diff --git a/hsweb-commons/hsweb-commons-api/src/main/java/org/hswebframework/web/api/crud/entity/TreeSupportEntity.java b/hsweb-commons/hsweb-commons-api/src/main/java/org/hswebframework/web/api/crud/entity/TreeSupportEntity.java
index 9d01bca8f..a1936853c 100644
--- a/hsweb-commons/hsweb-commons-api/src/main/java/org/hswebframework/web/api/crud/entity/TreeSupportEntity.java
+++ b/hsweb-commons/hsweb-commons-api/src/main/java/org/hswebframework/web/api/crud/entity/TreeSupportEntity.java
@@ -184,11 +184,6 @@ public interface TreeSupportEntity<PK> extends Entity {
             }
         }
 
-        if (CollectionUtils.isEmpty(root.getChildren())) {
-            target.add(root);
-            return;
-        }
-
         //尝试设置id
         PK parentId = root.getId();
         if (parentId == null) {
@@ -196,6 +191,11 @@ public interface TreeSupportEntity<PK> extends Entity {
             root.setId(parentId);
         }
 
+        if (CollectionUtils.isEmpty(root.getChildren())) {
+            target.add(root);
+            return;
+        }
+
         //所有节点处理队列
         Queue<T> queue = new LinkedList<>();
         queue.add(root);