diff --git a/apps/assets/api/node.py b/apps/assets/api/node.py
index c756e9efd..a8164cd13 100644
--- a/apps/assets/api/node.py
+++ b/apps/assets/api/node.py
@@ -71,8 +71,8 @@ class NodeViewSet(OrgModelViewSet):
         if node.is_org_root():
             error = _("You can't delete the root node ({})".format(node.value))
             return Response(data={'error': error}, status=status.HTTP_403_FORBIDDEN)
-        if node.has_children_or_has_assets():
-            error = _("Deletion failed and the node contains children or assets")
+        if node.has_offspring_assets():
+            error = _("Deletion failed and the node contains assets")
             return Response(data={'error': error}, status=status.HTTP_403_FORBIDDEN)
         return super().destroy(request, *args, **kwargs)
 
diff --git a/apps/assets/models/node.py b/apps/assets/models/node.py
index 973df4b4a..2e3b890a5 100644
--- a/apps/assets/models/node.py
+++ b/apps/assets/models/node.py
@@ -38,8 +38,7 @@ def compute_parent_key(key):
 
 
 class NodeQuerySet(models.QuerySet):
-    def delete(self):
-        raise NotImplementedError
+    pass
 
 
 class FamilyMixin:
@@ -622,14 +621,14 @@ class Node(OrgModelMixin, SomeNodesMixin, FamilyMixin, NodeAssetsMixin):
         tree_node = TreeNode(**data)
         return tree_node
 
-    def has_children_or_has_assets(self):
-        if self.children or self.get_assets().exists():
-            return True
-        return False
+    def has_offspring_assets(self):
+        # 拥有后代资产
+        return self.get_all_assets().exists()
 
     def delete(self, using=None, keep_parents=False):
-        if self.has_children_or_has_assets():
+        if self.has_offspring_assets():
             return
+        self.all_children.delete()
         return super().delete(using=using, keep_parents=keep_parents)
 
     def update_child_full_value(self):