From 0ec5989bd4e70b76d20c0932121344c57db3b027 Mon Sep 17 00:00:00 2001
From: tian <11429339@qq.com>
Date: Mon, 8 Sep 2025 12:49:29 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8A=E6=94=BE=E7=A2=B0=E6=92=9E=E7=9A=84CO?=
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---
 src/Core/Collision/ClashDetectiveIntegration.cs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Core/Collision/ClashDetectiveIntegration.cs b/src/Core/Collision/ClashDetectiveIntegration.cs
index b9061f7..a0a65a9 100644
--- a/src/Core/Collision/ClashDetectiveIntegration.cs
+++ b/src/Core/Collision/ClashDetectiveIntegration.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Text;
 using Autodesk.Navisworks.Api;
 using Autodesk.Navisworks.Api.Clash;
@@ -1737,10 +1738,21 @@ namespace NavisworksTransport
                 }
                 
                 // 清理引用，防止内存泄漏
+                if (_clashElement != null)
+                {
+                    try
+                    {
+                        Marshal.ReleaseComObject(_clashElement);
+                    }
+                    catch (Exception comEx)
+                    {
+                        LogManager.Warning($"释放Clash Element COM对象失败: {comEx.Message}");
+                    }
+                }
                 _clashElement = null;
                 _dynamicClashTest = null;
                 _documentClash = null;
-                _state = null;
+                _state = null; // 不释放，这是全局单例
                 
                 _isInitialized = false;