diff --git a/form/src/main/java/com/bin/david/form/core/AnnotationParser.java b/form/src/main/java/com/bin/david/form/core/AnnotationParser.java
index 23b59e5..1237572 100644
--- a/form/src/main/java/com/bin/david/form/core/AnnotationParser.java
+++ b/form/src/main/java/com/bin/david/form/core/AnnotationParser.java
@@ -132,8 +132,9 @@ private void createColumn(String fieldName,Field field, List<Column> columns, Ma
                 parentColumn.setId(id);
                 columns.add(parentColumn);
                 parentMap.put(parent, parentColumn);
+            }else {
+                parentColumn.addChildren(column);
             }
-            parentColumn.addChildren(column);
             if (id < parentColumn.getId()) {
                 parentColumn.setId(id);
             }