diff --git a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/parser/ParserConfig.java b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/parser/ParserConfig.java
index ab8c7a0eb..dee917e9f 100644
--- a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/parser/ParserConfig.java
+++ b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/parser/ParserConfig.java
@@ -54,7 +54,7 @@ public class ParserConfig extends ParameterConfig {
             new Parameter("s2.parser.show.count", "3", "解析结果展示个数", "前端展示的解析个数", "number", "语义解析配置");
 
     public static final Parameter PARSER_FIELDS_COUNT_THRESHOLD =
-            new Parameter("s2.parser.field.count.threshold", "3", "语义字段个数阈值",
+            new Parameter("s2.parser.field.count.threshold", "0", "语义字段个数阈值",
                     "如果映射字段小于该阈值，则将数据集所有字段输入LLM", "number", "语义解析配置");
 
     @Override