diff --git a/core/event_handler.py b/core/event_handler.py
index c919aeae..5b35345d 100644
--- a/core/event_handler.py
+++ b/core/event_handler.py
@@ -1,5 +1,3 @@
-from inspect import getargs
-
 from panda3d.core import (Point3, Point2, CollisionTraverser, CollisionHandlerQueue,
                          CollisionNode, CollisionRay, GeomNode, LineSegs, RenderState,
                          DepthTestAttrib, ColorAttrib)
@@ -124,7 +122,7 @@ class EventHandler:
         if self.world.currentTool == "地形编辑":
             self._handleTerrainEdit(evt,"add")
             return
-            
+
         # 获取鼠标点击的位置
         x = evt.get('x', 0)
         y = evt.get('y', 0)
@@ -413,6 +411,103 @@ class EventHandler:
             import traceback
             traceback.print_exc()
 
+
+    def mousePressEventRight(self,evt):
+        """处理鼠标右键按下事件"""
+        print(f"当前工具: {self.world.currentTool}")
+
+        # 检查是否是地形编辑模式
+        if self.world.currentTool == "地形编辑":
+            self._handleTerrainEdit(evt, "subtract")  # 降低地形
+            return
+
+        # 其他右键处理逻辑可以在这里添加
+        print("鼠标右键事件处理")
+
+    def _handleTerrainEdit(self,evt,operation):
+        try:
+            x = evt.get('x',0)
+            y = evt.get('y',0)
+
+            winWidth,winHeight = self.world.getWindowSize()
+
+            mx = 2.0 * x/float(winWidth) - 1.0
+            my = 1.0 -2.0*y/float(winHeight)
+
+            nearPoint = Point3()
+            farPoint = Point3()
+            self.world.cam.node().getLens().extrude(Point2(mx, my), nearPoint, farPoint)
+
+            worldNearPoint = self.world.render.getRelativePoint(self.world.cam, nearPoint)
+            worldFarPoint = self.world.render.getRelativePoint(self.world.cam, farPoint)
+
+            picker = CollisionTraverser()
+            queue = CollisionHandlerQueue()
+
+            pickerNode = CollisionNode('terrain_edit_ray')
+            pickerNP = self.world.cam.attachNewNode(pickerNode)
+
+            from panda3d.core import BitMask32
+            pickerNode.setFromCollideMask(BitMask32.allOn())  # 检查所有碰撞
+
+            # 使用相机坐标系的点创建射线
+            direction = farPoint - nearPoint
+            direction.normalize()
+            pickerNode.addSolid(CollisionRay(nearPoint, direction))
+
+            picker.addCollider(pickerNP, queue)
+            picker.traverse(self.world.render)
+            print(f"地形碰撞检测结果数量: {queue.getNumEntries()}")
+
+            # 射线检测结果处理
+            hitPos = None
+            hitNode = None
+
+            if queue.getNumEntries() > 0:
+                # 遍历所有碰撞结果，找到地形节点
+                for i in range(queue.getNumEntries()):
+                    entry = queue.getEntry(i)
+                    collided_node = entry.getIntoNodePath()
+                    print(f"碰撞到节点: {collided_node.getName()}")
+
+                    # 检查是否是地形节点
+                    for terrain_info in self.world.terrain_manager.terrains:
+                        terrain_node = terrain_info['node']
+                        if collided_node == terrain_node or terrain_node.isAncestorOf(collided_node):
+                            hitPos = entry.getSurfacePoint(self.world.render)
+                            hitNode = collided_node
+                            print(f"找到地形节点: {terrain_node.getName()}")
+
+                            # 修改地形高度
+                            x_pos, y_pos = hitPos.getX(), hitPos.getY()
+                            success = self.world.modifyTerrainHeight(
+                                terrain_info, x_pos, y_pos, radius=3.0, strength=0.3, operation=operation)
+
+                            if success:
+                                print(f"✓ 地形编辑成功: {operation} at ({x_pos:.2f}, {y_pos:.2f})")
+                                # 显示射线
+                                self.showClickRay(worldNearPoint, worldFarPoint, hitPos)
+                            else:
+                                print("✗ 地形编辑失败")
+                            break
+
+                    if hitPos:
+                        break
+
+            if not hitPos:
+                print("没有检测到地形碰撞")
+                # 显示射线（无碰撞）
+                self.showClickRay(worldNearPoint, worldFarPoint)
+
+            # 清理碰撞检测节点
+            pickerNP.removeNode()
+            print("地形编辑处理完成")
+
+        except Exception as e:
+            print(f"地形编辑处理出错: {e}")
+            import traceback
+            traceback.print_exc()
+
     def _handleSelectionClick(self, hitNode):
         """处理选择工具的点击事件"""
         print(f"开始处理选择点击，碰撞节点: {hitNode.getName()}")