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 dc4722441..2910c1cd2 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
@@ -48,7 +48,7 @@ import com.tencent.supersonic.headless.chat.query.QueryManager;
 import com.tencent.supersonic.headless.chat.query.SemanticQuery;
 import com.tencent.supersonic.headless.chat.query.llm.s2sql.LLMSqlQuery;
 import com.tencent.supersonic.headless.server.facade.service.ChatLayerService;
-import com.tencent.supersonic.headless.server.facade.service.RetrieveService;
+import com.tencent.supersonic.headless.server.web.service.RetrieveService;
 import com.tencent.supersonic.headless.server.facade.service.SemanticLayerService;
 import lombok.extern.slf4j.Slf4j;
 import net.sf.jsqlparser.expression.Expression;
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/rest/ChatQueryApiController.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/rest/ChatQueryApiController.java
index ca7cf8128..c63b36c3d 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/rest/ChatQueryApiController.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/rest/ChatQueryApiController.java
@@ -7,7 +7,6 @@ import com.tencent.supersonic.headless.api.pojo.request.QueryNLReq;
 import com.tencent.supersonic.headless.api.pojo.request.QuerySqlReq;
 import com.tencent.supersonic.headless.api.pojo.response.ParseResp;
 import com.tencent.supersonic.headless.server.facade.service.ChatLayerService;
-import com.tencent.supersonic.headless.server.facade.service.RetrieveService;
 import com.tencent.supersonic.headless.server.facade.service.SemanticLayerService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -26,9 +25,6 @@ public class ChatQueryApiController {
     @Autowired
     private ChatLayerService chatLayerService;
 
-    @Autowired
-    private RetrieveService retrieveService;
-
     @Autowired
     private SemanticLayerService semanticLayerService;
 
@@ -37,7 +33,7 @@ public class ChatQueryApiController {
                         HttpServletRequest request,
                         HttpServletResponse response) throws Exception {
         queryNLReq.setUser(UserHolder.findUser(request, response));
-        return retrieveService.retrieve(queryNLReq);
+        return chatLayerService.retrieve(queryNLReq);
     }
 
     @PostMapping("/chat/map")
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/ChatLayerService.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/ChatLayerService.java
index 3a6b3df97..63b348999 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/ChatLayerService.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/ChatLayerService.java
@@ -8,6 +8,9 @@ import com.tencent.supersonic.headless.api.pojo.request.QuerySqlReq;
 import com.tencent.supersonic.headless.api.pojo.response.MapInfoResp;
 import com.tencent.supersonic.headless.api.pojo.response.MapResp;
 import com.tencent.supersonic.headless.api.pojo.response.ParseResp;
+import com.tencent.supersonic.headless.api.pojo.response.SearchResult;
+
+import java.util.List;
 
 /***dd
  * SemanticLayerService for query and search
@@ -20,6 +23,8 @@ public interface ChatLayerService {
 
     MapInfoResp map(QueryMapReq queryMapReq);
 
+    List<SearchResult> retrieve(QueryNLReq queryNLReq);
+
     void correct(QuerySqlReq querySqlReq, User user);
 
     SqlEvaluation validate(QuerySqlReq querySqlReq, User user);
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/S2ChatLayerService.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/S2ChatLayerService.java
index 2036171da..c4444d5d5 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/S2ChatLayerService.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/S2ChatLayerService.java
@@ -21,12 +21,14 @@ import com.tencent.supersonic.headless.api.pojo.response.DataSetResp;
 import com.tencent.supersonic.headless.api.pojo.response.MapInfoResp;
 import com.tencent.supersonic.headless.api.pojo.response.MapResp;
 import com.tencent.supersonic.headless.api.pojo.response.ParseResp;
+import com.tencent.supersonic.headless.api.pojo.response.SearchResult;
 import com.tencent.supersonic.headless.chat.ChatQueryContext;
 import com.tencent.supersonic.headless.chat.corrector.GrammarCorrector;
 import com.tencent.supersonic.headless.chat.corrector.SchemaCorrector;
 import com.tencent.supersonic.headless.chat.knowledge.builder.BaseWordBuilder;
 import com.tencent.supersonic.headless.chat.query.SemanticQuery;
 import com.tencent.supersonic.headless.server.facade.service.ChatLayerService;
+import com.tencent.supersonic.headless.server.web.service.RetrieveService;
 import com.tencent.supersonic.headless.server.pojo.MetaFilter;
 import com.tencent.supersonic.headless.server.utils.ChatWorkflowEngine;
 import com.tencent.supersonic.headless.server.utils.ComponentFactory;
@@ -56,6 +58,8 @@ public class S2ChatLayerService implements ChatLayerService {
     @Autowired
     private DataSetService dataSetService;
     @Autowired
+    private RetrieveService retrieveService;
+    @Autowired
     private ChatWorkflowEngine chatWorkflowEngine;
 
     @Override
@@ -127,6 +131,11 @@ public class S2ChatLayerService implements ChatLayerService {
         return semanticParseInfo.getSqlEvaluation();
     }
 
+    @Override
+    public List<SearchResult> retrieve(QueryNLReq queryNLReq) {
+        return retrieveService.retrieve(queryNLReq);
+    }
+
     private SemanticParseInfo correctSqlReq(QuerySqlReq querySqlReq, User user) {
         ChatQueryContext queryCtx = new ChatQueryContext();
         SemanticSchema semanticSchema = schemaService.getSemanticSchema();
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/task/FlightServerInitTask.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/task/FlightServerInitTask.java
index 4585d88ee..a08a48650 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/task/FlightServerInitTask.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/task/FlightServerInitTask.java
@@ -1,6 +1,6 @@
 package com.tencent.supersonic.headless.server.task;
 
-import com.tencent.supersonic.headless.server.facade.service.FlightService;
+import com.tencent.supersonic.headless.server.web.service.FlightService;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import lombok.extern.slf4j.Slf4j;
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/FlightService.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/FlightService.java
similarity index 83%
rename from headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/FlightService.java
rename to headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/FlightService.java
index 57d5b0efe..ecaeeb336 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/FlightService.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/FlightService.java
@@ -1,4 +1,4 @@
-package com.tencent.supersonic.headless.server.facade.service;
+package com.tencent.supersonic.headless.server.web.service;
 
 import java.util.concurrent.ExecutorService;
 import org.apache.arrow.flight.sql.FlightSqlProducer;
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/RetrieveService.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/RetrieveService.java
similarity index 80%
rename from headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/RetrieveService.java
rename to headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/RetrieveService.java
index e2c50ac14..46cfe1ddb 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/RetrieveService.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/RetrieveService.java
@@ -1,4 +1,4 @@
-package com.tencent.supersonic.headless.server.facade.service;
+package com.tencent.supersonic.headless.server.web.service;
 
 import com.tencent.supersonic.headless.api.pojo.request.QueryNLReq;
 import com.tencent.supersonic.headless.api.pojo.response.SearchResult;
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/FlightServiceImpl.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/FlightServiceImpl.java
similarity index 99%
rename from headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/FlightServiceImpl.java
rename to headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/FlightServiceImpl.java
index ec42b7f06..901a2faf6 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/FlightServiceImpl.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/FlightServiceImpl.java
@@ -1,4 +1,4 @@
-package com.tencent.supersonic.headless.server.facade.service.impl;
+package com.tencent.supersonic.headless.server.web.service.impl;
 
 import static com.google.protobuf.Any.pack;
 import static com.google.protobuf.ByteString.copyFrom;
@@ -20,7 +20,7 @@ import com.tencent.supersonic.headless.api.pojo.Param;
 import com.tencent.supersonic.headless.api.pojo.request.QuerySqlReq;
 import com.tencent.supersonic.headless.api.pojo.request.SemanticQueryReq;
 import com.tencent.supersonic.headless.api.pojo.response.SemanticQueryResp;
-import com.tencent.supersonic.headless.server.facade.service.FlightService;
+import com.tencent.supersonic.headless.server.web.service.FlightService;
 import com.tencent.supersonic.headless.server.facade.service.SemanticLayerService;
 import com.tencent.supersonic.headless.server.utils.FlightUtils;
 import java.nio.charset.StandardCharsets;
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/RetrieveServiceImpl.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/RetrieveServiceImpl.java
similarity index 99%
rename from headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/RetrieveServiceImpl.java
rename to headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/RetrieveServiceImpl.java
index 64617f417..334040d4f 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/facade/service/impl/RetrieveServiceImpl.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/web/service/impl/RetrieveServiceImpl.java
@@ -1,4 +1,4 @@
-package com.tencent.supersonic.headless.server.facade.service.impl;
+package com.tencent.supersonic.headless.server.web.service.impl;
 
 import com.google.common.collect.Lists;
 import com.tencent.supersonic.auth.api.authentication.pojo.User;
@@ -21,7 +21,7 @@ import com.tencent.supersonic.headless.chat.knowledge.helper.NatureHelper;
 import com.tencent.supersonic.headless.chat.mapper.MatchText;
 import com.tencent.supersonic.headless.chat.mapper.ModelWithSemanticType;
 import com.tencent.supersonic.headless.chat.mapper.SearchMatchStrategy;
-import com.tencent.supersonic.headless.server.facade.service.RetrieveService;
+import com.tencent.supersonic.headless.server.web.service.RetrieveService;
 import com.tencent.supersonic.headless.server.web.service.DataSetService;
 import com.tencent.supersonic.headless.server.web.service.SchemaService;
 import lombok.extern.slf4j.Slf4j;