diff --git a/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/DataSetSchema.java b/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/DataSetSchema.java
index 730dc00d1..10aee9bdc 100644
--- a/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/DataSetSchema.java
+++ b/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/DataSetSchema.java
@@ -22,7 +22,6 @@ public class DataSetSchema implements Serializable {
     private Set<SchemaElement> tags = new HashSet<>();
     private Set<SchemaElement> dimensionValues = new HashSet<>();
     private Set<SchemaElement> terms = new HashSet<>();
-    private SchemaElement entity = new SchemaElement();
     private QueryConfig queryConfig;
 
     public SchemaElement getElement(SchemaElementType elementType, long elementID) {
@@ -81,13 +80,6 @@ public class DataSetSchema implements Serializable {
         return queryConfig.getAggregateTypeDefaultConfig().getTimeDefaultConfig();
     }
 
-    public DetailTypeDefaultConfig getTagTypeDefaultConfig() {
-        if (queryConfig == null) {
-            return null;
-        }
-        return queryConfig.getDetailTypeDefaultConfig();
-    }
-
     public boolean containsPartitionDimensions() {
         return dimensions.stream().anyMatch(SchemaElement::isPartitionTime);
     }
diff --git a/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/response/DimSchemaResp.java b/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/response/DimSchemaResp.java
index 28107c44a..aca3deeed 100644
--- a/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/response/DimSchemaResp.java
+++ b/headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/response/DimSchemaResp.java
@@ -11,5 +11,4 @@ public class DimSchemaResp extends DimensionResp {
 
     private Long useCnt = 0L;
 
-    private List<String> entityAlias;
 }
diff --git a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/query/rule/RuleSemanticQuery.java b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/query/rule/RuleSemanticQuery.java
index 4a915f0e5..3c7fd1e23 100644
--- a/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/query/rule/RuleSemanticQuery.java
+++ b/headless/chat/src/main/java/com/tencent/supersonic/headless/chat/query/rule/RuleSemanticQuery.java
@@ -148,12 +148,13 @@ public abstract class RuleSemanticQuery extends BaseSemanticQuery {
     }
 
     private void addToFilters(Map<Long, List<SchemaElementMatch>> id2Values,
-            SemanticParseInfo parseInfo, SemanticSchema semanticSchema, SchemaElementType entity) {
+            SemanticParseInfo parseInfo, SemanticSchema semanticSchema,
+            SchemaElementType elementType) {
         if (id2Values == null || id2Values.isEmpty()) {
             return;
         }
         for (Entry<Long, List<SchemaElementMatch>> entry : id2Values.entrySet()) {
-            SchemaElement dimension = semanticSchema.getElement(entity, entry.getKey());
+            SchemaElement dimension = semanticSchema.getElement(elementType, entry.getKey());
             if (dimension.isPartitionTime()) {
                 continue;
             }