fix(Node): Node 保存的时候，在信号里设置 parent_key

apps/assets/api/node.py

@@ -201,10 +201,8 @@ class NodeAddChildrenApi(generics.UpdateAPIView):
     def put(self, request, *args, **kwargs):
         instance = self.get_object()
         nodes_id = request.data.get("nodes")
-        children = [get_object_or_none(Node, id=pk) for pk in nodes_id]
+        children = Node.objects.filter(id__in=nodes_id)
         for node in children:
-            if not node:
-                continue
             node.parent = instance
         return Response("OK")