diff --git a/search.py b/search.py
index da8a47b..f5fb62e 100644
--- a/search.py
+++ b/search.py
@@ -653,17 +653,3 @@
                     self.show_search_tree(top_text=top_text,
                                           this_path=e_path,
                                           show_success_color=True)
-
-
-# 定义节点列表
-node_list = ["0", "1", "2", "3", "4"]
-
-# 定义边及权重列表
-weighted_edges_list = [("0", "1", 10), ("0", "2", 10),
-                       ("1", "3", 10), ("2", "3", 5),
-                       ("2", "4", 20), ("3", "4", 14),
-                       ("3", "2", 5)]
-
-# 定义绘图中各个节点的坐标
-nodes_pos = {"0": (1, 7), "1": (5, 1), "2": (5, 13), "3": (9, 7),
-             "4": (11, 13)}