diff --git a/Cad/RingMachinedRollingDrawer.cs b/Cad/RingMachinedRollingDrawer.cs
index 5bd900f..e61cbb6 100644
--- a/Cad/RingMachinedRollingDrawer.cs
+++ b/Cad/RingMachinedRollingDrawer.cs
@@ -266,24 +266,12 @@ namespace CadParamPluging.Cad
                 DrawPartContourHalf(ctx, ox, oy, H, scaledOuterDiaPrime, scaledInnerDiaPrime, scaledHeightPrime);
             }
 
-            // === 特征10: 标刻内容 HB5936-13 ===
+            // === 特征10: 轧制+车加工 特殊引线标注 (HB5936-13) ===
+            // 需满足: 车加工 + 轧制(本方法即为轧制) + 有内孔
             if (ctx.IsMachined && innerDia.HasValue && innerDia.Value > 0)
             {
-                var markingText = bag.GetString(KeyMarkingContent);
-                // 哪怕没有标刻内容，在"车加工-轧制-环形"中也常常需要显示默认标准
-                if (!string.IsNullOrWhiteSpace(markingText) || applyUnspecifiedFillet)
-                {
-                    // 修改：接触线应该是左侧边（即内孔边界的垂直线）
-                    var xTarget = ox + visualInnerR;
-                    var yTargetTop = oy + H;
-
-                    if (string.IsNullOrWhiteSpace(markingText))
-                    {
-                        markingText = "HB5936-13";
-                    }
-
-                    DrawMarkingLeaderToSide(ctx, xTarget, yTargetTop, markingText);
-                }
+                // 指向锻件内孔右上角
+                DrawSpecialInnerHoleLeader(ctx, ox, oy, H, visualInnerR);
             }
 
             // === 特征9: 硬度符号 (HB) === 
@@ -381,23 +369,24 @@ namespace CadParamPluging.Cad
             catch { }
         }
 
-        private static void DrawMarkingLeaderToSide(FeatureDrivenDrawer.DrawingContext ctx, double xTarget, double yTargetTop, string markingText)
+        private static void DrawSpecialInnerHoleLeader(FeatureDrivenDrawer.DrawingContext ctx, double ox, double oy, double height, double visualInnerR)
         {
             try
             {
-                // 箭头起点：内孔左侧边的顶部向下5mm处 (接触线是左侧边)
-                var p1 = new Point3d(xTarget, yTargetTop - 5.0, 0);
+                // 内孔右侧X坐标 (锻件)
+                double xInner = ox + visualInnerR;
 
-                // 转折点：向左上 (偏移角度随意，例如左10，上10)
-                var p2 = new Point3d(xTarget - 10, yTargetTop + 5, 0);
+                // 目标Y坐标：锻件内孔右上角向下偏移一点 (引线不应直指角点，而是指在直线上)
+                double yTarget = oy + height - 5.0;
 
-                // 终点：水平向左
-                // 长度根据文字适配
-                double textLen = (string.IsNullOrEmpty(markingText) ? 10 : markingText.Length) * 2.5; 
-                if (textLen < 20) textLen = 20;
-
-                var p3 = new Point3d(p2.X - textLen, p2.Y, 0);
+                // 箭头点 (指向内孔竖线)
+                var p1 = new Point3d(xInner, yTarget, 0);
+                // 转折点 (向左上)
+                var p2 = new Point3d(xInner - 12, yTarget + 12, 0);
+                // 终点 (水平向左, 长度约35适配文字宽度 "HB5936-13")
+                var p3 = new Point3d(p2.X - 35, p2.Y, 0);
 
+                // 使用 Leader 实体绘制带箭头的引线
                 var leader = new Leader();
                 leader.SetDatabaseDefaults();
                 leader.AppendVertex(p1);
@@ -405,14 +394,20 @@ namespace CadParamPluging.Cad
                 leader.AppendVertex(p3);
                 leader.HasArrowHead = true;
                 leader.ColorIndex = 7; // 白色
-                
+                leader.Layer = "0";
+
                 ctx.Btr.AppendEntity(leader);
                 ctx.Tr.AddNewlyCreatedDBObject(leader, true);
 
+                // 绘制文字
                 var text = new DBText();
-                text.TextString = markingText;
+                text.TextString = "HB5936-13";
                 text.Height = 3.5;
-                text.ColorIndex = 7;
+                text.ColorIndex = 7; // 白色
+                text.Layer = "0";
+                
+                // 文字位置：左对齐，基点为 p3 (线段最左端)
+                // 位于线段上方 (VerticalMode = TextBottom)
                 text.HorizontalMode = TextHorizontalMode.TextLeft;
                 text.VerticalMode = TextVerticalMode.TextBottom;
                 text.AlignmentPoint = new Point3d(p3.X, p3.Y + 1.0, 0);
@@ -421,7 +416,10 @@ namespace CadParamPluging.Cad
                 ctx.Btr.AppendEntity(text);
                 ctx.Tr.AddNewlyCreatedDBObject(text, true);
             }
-            catch { }
+            catch
+            {
+                // ignore
+            }
         }
 
         #region 私有辅助绘图方法