diff --git a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java
index 9efa9876747b..18bcaed313a3 100644
--- a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java
+++ b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java
@@ -132,8 +132,10 @@ public static RelDataType getEdgeType(RelDataType graphPathType) {
         return graphPathType;
     }
 
-    public static String parseLabelValue(Common.Value value, GraphLabelType type) {
+    public static Object parseLabelValue(Common.Value value, GraphLabelType type) {
         switch (value.getItemCase()) {
+            case NONE:
+                return null;
             case STR:
                 return value.getStr();
             case I32:
diff --git a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/cypher/result/CypherRecordParser.java b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/cypher/result/CypherRecordParser.java
index 6127445100b8..8c829a2b3480 100644
--- a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/cypher/result/CypherRecordParser.java
+++ b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/cypher/result/CypherRecordParser.java
@@ -304,7 +304,14 @@ protected AnyValue parseGraphPath(IrResult.GraphPath path, @Nullable RelDataType
 
     protected AnyValue parseValue(Common.Value value, @Nullable RelDataType dataType) {
         if (dataType instanceof GraphLabelType) {
-            return Values.stringValue(Utils.parseLabelValue(value, (GraphLabelType) dataType));
+            Object labelValue = Utils.parseLabelValue(value, (GraphLabelType) dataType);
+            if (labelValue == null) {
+                return Values.NO_VALUE;
+            } else if (labelValue instanceof String) {
+                return Values.stringValue((String) labelValue);
+            } else {
+                return Values.stringValue(labelValue.toString());
+            }
         }
         switch (value.getItemCase()) {
             case BOOLEAN: