diff --git a/src/Core/PathDataManager.cs b/src/Core/PathDataManager.cs
index a45b7f1..64528dd 100644
--- a/src/Core/PathDataManager.cs
+++ b/src/Core/PathDataManager.cs
@@ -47,9 +47,11 @@ namespace NavisworksTransport
         public string id { get; set; }
         public string name { get; set; }
         public string description { get; set; }
+        public string pathType { get; set; }
         public double totalLength { get; set; }
         public JsonVehicleLimits vehicleLimits { get; set; }
         public double gridSize { get; set; }
+        public double liftHeightMeters { get; set; }
         public string created { get; set; }
         public JsonPathPoint[] points { get; set; }
     }
@@ -266,6 +268,7 @@ namespace NavisworksTransport
                             id = route.Id,
                             name = route.Name,
                             description = route.Description ?? "",
+                            pathType = route.PathType.ToString(),
                             totalLength = Math.Round(route.TotalLength, exportSettings?.Precision ?? 6),
                             vehicleLimits = new
                             {
@@ -275,6 +278,7 @@ namespace NavisworksTransport
                                 safetyMargin = Math.Round(route.SafetyMargin, exportSettings?.Precision ?? 6)
                             },
                             gridSize = Math.Round(route.GridSize, exportSettings?.Precision ?? 6),
+                            liftHeightMeters = Math.Round(route.LiftHeightMeters, exportSettings?.Precision ?? 6),
                             created = route.CreatedTime.ToString("yyyy-MM-ddTHH:mm:ss"),
                             points = route.GetSortedPoints().Select(point => new
                             {
@@ -472,13 +476,33 @@ namespace NavisworksTransport
                                 Id = jsonRoute.id,
                                 Description = jsonRoute.description ?? "",
                                 CreatedTime = ParseJsonDateTime(jsonRoute.created),
-                                MaxVehicleLength = jsonRoute.vehicleLimits?.maxLength ?? 1.0,
-                                MaxVehicleWidth = jsonRoute.vehicleLimits?.maxWidth ?? 1.0,
-                                MaxVehicleHeight = jsonRoute.vehicleLimits?.maxHeight ?? 2.0,
-                                SafetyMargin = jsonRoute.vehicleLimits?.safetyMargin ?? 0.25,
-                                GridSize = jsonRoute.gridSize > 0 ? jsonRoute.gridSize : 0.5
+                                MaxVehicleLength = jsonRoute.vehicleLimits?.maxLength ?? 0,
+                                MaxVehicleWidth = jsonRoute.vehicleLimits?.maxWidth ?? 0,
+                                MaxVehicleHeight = jsonRoute.vehicleLimits?.maxHeight ?? 0,
+                                SafetyMargin = jsonRoute.vehicleLimits?.safetyMargin ?? 0,
+                                GridSize = jsonRoute.gridSize,
+                                LiftHeightMeters = jsonRoute.liftHeightMeters
                             };
 
+                            // 🔥 解析路径类型（关键字段，不输则报错）
+                            if (!string.IsNullOrEmpty(jsonRoute.pathType))
+                            {
+                                if (Enum.TryParse<PathType>(jsonRoute.pathType, out var pathType))
+                                {
+                                    route.PathType = pathType;
+                                }
+                                else
+                                {
+                                    LogManager.Error($"无法解析路径类型: {jsonRoute.pathType}，路径: {jsonRoute.name}");
+                                    continue;
+                                }
+                            }
+                            else
+                            {
+                                LogManager.Error($"路径类型缺失，路径: {jsonRoute.name}");
+                                continue;
+                            }
+
                             // 解析路径点
                             var points = new List<PathPoint>();
                             foreach (var jsonPoint in jsonRoute.points)
@@ -963,12 +987,14 @@ namespace NavisworksTransport
             routeElement.SetAttribute("id", route.Id);
             routeElement.SetAttribute("name", route.Name);
             routeElement.SetAttribute("description", route.Description ?? "");
+            routeElement.SetAttribute("pathType", route.PathType.ToString());
             routeElement.SetAttribute("totalLength", route.TotalLength.ToString("F3"));
             routeElement.SetAttribute("maxVehicleLength", route.MaxVehicleLength.ToString("F3"));
             routeElement.SetAttribute("maxVehicleWidth", route.MaxVehicleWidth.ToString("F3"));
             routeElement.SetAttribute("maxVehicleHeight", route.MaxVehicleHeight.ToString("F3"));
             routeElement.SetAttribute("safetyMargin", route.SafetyMargin.ToString("F3"));
             routeElement.SetAttribute("gridSize", route.GridSize.ToString("F3"));
+            routeElement.SetAttribute("liftHeightMeters", route.LiftHeightMeters.ToString("F3"));
             routeElement.SetAttribute("created", route.CreatedTime.ToString("yyyy-MM-ddTHH:mm:ss"));
 
             // 添加路径点
@@ -1066,16 +1092,32 @@ namespace NavisworksTransport
         {
             try
             {
+                // 🔥 路径类型是必需字段
+                var pathTypeStr = routeNode.Attributes?["pathType"]?.Value;
+                if (string.IsNullOrEmpty(pathTypeStr))
+                {
+                    LogManager.Error("XML导入失败：路径类型(pathType)属性缺失");
+                    return null;
+                }
+
+                if (!Enum.TryParse<PathType>(pathTypeStr, out var pathType))
+                {
+                    LogManager.Error($"XML导入失败：无法解析路径类型 '{pathTypeStr}'");
+                    return null;
+                }
+
                 var route = new PathRoute
                 {
                     Id = routeNode.Attributes?["id"]?.Value ?? Guid.NewGuid().ToString(),
                     Name = routeNode.Attributes?["name"]?.Value ?? "导入路径",
                     Description = routeNode.Attributes?["description"]?.Value ?? "",
-                    MaxVehicleLength = double.TryParse(routeNode.Attributes?["maxVehicleLength"]?.Value, out double maxLength) ? maxLength : 1.0,
-                    MaxVehicleWidth = double.TryParse(routeNode.Attributes?["maxVehicleWidth"]?.Value, out double maxWidth) ? maxWidth : 1.0,
-                    MaxVehicleHeight = double.TryParse(routeNode.Attributes?["maxVehicleHeight"]?.Value, out double maxHeight) ? maxHeight : 2.0,
-                    SafetyMargin = double.TryParse(routeNode.Attributes?["safetyMargin"]?.Value, out double safetyMargin) ? safetyMargin : 0.5,
-                    GridSize = double.TryParse(routeNode.Attributes?["gridSize"]?.Value, out double gridSize) ? gridSize : 0.5
+                    PathType = pathType,
+                    MaxVehicleLength = double.TryParse(routeNode.Attributes?["maxVehicleLength"]?.Value, out double maxLength) ? maxLength : 0,
+                    MaxVehicleWidth = double.TryParse(routeNode.Attributes?["maxVehicleWidth"]?.Value, out double maxWidth) ? maxWidth : 0,
+                    MaxVehicleHeight = double.TryParse(routeNode.Attributes?["maxVehicleHeight"]?.Value, out double maxHeight) ? maxHeight : 0,
+                    SafetyMargin = double.TryParse(routeNode.Attributes?["safetyMargin"]?.Value, out double safetyMargin) ? safetyMargin : 0,
+                    GridSize = double.TryParse(routeNode.Attributes?["gridSize"]?.Value, out double gridSize) ? gridSize : 0,
+                    LiftHeightMeters = double.TryParse(routeNode.Attributes?["liftHeightMeters"]?.Value, out double liftHeight) ? liftHeight : 0
                 };
 
                 // 解析创建时间