diff --git a/src/UI/WPF/ViewModels/AnimationControlViewModel.cs b/src/UI/WPF/ViewModels/AnimationControlViewModel.cs
index 0cfeb6f..fc8944f 100644
--- a/src/UI/WPF/ViewModels/AnimationControlViewModel.cs
+++ b/src/UI/WPF/ViewModels/AnimationControlViewModel.cs
@@ -1341,32 +1341,34 @@ namespace NavisworksTransport.UI.WPF.ViewModels
         /// <summary>
         /// 处理动画状态变化事件
         /// </summary>
-        private void OnAnimationStateChanged(object sender, NavisworksTransport.Core.Animation.AnimationState state)
+        private void OnAnimationStateChanged(object sender, Core.Animation.AnimationState state)
         {
             System.Windows.Application.Current.Dispatcher.BeginInvoke(new Action(() =>
             {
                 switch (state)
                 {
-                    case NavisworksTransport.Core.Animation.AnimationState.Playing:
+                    case Core.Animation.AnimationState.Playing:
                         CanStartAnimation = false;
                         CanPauseAnimation = true;
                         CanStopAnimation = true;
                         UpdateMainStatus("动画播放中");
                         UpdateMediaControlProperties(); // 更新媒体控制属性
                         break;
-                    case NavisworksTransport.Core.Animation.AnimationState.Paused:
+                    case Core.Animation.AnimationState.Paused:
                         CanStartAnimation = true;  // 暂停状态下可以继续
                         CanPauseAnimation = false;
                         CanStopAnimation = true;
                         UpdateMainStatus("动画已暂停");
                         UpdateMediaControlProperties(); // 更新媒体控制属性
                         break;
-                    case NavisworksTransport.Core.Animation.AnimationState.Finished:
+                    case Core.Animation.AnimationState.Finished:
                         CanStartAnimation = true;
                         CanPauseAnimation = false;
                         CanStopAnimation = false;
                         UpdateMainStatus("动画已完成");
                         UpdateMediaControlProperties(); // 更新媒体控制属性
+                        // 先清除所有碰撞高亮（包括预计算和ClashDetective）
+                        ModelHighlightHelper.ClearCollisionHighlights();
                         // 检查并高亮ClashDetective结果
                         CheckAndHighlightClashDetectiveResults();
                         break;
@@ -1376,6 +1378,8 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                         CanStopAnimation = false;
                         UpdateMainStatus("动画已停止");
                         UpdateMediaControlProperties(); // 更新媒体控制属性
+                        // 先清除所有碰撞高亮（包括预计算和ClashDetective）
+                        ModelHighlightHelper.ClearCollisionHighlights();
                         // 检查并高亮ClashDetective结果
                         CheckAndHighlightClashDetectiveResults();
                         break;