diff --git a/src/UI/WPF/Views/EditRotationWindow.xaml.cs b/src/UI/WPF/Views/EditRotationWindow.xaml.cs
index ef04853..bbd95d8 100644
--- a/src/UI/WPF/Views/EditRotationWindow.xaml.cs
+++ b/src/UI/WPF/Views/EditRotationWindow.xaml.cs
@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel;
+using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Windows;
 using System.Windows.Controls;
@@ -7,6 +8,7 @@ using System.Windows.Data;
 using NavisworksTransport.UI.WPF.Converters;
 using NavisworksTransport.Utils;
 using NavisworksTransport.Utils.CoordinateSystem;
+using NavisApplication = Autodesk.Navisworks.Api.Application;
 
 namespace NavisworksTransport.UI.WPF.Views
 {
@@ -400,15 +402,16 @@ namespace NavisworksTransport.UI.WPF.Views
 
         private void OnMateToGroundClick(object sender, RoutedEventArgs e)
         {
+            LogManager.Debug("[贴地面] 按钮被点击");
             try
             {
                 var assemblyPath = FaceInferToolPlugin.AssemblyPath;
-                Autodesk.Navisworks.Api.Application.Plugins.AddPluginAssembly(assemblyPath);
+                NavisApplication.Plugins.AddPluginAssembly(assemblyPath);
                 var record = (Autodesk.Navisworks.Api.Plugins.ToolPluginRecord)
-                    Autodesk.Navisworks.Api.Application.Plugins.FindPlugin("FaceInferTool.NavisworksTransport");
+                    NavisApplication.Plugins.FindPlugin("FaceInferTool.NavisworksTransport");
                 var loadedPlugin = record.LoadPlugin();
-                Autodesk.Navisworks.Api.Application.MainDocument.Tool.Value = Autodesk.Navisworks.Api.Tool.None;
-                Autodesk.Navisworks.Api.Application.MainDocument.Tool.SetCustomToolPlugin(loadedPlugin);
+                NavisApplication.MainDocument.Tool.Value = Autodesk.Navisworks.Api.Tool.None;
+                NavisApplication.MainDocument.Tool.SetCustomToolPlugin(loadedPlugin);
 
                 EventHandler<FaceInferResult> handler = null;
                 handler = (s, result) =>
@@ -419,7 +422,7 @@ namespace NavisworksTransport.UI.WPF.Views
                     {
                         try
                         {
-                            Autodesk.Navisworks.Api.Application.MainDocument.Tool.Value = Autodesk.Navisworks.Api.Tool.Select;
+                            NavisApplication.MainDocument.Tool.Value = Autodesk.Navisworks.Api.Tool.Select;
                         }
                         catch { }
 
@@ -430,64 +433,59 @@ namespace NavisworksTransport.UI.WPF.Views
                             return;
                         }
 
-                        // 获取宿主 up 方向
-                        var doc = Autodesk.Navisworks.Api.Application.ActiveDocument;
+                        var doc = NavisApplication.ActiveDocument;
                         var worldUp = doc.CurrentViewpoint.Value.WorldUpVector;
-                        var hostUp = new System.Numerics.Vector3((float)worldUp.X, (float)worldUp.Y, (float)worldUp.Z);
-                        hostUp = System.Numerics.Vector3.Normalize(hostUp);
+                        var hostUp = new Vector3((float)worldUp.X, (float)worldUp.Y, (float)worldUp.Z);
+                        hostUp = Vector3.Normalize(hostUp);
                         var groundDir = -hostUp;
 
-                        var faceNormal = new System.Numerics.Vector3(
+                        var faceNormal = new Vector3(
                             (float)result.Normal.X, (float)result.Normal.Y, (float)result.Normal.Z);
-                        faceNormal = System.Numerics.Vector3.Normalize(faceNormal);
+                        faceNormal = Vector3.Normalize(faceNormal);
 
-                        float dot = System.Numerics.Vector3.Dot(faceNormal, groundDir);
+                        float dot = Vector3.Dot(faceNormal, groundDir);
 
-                        System.Numerics.Quaternion rotation;
+                        Quaternion rotation;
                         if (dot > 0.9999f)
                         {
-                            // 已经对齐
                             MessageBox.Show("选中面已朝向地面，无需旋转。", "贴地面", MessageBoxButton.OK, MessageBoxImage.Information);
                             return;
                         }
                         if (dot < -0.9999f)
                         {
-                            // 完全相反，绕任意垂直轴转 180°
                             var perp = Math.Abs(hostUp.X) < 0.9f
-                                ? System.Numerics.Vector3.Normalize(System.Numerics.Vector3.Cross(hostUp, new System.Numerics.Vector3(1, 0, 0)))
-                                : System.Numerics.Vector3.Normalize(System.Numerics.Vector3.Cross(hostUp, new System.Numerics.Vector3(0, 0, 1)));
-                            rotation = System.Numerics.Quaternion.CreateFromAxisAngle(perp, (float)Math.PI);
+                                ? Vector3.Normalize(Vector3.Cross(hostUp, new Vector3(1, 0, 0)))
+                                : Vector3.Normalize(Vector3.Cross(hostUp, new Vector3(0, 0, 1)));
+                            rotation = Quaternion.CreateFromAxisAngle(perp, (float)Math.PI);
                         }
                         else
                         {
-                            var axis = System.Numerics.Vector3.Normalize(System.Numerics.Vector3.Cross(faceNormal, groundDir));
+                            var axis = Vector3.Normalize(Vector3.Cross(faceNormal, groundDir));
                             float angle = (float)Math.Acos(dot);
-                            rotation = System.Numerics.Quaternion.CreateFromAxisAngle(axis, angle);
+                            rotation = Quaternion.CreateFromAxisAngle(axis, angle);
                         }
 
-                        // 分解为 ZYX Euler 角度
                         ExtractZyxEuler(rotation, out double xDeg, out double yDeg, out double zDeg);
 
                         RotationXDegrees = NormalizeDisplayDegrees(xDeg);
                         RotationYDegrees = NormalizeDisplayDegrees(yDeg);
                         RotationZDegrees = NormalizeDisplayDegrees(zDeg);
 
-                        LogManager.Info($"[贴地面] faceNormal=({faceNormal.X:F3},{faceNormal.Y:F3},{faceNormal.Z:F3}), " +
-                            $"groundDir=({groundDir.X:F3},{groundDir.Y:F3},{groundDir.Z:F3}), " +
-                            $"Euler=({RotationXDegrees:F2}, {RotationYDegrees:F2}, {RotationZDegrees:F2})");
+                        LogManager.Info($"[贴地面] {faceNormal} -> {groundDir}, Euler=({RotationXDegrees:F2},{RotationYDegrees:F2},{RotationZDegrees:F2})");
                     });
                 };
 
                 FaceInferToolPlugin.FaceInferred += handler;
+                LogManager.Debug("[贴地面] 取面工具已激活");
             }
             catch (Exception ex)
             {
-                LogManager.Error($"[贴地面] 激活取面工具失败: {ex.Message}", ex);
+                LogManager.Error($"[贴地面] 失败: {ex.Message}", ex);
                 MessageBox.Show($"激活取面工具失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
             }
         }
 
-        private static void ExtractZyxEuler(System.Numerics.Quaternion q, out double xDeg, out double yDeg, out double zDeg)
+        private static void ExtractZyxEuler(Quaternion q, out double xDeg, out double yDeg, out double zDeg)
         {
             // ZYX 顺序: Rz(z) * Ry(y) * Rx(x)
             double sinY = -2.0 * (q.X * q.Z - q.W * q.Y);