diff --git a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/ChatQueryContext.java b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/ChatQueryContext.java
index f018eb7c4..a62a688a1 100644
--- a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/ChatQueryContext.java
+++ b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/ChatQueryContext.java
@@ -56,8 +56,7 @@ public class ChatQueryContext implements Serializable {
         candidateQueries = candidateQueries.stream()
                 .sorted(Comparator.comparing(
                         semanticQuery -> semanticQuery.getParseInfo().getScore(),
-                        Comparator.reverseOrder()))
-                .limit(1).collect(Collectors.toList());
+                        Comparator.reverseOrder())).collect(Collectors.toList());
         return candidateQueries;
     }