diff --git a/AGSS/Services/MenuService.cs b/AGSS/Services/MenuService.cs
index 90766fa..346d426 100644
--- a/AGSS/Services/MenuService.cs
+++ b/AGSS/Services/MenuService.cs
@@ -266,9 +266,10 @@ public class MenuService
     /// </summary>
     private List<MenuResponse> BuildMenuTree(List<MenuModel> allMenus)
     {
-        var menuDict = allMenus.ToDictionary(m => m.Uuid);
+        var menuResponseDict = new Dictionary<string, MenuResponse>();
         var rootMenus = new List<MenuResponse>();
 
+        // 第一步：创建所有菜单的响应对象
         foreach (var menu in allMenus)
         {
             var menuResponse = new MenuResponse
@@ -289,6 +290,14 @@ public class MenuService
                 UpdateTime = menu.UpdateTime
             };
 
+            menuResponseDict[menu.Uuid] = menuResponse;
+        }
+
+        // 第二步：构建树形结构
+        foreach (var menu in allMenus)
+        {
+            var menuResponse = menuResponseDict[menu.Uuid];
+
             if (string.IsNullOrEmpty(menu.ParentId))
             {
                 // 根菜单
@@ -297,13 +306,9 @@ public class MenuService
             else
             {
                 // 子菜单
-                if (menuDict.TryGetValue(menu.ParentId, out var parentMenu))
+                if (menuResponseDict.TryGetValue(menu.ParentId, out var parentResponse))
                 {
-                    var parentResponse = FindMenuResponse(rootMenus, menu.ParentId);
-                    if (parentResponse != null)
-                    {
-                        parentResponse.Children.Add(menuResponse);
-                    }
+                    parentResponse.Children.Add(menuResponse);
                 }
             }
         }
@@ -311,25 +316,5 @@ public class MenuService
         return rootMenus;
     }
 
-    /// <summary>
-    /// 在菜单树中查找指定UUID的菜单响应对象
-    /// </summary>
-    private MenuResponse? FindMenuResponse(List<MenuResponse> menus, string uuid)
-    {
-        foreach (var menu in menus)
-        {
-            if (menu.Uuid == uuid)
-            {
-                return menu;
-            }
 
-            var found = FindMenuResponse(menu.Children, uuid);
-            if (found != null)
-            {
-                return found;
-            }
-        }
-
-        return null;
-    }
 } 
\ No newline at end of file