diff --git a/src/tree.py b/src/tree.py
index bafd5452e7c4532d66dfc2b85efe6e482eb0781c..c36a946fc07501220698b0eb9c55b06af15dbce6 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -213,6 +213,8 @@ class TreeWalker:
             config = {
                 "node_id": self.gen_node_id(),
                 "keywords": [],
+                "children":[],
+                "export":[]
             }
             dump_json(config_path, config, exist_ok=True, override=True)
         else: