diff --git a/src/Core/Animation/PathAnimationManager.cs b/src/Core/Animation/PathAnimationManager.cs
index c6d30b0..5d9966e 100644
--- a/src/Core/Animation/PathAnimationManager.cs
+++ b/src/Core/Animation/PathAnimationManager.cs
@@ -5391,43 +5391,39 @@ namespace NavisworksTransport.Core.Animation
 
             try
             {
-                var doc = NavisApplication.ActiveDocument;
-                if (!RealObjectReferencePoseResolver.TryResolveFromModelItem(sourceObject, doc, out var referencePose))
-                {
-                    LogManager.Warning($"[真实物体参考姿态] {sourceObject.DisplayName} fragment 姿态解析失败");
-                    return false;
-                }
+                // 不再依赖 fragment 参考姿态（物体在模型里的原始摆放不代表物流 forward，
+                // fragment 在盒内部分几何时代表帧漂移）。
+                // 使用默认轴约定：forward=+X，up=宿主 up（YUp→+Y，ZUp→+Z）。
+                // 用户通过“调整物体”窗口手工指定最终朝向（所见即所得），无需 fragment。
+                var adapter = CoordinateSystemManager.Instance.CreateHostAdapter();
 
-                referenceRotation = referencePose.Rotation;
-                _realObjectReferenceRotation = referenceRotation;
-                _realObjectReferenceAxisX = referencePose.RawAxisX;
-                _realObjectReferenceAxisY = referencePose.RawAxisY;
-                _realObjectReferenceAxisZ = referencePose.RawAxisZ;
-                _realObjectReferenceHostWorldXAxisLocalAxis = referencePose.HostWorldXAxisLocalAxis;
-                _realObjectReferenceHostWorldYAxisLocalAxis = referencePose.HostWorldYAxisLocalAxis;
-                _realObjectReferenceHostWorldZAxisLocalAxis = referencePose.HostWorldZAxisLocalAxis;
-                _realObjectReferenceHostSemanticXAxisLocalAxis = referencePose.HostSemanticXAxisLocalAxis;
-                _realObjectReferenceHostSemanticYAxisLocalAxis = referencePose.HostSemanticYAxisLocalAxis;
-                _realObjectReferenceHostSemanticZAxisLocalAxis = referencePose.HostSemanticZAxisLocalAxis;
-                _realObjectReferenceHostUpLocalAxis = referencePose.HostUpLocalAxis;
+                referenceRotation = Quaternion.Identity;
+                _realObjectReferenceRotation = Quaternion.Identity;
+                _realObjectReferenceAxisX = Vector3.UnitX;
+                _realObjectReferenceAxisY = Vector3.UnitY;
+                _realObjectReferenceAxisZ = Vector3.UnitZ;
+
+                LocalAxisDirection hostUpLocal = adapter.HostType == CoordinateSystemType.YUp
+                    ? LocalAxisDirection.PositiveY
+                    : LocalAxisDirection.PositiveZ;
+
+                _realObjectReferenceHostUpLocalAxis = hostUpLocal;
+                _realObjectReferenceHostWorldXAxisLocalAxis = LocalAxisDirection.PositiveX;
+                _realObjectReferenceHostWorldYAxisLocalAxis = LocalAxisDirection.PositiveY;
+                _realObjectReferenceHostWorldZAxisLocalAxis = LocalAxisDirection.PositiveZ;
+                _realObjectReferenceHostSemanticXAxisLocalAxis = LocalAxisDirection.PositiveX;
+                _realObjectReferenceHostSemanticYAxisLocalAxis = hostUpLocal;
+                _realObjectReferenceHostSemanticZAxisLocalAxis = LocalAxisDirection.PositiveZ;
                 _hasRealObjectReferenceRotation = true;
 
                 LogManager.Info(
-                    $"[真实物体参考姿态] {sourceObject.DisplayName} 使用 fragment 代表姿态: " +
-                    $"RawX=({_realObjectReferenceAxisX.X:F4},{_realObjectReferenceAxisX.Y:F4},{_realObjectReferenceAxisX.Z:F4}), " +
-                    $"RawY=({_realObjectReferenceAxisY.X:F4},{_realObjectReferenceAxisY.Y:F4},{_realObjectReferenceAxisY.Z:F4}), " +
-                    $"RawZ=({_realObjectReferenceAxisZ.X:F4},{_realObjectReferenceAxisZ.Y:F4},{_realObjectReferenceAxisZ.Z:F4}), " +
-                    $"宿主世界X对应本地轴={referencePose.HostWorldXAxisLocalAxis}, 宿主世界Y对应本地轴={referencePose.HostWorldYAxisLocalAxis}, 宿主世界Z对应本地轴={referencePose.HostWorldZAxisLocalAxis}, " +
-                    $"宿主语义X=({referencePose.AxisX.X:F4},{referencePose.AxisX.Y:F4},{referencePose.AxisX.Z:F4}), " +
-                    $"宿主语义Y=({referencePose.AxisY.X:F4},{referencePose.AxisY.Y:F4},{referencePose.AxisY.Z:F4}), " +
-                    $"宿主语义Z=({referencePose.AxisZ.X:F4},{referencePose.AxisZ.Y:F4},{referencePose.AxisZ.Z:F4}), " +
-                    $"宿主语义X对应本地轴={referencePose.HostSemanticXAxisLocalAxis}, 宿主语义Y对应本地轴={referencePose.HostSemanticYAxisLocalAxis}, 宿主语义Z对应本地轴={referencePose.HostSemanticZAxisLocalAxis}, " +
-                    $"宿主Up对应本地轴={referencePose.HostUpLocalAxis}, fragment数量={referencePose.FragmentCount}, Fragment默认Up={referencePose.FragmentDefaultUpAxis}, 模型Up={referencePose.HostUpAxis}");
+                    $"[真实物体参考姿态] {sourceObject.DisplayName} 使用默认轴约定（不再依赖 fragment）: " +
+                    $"forward=+X, up={hostUpLocal}");
                 return true;
             }
             catch (Exception ex)
             {
-                LogManager.Warning($"[真实物体参考姿态] 从 fragment 提取代表姿态失败: {ex.Message}");
+                LogManager.Warning($"[真实物体参考姿态] 应用默认轴约定失败: {ex.Message}");
                 return false;
             }
         }