diff --git a/core/world.py b/core/world.py
index 4860ad50..0538877f 100644
--- a/core/world.py
+++ b/core/world.py
@@ -288,6 +288,7 @@ class CoreWorld(Panda3DWorld):
         self.cam.setPos(0, -50, 20)
         self.cam.lookAt(0, 0, 0)
         self.camLens.setFov(80)
+        # self.cam.setTag("is_scene_element", "1")
         print("✓ 相机设置完成")
 
     def _setupLighting(self):
@@ -321,6 +322,7 @@ class CoreWorld(Panda3DWorld):
         self.ground.setP(-90)
         self.ground.setZ(-0.1)
         self.ground.setColor(0.8, 0.8, 0.8, 1)
+        # self.ground.setTag("is_scene_element", "1")
 
         # 创建支持贴图的材质
         mat = Material()
diff --git a/scene/scene_manager.py b/scene/scene_manager.py
index 3ed0eda8..261b8e73 100644
--- a/scene/scene_manager.py
+++ b/scene/scene_manager.py
@@ -168,6 +168,7 @@ class SceneManager:
             # 添加文件标签用于保存/加载
             model.setTag("file", model_name)
             model.setTag("is_model_root", "1")
+            model.setTag("is_scene_element", "1")
 
             # 记录应用的处理选项
             if apply_unit_conversion:
@@ -914,12 +915,25 @@ class SceneManager:
                 print(f"场景文件不存在: {filename}")
                 return False
 
+            tree_widget = self._get_tree_widget()
             # 清除当前场景
             print("\n清除当前场景...")
             for model in self.models:
-                if not model.isEmpty():
-                    model.removeNode()
-            self.models.clear()
+                tree_widget.delete_item(model)
+
+            # 清除灯光
+            for light_node in self.Spotlight:
+                tree_widget.delete_item(light_node)
+
+            for light_node in self.Pointlight:
+                tree_widget.delete_item(light_node)
+
+            for terrain in self.world.terrain_manager.terrains:
+                tree_widget.delete_item(terrain)
+
+            # 清除tilesets
+            for tileset_info in self.tilesets:
+                tree_widget.delete_item(tileset_info['node'])
 
             for light in self.Spotlight:
                 if not light.isEmpty():
@@ -958,6 +972,8 @@ class SceneManager:
                 print("场景加载失败")
                 return False
 
+            # tree_widget.create_model_items(scene)
+            # 遍历场景中的所有模型节点
             # 用于存储处理后的灯光节点，避免重复处理
             processed_lights = []
             # 用于存储处理后的GUI元素，避免重复处理
@@ -1211,6 +1227,7 @@ class SceneManager:
 
             # 更新场景树
             self.updateSceneTree()
+            # self._get_tree_widget().create_model_items(scene)
 
             print(f"加载完成，GUI元素数量: {len(self.world.gui_elements)}")
             if len(self.world.gui_elements) > 0:
diff --git a/ui/main_window.py b/ui/main_window.py
index 1fbc5078..9f935eaf 100644
--- a/ui/main_window.py
+++ b/ui/main_window.py
@@ -6,7 +6,7 @@
 - 停靠窗口设置
 - 事件连接和信号处理
 """
-
+import os
 import sys
 
 from PyQt5.QtGui import QKeySequence, QIcon
@@ -69,6 +69,20 @@ class MainWindow(QMainWindow):
             int(screen.height() / 2 - self.height() / 2),
         )
 
+    @staticmethod
+    def get_icon_path(icon_name):
+        """获取图标文件的完整路径"""
+        # 假设 icons 文件夹在项目根目录下
+        project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+        icon_path = os.path.join(project_root, "icons", icon_name)
+
+        # 检查文件是否存在，如果不存在则返回默认值或None
+        if not os.path.exists(icon_path):
+            print(f"警告: 图标文件不存在: {icon_path}")
+            return ""  # 返回空字符串，QIcon会处理空路径
+
+        return icon_path
+
     def setupEmbeddedToolbar(self):
         """创建Unity风格的内嵌工具栏"""
         # 创建工具栏容器
@@ -109,8 +123,11 @@ class MainWindow(QMainWindow):
 
         # 选择工具
         self.selectTool = QToolButton()
-        self.selectTool.setIcon(QIcon("icons/select_tool.png"))  # 使用图标资源
-        self.selectTool.setText('选择')
+        icon_path = self.get_icon_path("select_tool.png")
+        if icon_path and os.path.exists(icon_path):
+            self.selectTool.setIcon(QIcon(icon_path))
+        else:
+            self.selectTool.setText('选择')  # 如果没有图标则显示文字
         self.selectTool.setIconSize(QSize(16, 16))
         self.selectTool.setCheckable(True)
         self.selectTool.setToolTip("选择工具 (Q)")
@@ -120,8 +137,11 @@ class MainWindow(QMainWindow):
 
         # 移动工具
         self.moveTool = QToolButton()
-        self.moveTool.setIcon(QIcon("icons/move_tool.png"))
-        self.moveTool.setText('移动')
+        icon_path = self.get_icon_path("move_tool.png")
+        if icon_path and os.path.exists(icon_path):
+            self.moveTool.setIcon(QIcon(icon_path))
+        else:
+            self.moveTool.setText('移动')
         self.moveTool.setIconSize(QSize(16, 16))
         self.moveTool.setCheckable(True)
         self.moveTool.setToolTip("移动工具 (W)")
@@ -131,8 +151,11 @@ class MainWindow(QMainWindow):
 
         # 旋转工具
         self.rotateTool = QToolButton()
-        self.rotateTool.setIcon(QIcon("icons/rotate_tool.png"))
-        self.rotateTool.setText('旋转')
+        icon_path = self.get_icon_path("rotate_tool.png")
+        if icon_path and os.path.exists(icon_path):
+            self.rotateTool.setIcon(QIcon(icon_path))
+        else:
+            self.rotateTool.setText('旋转')
         self.rotateTool.setIconSize(QSize(16, 16))
         self.rotateTool.setCheckable(True)
         self.rotateTool.setToolTip("旋转工具 (E)")
@@ -142,8 +165,11 @@ class MainWindow(QMainWindow):
 
         # 缩放工具
         self.scaleTool = QToolButton()
-        self.scaleTool.setIcon(QIcon("icons/scale_tool.png"))
-        self.scaleTool.setText('缩放')
+        icon_path = self.get_icon_path("scale_tool.png")
+        if icon_path and os.path.exists(icon_path):
+            self.scaleTool.setIcon(QIcon(icon_path))
+        else:
+            self.scaleTool.setText('缩放')
         self.scaleTool.setIconSize(QSize(16, 16))
         self.scaleTool.setCheckable(True)
         self.scaleTool.setToolTip("缩放工具 (R)")
diff --git a/ui/widgets.py b/ui/widgets.py
index 4f0fc48f..c1507f18 100644
--- a/ui/widgets.py
+++ b/ui/widgets.py
@@ -18,7 +18,7 @@ from PyQt5.QtCore import Qt, QUrl, QMimeData
 from PyQt5.QtGui import QDrag, QPainter, QPixmap, QPen, QBrush
 from PyQt5.sip import wrapinstance
 from direct.showbase.ShowBaseGlobal import aspect2d
-from panda3d.core import ModelRoot
+from panda3d.core import ModelRoot, NodePath
 
 from QPanda3D.QPanda3DWidget import QPanda3DWidget
 from scene import util
@@ -1474,12 +1474,9 @@ class CustomTreeWidget(QTreeWidget):
 
     def showContextMenu(self, position):
         """显示右键菜单 - 复用主菜单的创建动作"""
-        if not self.selectedItems():
-            print("没有选中的项目，不显示右键菜单")
-            return
-
-        item = self.selectedItems()[0]
-        print(f"为项目 '{item.text(0)}' 显示右键菜单")
+        if self.selectedItems():
+            item = self.selectedItems()[0]
+            print(f"为项目 '{item.text(0)}' 显示右键菜单")
 
         # 创建右键菜单
         menu = QMenu(self)
@@ -2187,6 +2184,62 @@ class CustomTreeWidget(QTreeWidget):
         except Exception as e:
             print(e)
 
+    def _findSceneRoot(self):
+        """查找场景根节点"""
+        for i in range(self.topLevelItemCount()):
+            top_item = self.topLevelItem(i)
+            if top_item.data(0, Qt.UserRole + 1) == "SCENE_ROOT":
+                return top_item
+        return None
+
+    def create_model_items(self, model):
+        if not model:
+            print("传入的参数model为空")
+            return
+        # 创建根节点项
+        # root_item = QTreeWidgetItem(self)
+        # root_item.setText(0, model.getName() or "Unnamed Node")
+        # root_item.setText(1, model.node().getTypeName())
+        # root_item.setIcon(0, self.item_icons.get('model', self.item_icons['default']))
+
+        # 存储NodePath引用以便后续操作
+        # root_item.setData(0, Qt.UserRole, model)
+        root_item = self._findSceneRoot()
+
+        # 递归添加子节点
+        self._add_children_recursive(root_item, model)
+
+        return root_item
+
+    def _add_children_recursive(self, parent_item, node_path: NodePath):
+        """递归添加子节点到树项"""
+        print(f'开始递归添加子节点')
+        # 获取所有子节点
+        children = node_path.getChildren()
+
+        for i in range(children.getNumPaths()):
+            child_node: NodePath = children.getPath(i)
+
+            # 过滤条件
+            if not child_node.hasTag("is_scene_element"):
+                print(f"不存在------------------------{child_node.hasTag('is_scene_element')}")
+                continue
+
+            print(f"存在------------------------{child_node.getName()}")
+            # 创建子项
+            child_item = QTreeWidgetItem(parent_item)
+            child_item.setText(0, child_node.getName() or f"Child_{i}")
+
+            # 存储NodePath引用
+            child_item.setData(0, Qt.UserRole, child_node)
+
+            # 添加额外信息（可选）
+            # self._add_node_info(child_item, child_node)
+
+            # 递归处理子节点的子节点
+            if child_node.getNumChildren() > 0:
+                self._add_children_recursive(child_item, child_node)
+
     # ==================== 辅助方法 ====================
     def _findSceneRoot(self):
         """查找场景根节点"""