diff --git a/src/main/java/com/casic/accessControl/marker/dto/MarkerDto.java b/src/main/java/com/casic/accessControl/marker/dto/MarkerDto.java
index 3f53635..22030b0 100644
--- a/src/main/java/com/casic/accessControl/marker/dto/MarkerDto.java
+++ b/src/main/java/com/casic/accessControl/marker/dto/MarkerDto.java
@@ -328,12 +328,12 @@
         result.setMarkerDepth(doNullChange(marker.getMarkerDepth()));
         result.setMarkerObjectId(doNullChange(marker.getMarkerObjectId()));
         result.setMarkerObjectType(doNullChange(marker.getMarkerObjectType()));
-        result.setOwnerComp(marker.getOwnerComp());
+        result.setOwnerComp(doNullChange(marker.getOwnerComp()));
         result.setIsValid(marker.getIsValid());
         result.setMemo(doNullChange(marker.getMemo()));
         result.setPipeDiameter(doNullChange(marker.getPipeDiameter()));
         result.setPipeMaterial(doNullChange(marker.getPipeMaterial()));
-        result.setMarkerType(marker.getMarkerType());
+        result.setMarkerType(doNullChange(marker.getMarkerType()));
         result.setCreator(doNullChange(marker.getCreator()));
 
         result.setLayStyle(doNullChange(marker.getLayStyle()));