diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/pojo/Ontology.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/pojo/Ontology.java
index e75e7c008..80a0f6a95 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/pojo/Ontology.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/pojo/Ontology.java
@@ -1,5 +1,6 @@
 package com.tencent.supersonic.headless.core.pojo;
 
+import com.tencent.supersonic.common.pojo.enums.EngineType;
 import com.tencent.supersonic.headless.api.pojo.response.DatabaseResp;
 import com.tencent.supersonic.headless.api.pojo.response.DimSchemaResp;
 import com.tencent.supersonic.headless.api.pojo.response.MetricSchemaResp;
@@ -31,4 +32,11 @@ public class Ontology {
                 .collect(Collectors.toList());
     }
 
+    public EngineType getDatabaseType() {
+        if (Objects.nonNull(database)) {
+            return EngineType.fromString(database.getType().toUpperCase());
+        }
+        return null;
+    }
+
 }
diff --git a/headless/core/src/main/java/com/tencent/supersonic/headless/core/translator/DefaultSemanticTranslator.java b/headless/core/src/main/java/com/tencent/supersonic/headless/core/translator/DefaultSemanticTranslator.java
index 1598b75b3..9beacff58 100644
--- a/headless/core/src/main/java/com/tencent/supersonic/headless/core/translator/DefaultSemanticTranslator.java
+++ b/headless/core/src/main/java/com/tencent/supersonic/headless/core/translator/DefaultSemanticTranslator.java
@@ -75,8 +75,7 @@ public class DefaultSemanticTranslator implements SemanticTranslator {
         tables.add(Pair.of(ontologyInnerTable, ontologyInnerSql));
         String finalSql = null;
         if (sqlQuery.isSupportWith()) {
-            EngineType engineType =
-                    EngineType.fromString(queryStatement.getOntology().getDatabase().getType());
+            EngineType engineType = queryStatement.getOntology().getDatabaseType();
             if (!SqlMergeWithUtils.hasWith(engineType, ontologyQuerySql)) {
                 finalSql = "with " + tables.stream()
                         .map(t -> String.format("%s as (%s)", t.getLeft(), t.getRight()))