diff --git a/src/tree.py b/src/tree.py
index 3b72d84a30c6abc9dcfefaed2db1785e75b5e9c8..d6b93bb1edfc994dfb2e25fa31ac4e76b8e14bb2 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -58,7 +58,7 @@ def gen_tree(data_path):
 
     def gen_node_id():
         # return ''.join(str(uuid.uuid5(uuid.NAMESPACE_URL, 'skill_tree')).split('-'))
-        return "opencv-" + uuid.uuid4().hex
+        return "algorithm-" + uuid.uuid4().hex
 
     def list_dir(p):
         v = os.listdir(p)