diff --git a/src/tree.py b/src/tree.py
index fff4f99ace1399e7ef9fa25f9e0ff2195860023a..0da9ebca340f6ab6f2c9e33f56a43c4ca563f68a 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -69,7 +69,7 @@ def gen_tree(data_path):
     def ensure_id_helper(node):
         flag = False
 
-        if (node.get('node_id') is None) or node.get('node_id') in id_set or True:
+        if (node.get('node_id') is None) or node.get('node_id') in id_set:
             node['node_id'] = gen_node_id()   
             flag = True