diff --git a/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatQueryServiceImpl.java b/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatQueryServiceImpl.java
index 78571dc68..61afeee5c 100644
--- a/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatQueryServiceImpl.java
+++ b/chat/server/src/main/java/com/tencent/supersonic/chat/server/service/impl/ChatQueryServiceImpl.java
@@ -119,6 +119,13 @@ public class ChatQueryServiceImpl implements ChatQueryService {
             chatManageService.updateParseCostTime(parseContext.getResponse());
         }
 
+        // no need for explicit user feedback if there is only one candidate parses
+        if (parseContext.needFeedback() && parseContext.getResponse().getSelectedParses().size() == 1) {
+            chatParseReq.setQueryId(parseContext.getResponse().getQueryId());
+            chatParseReq.setSelectedParse(parseContext.getResponse().getSelectedParses().get(0));
+            return parse(chatParseReq);
+        }
+
         return parseContext.getResponse();
     }
 
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 a37e4c1cd..dda36ae8a 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
@@ -44,14 +44,11 @@ public class ChatQueryContext {
     }
 
     public List<SemanticQuery> getCandidateQueries() {
-        ParserConfig parserConfig = ContextUtils.getBean(ParserConfig.class);
-        int parseShowCount =
-                Integer.parseInt(parserConfig.getParameterValue(ParserConfig.PARSER_SHOW_COUNT));
         candidateQueries = candidateQueries.stream()
                 .sorted(Comparator.comparing(
                         semanticQuery -> semanticQuery.getParseInfo().getScore(),
                         Comparator.reverseOrder()))
-                .limit(parseShowCount).collect(Collectors.toList());
+                .limit(1).collect(Collectors.toList());
         return candidateQueries;
     }