diff --git a/SourceCollector.py b/SourceCollector.py
index d795172..1fb2de9 100644
--- a/SourceCollector.py
+++ b/SourceCollector.py
@@ -145,6 +145,7 @@ class SourceCollector:
             # 距离=曼哈顿距离
             dist = abs(child.pos[0] - sn.pos[0]) + abs(child.pos[1] - sn.pos[1])
             # 金币优先，陷阱次之
+            print(dist)
             if self.maze[child.pos[0]][child.pos[1]].startswith('g'):
                 return (0, dist)  # 金币优先，距离近优先
             elif self.maze[child.pos[0]][child.pos[1]].startswith('t'):
@@ -169,6 +170,7 @@ class SourceCollector:
         return self.path
     
     def bfs_path(self, start, end):
+        return 
         """从start到end的最短路径（含首尾）"""
         from collections import deque
         n, m = self.rowNums, self.colNums
diff --git a/maze_generator.py b/maze_generator.py
index 7d18be3..b4d4ebd 100644
--- a/maze_generator.py
+++ b/maze_generator.py
@@ -86,6 +86,8 @@ class MazeGenerator:
             recursiveDivision(x, wall_y + 1, wall_x - x, y + height - wall_y - 1)
             recursiveDivision(wall_x + 1, y, x + width - wall_x - 1, wall_y - y)
             recursiveDivision(wall_x + 1, wall_y + 1, x + width - wall_x - 1, y + height - wall_y - 1)
+            self.history_mazes.append([[__ for __ in _] for _ in self.maze])
+            
         # 先全部通路
         self.maze = [[self.ROUTE for _ in range(self.size)] for _ in range(self.size)]
         # 四周加墙
@@ -109,7 +111,9 @@ class MazeGenerator:
         self.maze[start[0]][start[1]] = self.START
         self.maze[end[0]][end[1]] = self.END
         self.special_elements.extend([(start[0], start[1], self.START), (end[0], end[1], self.END)])
-
+    def get_history_mazes(self):
+        return self.history_mazes
+    
     def get_available_cells(self):
         """获取所有可通行单元格"""
         cells = []
diff --git a/saves/maze_save_20250630_124021.json b/saves/maze_save_20250630_124021.json
new file mode 100644
index 0000000..960ad0b
--- /dev/null
+++ b/saves/maze_save_20250630_124021.json
@@ -0,0 +1,580 @@
+{
+  "maze": [
+    [
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      "#",
+      " ",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      " ",
+      " ",
+      "#",
+      "#",
+      "#",
+      "T",
+      "#",
+      "#",
+      "#",
+      "G",
+      " ",
+      " ",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      " ",
+      "G",
+      " ",
+      "L",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      "#",
+      "G",
+      " ",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      "S",
+      "#",
+      " ",
+      " ",
+      " ",
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      "T",
+      "#",
+      "G",
+      "#",
+      " ",
+      " ",
+      "B",
+      "#",
+      " ",
+      "#",
+      "G",
+      "#",
+      "T",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      "G",
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      " ",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      " ",
+      "E",
+      "#",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      " ",
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      " ",
+      "#",
+      " ",
+      "G",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      " ",
+      "#",
+      "#"
+    ],
+    [
+      "#",
+      " ",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "L",
+      " ",
+      "#"
+    ],
+    [
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#",
+      "#"
+    ]
+  ],
+  "metadata": {
+    "save_name": "maze_save_20250630_124021",
+    "save_time": "2025-06-30T12:40:21.179729",
+    "maze_size": 16,
+    "path_length": 69
+  },
+  "path_data": {
+    "full_path": [
+      [
+        5,
+        1
+      ],
+      [
+        4,
+        1
+      ],
+      [
+        3,
+        1
+      ],
+      [
+        2,
+        1
+      ],
+      [
+        2,
+        2
+      ],
+      [
+        2,
+        3
+      ],
+      [
+        3,
+        3
+      ],
+      [
+        3,
+        4
+      ],
+      [
+        4,
+        4
+      ],
+      [
+        5,
+        4
+      ],
+      [
+        5,
+        3
+      ],
+      [
+        6,
+        3
+      ],
+      [
+        7,
+        3
+      ],
+      [
+        6,
+        3
+      ],
+      [
+        5,
+        3
+      ],
+      [
+        5,
+        4
+      ],
+      [
+        5,
+        5
+      ],
+      [
+        6,
+        5
+      ],
+      [
+        7,
+        5
+      ],
+      [
+        8,
+        5
+      ],
+      [
+        9,
+        5
+      ],
+      [
+        10,
+        5
+      ],
+      [
+        11,
+        5
+      ],
+      [
+        11,
+        6
+      ],
+      [
+        11,
+        5
+      ],
+      [
+        10,
+        5
+      ],
+      [
+        9,
+        5
+      ],
+      [
+        8,
+        5
+      ],
+      [
+        7,
+        5
+      ],
+      [
+        6,
+        5
+      ],
+      [
+        6,
+        6
+      ],
+      [
+        6,
+        7
+      ],
+      [
+        7,
+        7
+      ],
+      [
+        7,
+        8
+      ],
+      [
+        7,
+        9
+      ],
+      [
+        6,
+        9
+      ],
+      [
+        5,
+        9
+      ],
+      [
+        5,
+        10
+      ],
+      [
+        4,
+        10
+      ],
+      [
+        3,
+        10
+      ],
+      [
+        3,
+        11
+      ],
+      [
+        2,
+        11
+      ],
+      [
+        2,
+        12
+      ],
+      [
+        2,
+        13
+      ],
+      [
+        3,
+        13
+      ],
+      [
+        2,
+        13
+      ],
+      [
+        2,
+        12
+      ],
+      [
+        2,
+        11
+      ],
+      [
+        3,
+        11
+      ],
+      [
+        3,
+        10
+      ],
+      [
+        4,
+        10
+      ],
+      [
+        5,
+        10
+      ],
+      [
+        5,
+        11
+      ],
+      [
+        6,
+        11
+      ],
+      [
+        5,
+        11
+      ],
+      [
+        5,
+        10
+      ],
+      [
+        5,
+        9
+      ],
+      [
+        6,
+        9
+      ],
+      [
+        7,
+        9
+      ],
+      [
+        7,
+        8
+      ],
+      [
+        7,
+        7
+      ],
+      [
+        6,
+        7
+      ],
+      [
+        6,
+        6
+      ],
+      [
+        6,
+        5
+      ],
+      [
+        7,
+        5
+      ],
+      [
+        8,
+        5
+      ],
+      [
+        9,
+        5
+      ],
+      [
+        9,
+        6
+      ],
+      [
+        9,
+        7
+      ]
+    ],
+    "current_step": 0,
+    "is_path_complete": false
+  }
+}
\ No newline at end of file