diff --git a/src/tree.py b/src/tree.py
index 91c26528a456fdb7761940b505bf784fb5cc893f..767bb8ddf4899843270a268d07b86586117bf727 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -154,7 +154,7 @@ def gen_tree(data_path):
                     id_set.add(ecfg['exercise_id'])
 
                 if flag:
-                    dump_json(cfg_path, cfg, exist_ok=True, override=True)
+                    dump_json(sec_path, sec_cfg, exist_ok=True, override=True)
 
     # 保存技能树骨架
     tree_path = os.path.join(data_path, 'tree.json')