituan.com>
Date: Thu, 3 Jul 2025 20:30:59 +0800
Subject: [PATCH] =?UTF-8?q?(fix)(headless)=20BaseMapper.getMatches,?=
 =?UTF-8?q?=E7=A9=BAMap=E6=8F=90=E5=89=8D=E8=BF=94=E5=9B=9Ematches?=
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---
 .../com/tencent/supersonic/headless/chat/mapper/BaseMapper.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/mapper/BaseMapper.java b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/mapper/BaseMapper.java
index 8b177a963..9bef4a421 100644
--- a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/mapper/BaseMapper.java
+++ b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/mapper/BaseMapper.java
@@ -129,7 +129,7 @@ public abstract class BaseMapper implements SchemaMapper {
         Map<MatchText, List<T>> matchResult = matchStrategy.match(chatQueryContext, terms,
                 chatQueryContext.getRequest().getDataSetIds());
         List<T> matches = new ArrayList<>();
-        if (Objects.isNull(matchResult)) {
+        if (Objects.isNull(matchResult) || matchResult.isEmpty()) {
             return matches;
         }
         Optional<List<T>> first = matchResult.entrySet().stream()