diff --git a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/knowledge/helper/HanlpHelper.java b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/knowledge/helper/HanlpHelper.java
index a3e1ae9b0..4e6730a6b 100644
--- a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/knowledge/helper/HanlpHelper.java
+++ b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/knowledge/helper/HanlpHelper.java
@@ -123,7 +123,7 @@ public class HanlpHelper {
                 HanLP.Config.CustomDictionaryPath);
 
         HanLP.Config.CoreDictionaryPath =
-                hanlpPropertiesPath + FILE_SPILT + HanLP.Config.BiGramDictionaryPath;
+                hanlpPropertiesPath + FILE_SPILT + HanLP.Config.CoreDictionaryPath;
         HanLP.Config.CoreDictionaryTransformMatrixDictionaryPath = hanlpPropertiesPath + FILE_SPILT
                 + HanLP.Config.CoreDictionaryTransformMatrixDictionaryPath;
         HanLP.Config.BiGramDictionaryPath =