diff --git a/src/UI/WPF/Resources/NavisworksStyles.xaml b/src/UI/WPF/Resources/NavisworksStyles.xaml
index 69136c2..b5fe60a 100644
--- a/src/UI/WPF/Resources/NavisworksStyles.xaml
+++ b/src/UI/WPF/Resources/NavisworksStyles.xaml
@@ -212,8 +212,8 @@ NavisworksTransport 共享样式资源字典 - Navisworks 2026风格
     <!-- L形转角图标 (过弯检测) -->
     <Geometry x:Key="CornerCheckIconGeometry">M2,18 L2,4 L16,4 L16,2 M4,16 L4,6 L14,6 M7,12 L7,8 L11,8 L11,12 Z</Geometry>
 
-    <!-- 包围盒图标 (双线框立方体) -->
-    <Geometry x:Key="BoundingBoxIconGeometry">M3,7 L14,7 L14,18 L3,18 Z M3,7 L7,3 L18,3 L14,7 M14,18 L18,14 L18,3 L14,7 M6,10 L11,10 L11,15 L6,15 Z M6,10 L9,7 L14,7 L11,10 M11,15 L14,12 L14,7 L11,10</Geometry>
+    <!-- 包围盒图标 (水平直尺 + 旋转45度) -->
+    <Geometry x:Key="BoundingBoxIconGeometry">M2,5 L18,5 L18,15 L2,15 Z M4,5 L4,3 M7,5 L7,2 M10,5 L10,3 M13,5 L13,2 M16,5 L16,3</Geometry>
 
     <!-- 靶心/准心图标 (测量工具) -->
     <Geometry x:Key="TargetIconGeometry">
diff --git a/src/UI/WPF/Views/PathEditingView.xaml b/src/UI/WPF/Views/PathEditingView.xaml
index 32cbb55..420f3c2 100644
--- a/src/UI/WPF/Views/PathEditingView.xaml
+++ b/src/UI/WPF/Views/PathEditingView.xaml
@@ -321,7 +321,7 @@ NavisworksTransport 路径编辑页签视图 - 采用与动画控制和分层管
                                 Width="24"
                                 Height="24"
                                 Margin="0,0,2,0">
-                            <Path Data="{StaticResource BoundingBoxIconGeometry}" 
+                            <Path Data="M3,7 L14,7 L14,18 L3,18 Z M3,7 L7,3 L18,3 L14,7 M14,18 L18,14 L18,3 L14,7"
                                   Stroke="{StaticResource NavisworksPrimaryBrush}" 
                                   StrokeThickness="1.2"
                                   Fill="Transparent"