diff --git a/backend/app/utils/build_tree.py b/backend/app/utils/build_tree.py
index 271f1771..c10231f2 100644
--- a/backend/app/utils/build_tree.py
+++ b/backend/app/utils/build_tree.py
@@ -24,20 +24,21 @@ def traversal_to_tree(nodes: list[dict[str, Any]]) -> list[dict[str, Any]]:
     :param nodes:
     :return:
     """
-    node_map = {}
-    root_nodes = []
+    tree = []
+    node_dict = {node['id']: node for node in nodes}
 
     for node in nodes:
         parent_id = node['parent_id']
         if parent_id is None:
-            root_nodes.append(node)
+            tree.append(node)
         else:
-            parent_node = node_map.get(parent_id, {})
-            parent_node.setdefault('children', []).append(node)
-            node_map[parent_id] = parent_node
-        node_map[node['id']] = node
+            parent_node = node_dict.get(parent_id)
+            if parent_node is not None:
+                if 'children' not in parent_node:
+                    parent_node['children'] = []
+                parent_node['children'].append(node)
 
-    return root_nodes
+    return tree
 
 
 async def recursive_to_tree(nodes: list[dict[str, Any]], *, parent_id: int | None = None) -> list[dict[str, Any]]:
@@ -51,12 +52,10 @@ async def recursive_to_tree(nodes: list[dict[str, Any]], *, parent_id: int | Non
     tree = []
     for node in nodes:
         if node['parent_id'] == parent_id:
-            child_node = {
-                'id': node['id'],
-                'parent_id': node['parent_id'],
-                'children': await recursive_to_tree(nodes, parent_id=node['id']),
-            }
-            tree.append(child_node)
+            child_node = await recursive_to_tree(nodes, parent_id=node['id'])
+            if child_node:
+                node['children'] = child_node
+            tree.append(node)
     return tree
 
 
diff --git a/backend/sql/init_test_data.sql b/backend/sql/init_test_data.sql
index 2b2e0152..8dcb8247 100644
--- a/backend/sql/init_test_data.sql
+++ b/backend/sql/init_test_data.sql
@@ -1,7 +1,7 @@
 INSERT INTO fba.sys_dept (id, name, level, sort, leader, phone, email, status, del_flag, parent_id, created_time, updated_time)
 VALUES (1, 'test', 0, 0, null, null, null, 1, 0, null, '2023-06-26 17:13:45', null);
 
-insert into fba.sys_menu (id, name, level, sort, icon, path, menu_type, component, perms, status, remark, parent_id, created_time, updated_time, 'show', cache)
+insert into fba.sys_menu (id, name, level, sort, icon, path, menu_type, component, perms, status, remark, parent_id, created_time, updated_time, `show`, cache)
 values  (1, 'test', 0, 0, null, null, 0, null, null, 1, null, null, '2023-06-26 17:13:45', null, 0, 1),
         (2, 'dashboard', 0, 0, 'icon-dashboard', '/dashboard', 0, '/dashboard/workplace/index.vue', null, 1, null, null, '2023-06-30 10:10:34', null, 1, 1),
         (3, 'Workplace', 0, 0, null, '/workplace', 0, null, null, 1, null, 2, '2023-06-30 10:11:40', null, 1, 1),