结构大修改，改成朴实无华的结构，不过度架构。能跑就行

Assets/Scripts/NBC.Fantasy~/Editor/Asset/Menus.cs

@@ -0,0 +1,26 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace NBC.Editor
+{
+    public static class Menus
+    {
+        [MenuItem(Language.MenuDownloadPath)]
+        public static void ViewDownload()
+        {
+            EditorUtility.OpenWithDefaultApp(Const.SavePath);
+        }
+        
+        [MenuItem(Language.MenuBuildPath)]
+        public static void ViewBuild()
+        {
+            EditorUtility.OpenWithDefaultApp(BuildSettings.PlatformPath);
+        }
+        
+        [MenuItem(Language.MenuCachePath)]
+        public static void ViewCache()
+        {
+            EditorUtility.OpenWithDefaultApp(Application.persistentDataPath);
+        }
+    }
+}