diff --git a/minamo/dataset.py b/minamo/dataset.py
index 0ff667e..afd253c 100644
--- a/minamo/dataset.py
+++ b/minamo/dataset.py
@@ -1,7 +1,7 @@
 import json
 import torch
 from torch.utils.data import Dataset
-from torch_geometric.data import Data
+from shared.graph import convert_map_to_graph
 
 def load_data(path: str):
     with open(path, 'r', encoding="utf-8") as f:
@@ -13,33 +13,6 @@ def load_data(path: str):
         
     return data_list
 
-def convert_map_to_graph(map):
-    rows = len(map)
-    cols = len(map[0])
-    node_indices = {}
-    valid_nodes = []
-    node_counter = 0
-
-    for r in range(rows):
-        for c in range(cols):
-            if map[r][c] != 1:  # 排除墙体
-                node_indices[(r, c)] = node_counter
-                valid_nodes.append((r, c, map[r][c]))  # (行, 列, 地形类型)
-                node_counter += 1
-
-    edge_list = []
-    for (r, c, _) in valid_nodes:
-        node = node_indices[(r, c)]
-        if c + 1 < cols and (r, c + 1) in node_indices:
-            edge_list.append((node, node_indices[(r, c + 1)]))
-        if r + 1 < rows and (r + 1, c) in node_indices:
-            edge_list.append((node, node_indices[(r + 1, c)]))
-
-    edge_index = torch.tensor(edge_list, dtype=torch.long).T
-    node_features = torch.tensor([node_type for (_, _, node_type) in valid_nodes], dtype=torch.long)
-
-    return Data(x=node_features, edge_index=edge_index)
-
 class MinamoDataset(Dataset):
     def __init__(self, data_path: str):
         self.data = load_data(data_path)  # 自定义数据加载函数
diff --git a/shared/graph.py b/shared/graph.py
new file mode 100644
index 0000000..187051c
--- /dev/null
+++ b/shared/graph.py
@@ -0,0 +1,29 @@
+import torch
+from torch_geometric import Data
+
+def convert_map_to_graph(map):
+    rows = len(map)
+    cols = len(map[0])
+    node_indices = {}
+    valid_nodes = []
+    node_counter = 0
+
+    for r in range(rows):
+        for c in range(cols):
+            if map[r][c] != 1:  # 排除墙体
+                node_indices[(r, c)] = node_counter
+                valid_nodes.append((r, c, map[r][c]))  # (行, 列, 地形类型)
+                node_counter += 1
+
+    edge_list = []
+    for (r, c, _) in valid_nodes:
+        node = node_indices[(r, c)]
+        if c + 1 < cols and (r, c + 1) in node_indices:
+            edge_list.append((node, node_indices[(r, c + 1)]))
+        if r + 1 < rows and (r + 1, c) in node_indices:
+            edge_list.append((node, node_indices[(r + 1, c)]))
+
+    edge_index = torch.tensor(edge_list, dtype=torch.long).T
+    node_features = torch.tensor([node_type for (_, _, node_type) in valid_nodes], dtype=torch.long)
+
+    return Data(x=node_features, edge_index=edge_index)
\ No newline at end of file