diff --git a/src/Core/Properties/CategoryAttributeManager.cs b/src/Core/Properties/CategoryAttributeManager.cs
index 95be22d..267bbea 100644
--- a/src/Core/Properties/CategoryAttributeManager.cs
+++ b/src/Core/Properties/CategoryAttributeManager.cs
@@ -1331,7 +1331,7 @@ namespace NavisworksTransport
             // 首先检查是否有物流属性
             if (CategoryAttributeManager.HasLogisticsAttributes(item))
             {
-                var elementType = CategoryAttributeManager.GetLogisticsElementType(item);
+                var categoryId = CategoryAttributeManager.GetCategoryId(item);
                 var isTraversable = CategoryAttributeManager.GetLogisticsPropertyValue(item, CategoryAttributeManager.LogisticsProperties.TRAVERSABLE);
                 
                 // 如果明确标记为不可通行，则为障碍物
@@ -1340,8 +1340,8 @@ namespace NavisworksTransport
                     return true;
                 }
                 
-                // 如果明确标记为障碍物类型，则为障碍物
-                if (elementType == CategoryAttributeManager.LogisticsElementType.障碍物)
+                // 使用类别定义检查是否为障碍物（支持自定义类别）
+                if (!CategoryAttributeManager.IsCategoryTraversable(categoryId))
                 {
                     return true;
                 }
@@ -1425,7 +1425,7 @@ namespace NavisworksTransport
             // 首先检查是否有物流属性
             if (CategoryAttributeManager.HasLogisticsAttributes(item))
             {
-                var elementType = CategoryAttributeManager.GetLogisticsElementType(item);
+                var categoryId = CategoryAttributeManager.GetCategoryId(item);
                 var isTraversable = CategoryAttributeManager.GetLogisticsPropertyValue(item, CategoryAttributeManager.LogisticsProperties.TRAVERSABLE);
                 
                 // 如果明确标记为可通行，则为通道
@@ -1434,11 +1434,8 @@ namespace NavisworksTransport
                     return true;
                 }
                 
-                // 特定的可通行类型
-                if (elementType == CategoryAttributeManager.LogisticsElementType.通道 ||
-                    elementType == CategoryAttributeManager.LogisticsElementType.门 ||
-                    elementType == CategoryAttributeManager.LogisticsElementType.电梯 ||
-                    elementType == CategoryAttributeManager.LogisticsElementType.楼梯)
+                // 使用类别定义检查是否可通行（支持自定义类别）
+                if (CategoryAttributeManager.IsCategoryTraversable(categoryId))
                 {
                     return true;
                 }
diff --git a/src/PathPlanning/ChannelBasedGridBuilder.cs b/src/PathPlanning/ChannelBasedGridBuilder.cs
index 0bba1b4..3d82c76 100644
--- a/src/PathPlanning/ChannelBasedGridBuilder.cs
+++ b/src/PathPlanning/ChannelBasedGridBuilder.cs
@@ -75,17 +75,17 @@ namespace NavisworksTransport.PathPlanning
 
             // 获取通道
             var channels = CategoryAttributeManager.GetLogisticsItemsByType(
-                CategoryAttributeManager.LogisticsElementType.通道);
+                "通道");
             channelItems.AddRange(channels);
 
             // 获取楼梯
             var stairs = CategoryAttributeManager.GetLogisticsItemsByType(
-                CategoryAttributeManager.LogisticsElementType.楼梯);
+                "楼梯");
             channelItems.AddRange(stairs);
 
             // 获取电梯
             var elevators = CategoryAttributeManager.GetLogisticsItemsByType(
-                CategoryAttributeManager.LogisticsElementType.电梯);
+                "电梯");
             channelItems.AddRange(elevators);
 
             if (!channelItems.Any())
diff --git a/src/PathPlanning/RailGeometryHelper.cs b/src/PathPlanning/RailGeometryHelper.cs
index b4fff76..171cbf2 100644
--- a/src/PathPlanning/RailGeometryHelper.cs
+++ b/src/PathPlanning/RailGeometryHelper.cs
@@ -417,7 +417,7 @@ namespace NavisworksTransport.PathPlanning
                 LogManager.Info("[空轨] 开始提取所有空轨模型的基准路径");
 
                 // 使用现成的辅助方法获取所有空轨模型
-                var railItems = CategoryAttributeManager.GetLogisticsItemsByType(CategoryAttributeManager.LogisticsElementType.空轨);
+                var railItems = CategoryAttributeManager.GetLogisticsItemsByType("空轨");
 
                 if (railItems == null || railItems.Count == 0)
                 {