diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/QueryParser.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/QueryParser.java
index c7b742d9e..197f9a677 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/QueryParser.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/parser/QueryParser.java
@@ -117,8 +117,7 @@ public class QueryParser {
             return queryStatement;
         }
         try {
-            queryStatement = ComponentFactory.getSqlParser().explain(queryStatement, isAgg);
-            return queryStatement;
+            return ComponentFactory.getSqlParser().explain(queryStatement, isAgg);
         } catch (Exception e) {
             queryStatement.setErrMsg(e.getMessage());
             log.error("parser error metricQueryReq[{}] error [{}]", metricQueryReq, e);
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/QueryServiceImpl.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/QueryServiceImpl.java
index 2696ef64d..4777cef77 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/QueryServiceImpl.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/QueryServiceImpl.java
@@ -316,6 +316,7 @@ public class QueryServiceImpl implements QueryService {
 
         if (QueryType.SQL.equals(queryTypeEnum) && queryReq instanceof QuerySqlReq) {
             QueryStatement queryStatement = convertToQueryStatement((QuerySqlReq) queryReq, user);
+            queryStatement = plan(queryStatement);
             return getExplainResp(queryStatement);
         }
         if (QueryType.STRUCT.equals(queryTypeEnum) && queryReq instanceof QueryStructReq) {
@@ -326,6 +327,7 @@ public class QueryServiceImpl implements QueryService {
         if (QueryType.STRUCT.equals(queryTypeEnum) && queryReq instanceof QueryMultiStructReq) {
             QueryMultiStructReq queryMultiStructReq = (QueryMultiStructReq) queryReq;
             QueryStatement queryStatement = buildQueryStatement(queryMultiStructReq);
+            queryStatement = plan(queryStatement);
             return getExplainResp(queryStatement);
         }
 
@@ -453,11 +455,6 @@ public class QueryServiceImpl implements QueryService {
         return querySQLReq;
     }
 
-    private String getKeyByModelIds(List<Long> modelIds) {
-        return String.join(",", modelIds.stream()
-                .map(Object::toString).collect(Collectors.toList()));
-    }
-
     private QueryStatement plan(QueryStatement queryStatement) throws Exception {
         queryStatement = queryParser.parse(queryStatement);
         log.info("queryStatement:{}", queryStatement);