diff --git a/src/Core/PathPointRenderPlugin.cs b/src/Core/PathPointRenderPlugin.cs
index 7786918..c3cba31 100644
--- a/src/Core/PathPointRenderPlugin.cs
+++ b/src/Core/PathPointRenderPlugin.cs
@@ -113,7 +113,12 @@ namespace NavisworksTransport
         /// <summary>
         /// 切点样式（深红色）
         /// </summary>
-        TangentPoint
+        TangentPoint,
+
+        /// <summary>
+        /// 安全警告样式（红色）
+        /// </summary>
+        SafetyWarning
     }
 
     /// <summary>
@@ -1090,18 +1095,32 @@ namespace NavisworksTransport
                 else if (edge.SegmentType == PathSegmentType.Arc && edge.Trajectory != null)
                 {
                     // 圆弧段：检查Trajectory是否有效
+
+                    // 检查是否发生安全截断
+                    bool hasSafetyTruncation = edge.Trajectory.ActualRadius < edge.Trajectory.RequestedRadius;
+
+                    // 如果发生安全截断，使用安全警告样式
+                    Color arcLineColor = lineColor;
+                    double arcLineOpacity = lineOpacity;
+                    if (hasSafetyTruncation)
+                    {
+                        var warningStyle = GetRenderStyle(RenderStyleName.SafetyWarning);
+                        arcLineColor = warningStyle.Color;
+                        arcLineOpacity = warningStyle.Alpha;
+                    }
+
                     var arcMarker = new LineMarker
                     {
                         StartPoint = edge.Trajectory.Ts,
                         EndPoint = edge.Trajectory.Te,
-                        Color = lineColor,
+                        Color = arcLineColor,
                         Radius = GetLineRadius(),
                         SegmentType = PathSegmentType.Arc,
                         Trajectory = edge.Trajectory,
                         SampledPoints = edge.SampledPoints,
                         Height = heightInModelUnits, // 根据模式设置高度
                         Width = widthInModelUnits, // 根据模式设置宽度
-                        Opacity = lineOpacity // 根据模式设置透明度
+                        Opacity = arcLineOpacity // 根据模式设置透明度
                     };
                     visualization.PathLineMarkers.Add(arcMarker);
 
@@ -1349,6 +1368,9 @@ namespace NavisworksTransport
                 case RenderStyleName.TangentPoint:
                     return new RenderStyle(Color.FromByteRGB(244, 67, 54), 0.8); // Material Red切点，20%透明
 
+                case RenderStyleName.SafetyWarning:
+                    return new RenderStyle(Color.FromByteRGB(244, 67, 54), 0.85); // Material Red安全警告，15%透明
+
                 default:
                     return new RenderStyle(Color.White, 1.0); // 默认白色，完全不透明
             }