diff --git a/Cad/TemplateDrawingService.cs b/Cad/TemplateDrawingService.cs
index 0970113..3c20a25 100644
--- a/Cad/TemplateDrawingService.cs
+++ b/Cad/TemplateDrawingService.cs
@@ -19,6 +19,16 @@ namespace CadParamPluging.Cad
 
         private static readonly Regex MTextFormatRegex = new Regex(@"\\[A-Za-z]+[^;]*;", RegexOptions.Compiled);
 
+        // 匹配MText中残留的格式代码片段（如 Xt31.278; 或 qj,tz; 等）
+        // 匹配模式：1-4个字母开头，后面可以是数字/点/逗号/字母的组合，最后以分号结尾
+        private static readonly Regex MTextResidualFormatRegex = new Regex(@"^[A-Za-z]{1,4}[\d.,A-Za-z]*;", RegexOptions.Compiled);
+
+        // 外框图层名称集合
+        private static readonly HashSet<string> OuterFrameLayerNames = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+        {
+            "图框", "边框", "外框", "FRAME", "BORDER", "粗实线"
+        };
+
         private static readonly Regex CaxaLayerRegex = new Regex(@"^CAXA\d$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly HashSet<string> DimensionLayerNames = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
@@ -186,9 +196,46 @@ namespace CadParamPluging.Cad
 
             s = s.Replace("{", string.Empty).Replace("}", string.Empty);
             s = MTextFormatRegex.Replace(s, string.Empty);
+
+            // 处理每行开头可能残留的格式代码片段（如 Xt31.278; 或 qj,tz;）
+            var lines = s.Split(new[] { '\n' }, StringSplitOptions.None);
+            for (var i = 0; i < lines.Length; i++)
+            {
+                lines[i] = CleanLineResidualFormat(lines[i]);
+            }
+            s = string.Join("\n", lines);
+
             return s;
         }
 
+        private static string CleanLineResidualFormat(string line)
+        {
+            if (string.IsNullOrEmpty(line))
+            {
+                return line;
+            }
+
+            // 循环清理行首的格式代码残留，直到没有匹配为止
+            var result = line;
+            while (true)
+            {
+                var trimmed = result.TrimStart();
+                var match = MTextResidualFormatRegex.Match(trimmed);
+                if (match.Success && match.Index == 0)
+                {
+                    // 移除匹配的格式代码
+                    var leadingSpaces = result.Length - result.TrimStart().Length;
+                    result = new string(' ', leadingSpaces) + trimmed.Substring(match.Length);
+                }
+                else
+                {
+                    break;
+                }
+            }
+
+            return result;
+        }
+
         public sealed class NoteApplyResult
         {
             public bool Applied { get; set; }
@@ -203,6 +250,7 @@ namespace CadParamPluging.Cad
             public int Score;
             public string Kind;
             public string PlainText;
+            public string OriginalContents;
             public Action<string> Apply;
         }
 
@@ -340,7 +388,7 @@ namespace CadParamPluging.Cad
             if (ent is MText mt)
             {
                 var plain = SimplifyMText(mt.Contents);
-                AddNoteCandidateIfMatch(plain, "MText", mt.ObjectId, tr, candidates);
+                AddNoteCandidateIfMatch(plain, "MText", mt.ObjectId, tr, candidates, mt.Contents);
                 return;
             }
 
@@ -391,7 +439,7 @@ namespace CadParamPluging.Cad
             }
         }
 
-        private static void AddNoteCandidateIfMatch(string plainText, string kind, ObjectId id, Transaction tr, List<NoteCandidate> candidates)
+        private static void AddNoteCandidateIfMatch(string plainText, string kind, ObjectId id, Transaction tr, List<NoteCandidate> candidates, string originalContents = null)
         {
             if (!IsLikelyNoteText(plainText))
             {
@@ -409,7 +457,8 @@ namespace CadParamPluging.Cad
                 Score = score,
                 Kind = kind,
                 PlainText = plainText,
-                Apply = rendered => ApplyNoteTextToObject(tr, id, kind, rendered)
+                OriginalContents = originalContents,
+                Apply = rendered => ApplyNoteTextToObject(tr, id, kind, rendered, originalContents)
             });
         }
 
@@ -481,7 +530,7 @@ namespace CadParamPluging.Cad
                 .Select(s => (s ?? string.Empty).Trim());
         }
 
-        private static void ApplyNoteTextToObject(Transaction tr, ObjectId id, string kind, string rendered)
+        private static void ApplyNoteTextToObject(Transaction tr, ObjectId id, string kind, string rendered, string originalContents = null)
         {
             if (tr == null || id.IsNull)
             {
@@ -494,7 +543,15 @@ namespace CadParamPluging.Cad
             var obj = tr.GetObject(id, OpenMode.ForWrite, false);
             if (obj is MText mt)
             {
-                mt.Contents = ToMTextContents(rendered);
+                // 如果有原始内容，在原始内容中直接替换占位符以保留格式
+                if (!string.IsNullOrEmpty(originalContents))
+                {
+                    mt.Contents = ReplaceStarsInOriginalContents(originalContents, rendered);
+                }
+                else
+                {
+                    mt.Contents = ToMTextContents(rendered);
+                }
                 return;
             }
 
@@ -510,6 +567,135 @@ namespace CadParamPluging.Cad
             }
         }
 
+        private static string ReplaceStarsInOriginalContents(string originalContents, string renderedPlainText)
+        {
+            if (string.IsNullOrEmpty(originalContents) || string.IsNullOrEmpty(renderedPlainText))
+            {
+                return ToMTextContents(renderedPlainText);
+            }
+
+            // 从SimplifyMText处理后的纯文本和渲染后的纯文本中提取*被替换成什么
+            var plainTemplate = SimplifyMText(originalContents);
+            
+            // 提取每个占位符被替换成的值
+            var replacements = ExtractPlaceholderReplacements(plainTemplate, renderedPlainText);
+            if (replacements.Count == 0)
+            {
+                return ToMTextContents(renderedPlainText);
+            }
+
+            // 在原始MText内容中直接替换*占位符
+            var result = new System.Text.StringBuilder();
+            var replacementIndex = 0;
+
+            for (var i = 0; i < originalContents.Length;)
+            {
+                var c = originalContents[i];
+
+                // 检查是否是占位符*
+                if (c == '*')
+                {
+                    // 计算连续的*数量
+                    var starCount = 0;
+                    var j = i;
+                    while (j < originalContents.Length && originalContents[j] == '*')
+                    {
+                        starCount++;
+                        j++;
+                    }
+
+                    if (starCount == 4)
+                    {
+                        // 保留****
+                        result.Append("****");
+                        i += 4;
+                    }
+                    else
+                    {
+                        // 替换每个*
+                        for (var k = 0; k < starCount; k++)
+                        {
+                            if (replacementIndex < replacements.Count)
+                            {
+                                result.Append(replacements[replacementIndex]);
+                                replacementIndex++;
+                            }
+                            else
+                            {
+                                result.Append('*');
+                            }
+                        }
+                        i += starCount;
+                    }
+                }
+                else
+                {
+                    result.Append(c);
+                    i++;
+                }
+            }
+
+            return result.ToString();
+        }
+
+        private static List<string> ExtractPlaceholderReplacements(string plainTemplate, string renderedText)
+        {
+            var replacements = new List<string>();
+            
+            // 将两个文本按相同方式处理
+            var template = (plainTemplate ?? string.Empty)
+                .Replace("\r\n", "\n")
+                .Replace("\r", "\n");
+            var rendered = (renderedText ?? string.Empty)
+                .Replace("\r\n", "\n")
+                .Replace("\r", "\n");
+
+            var ti = 0; // template index
+            var ri = 0; // rendered index
+
+            while (ti < template.Length && ri < rendered.Length)
+            {
+                var tc = template[ti];
+
+                if (tc == '*')
+                {
+                    // 检查是否是****
+                    var starCount = 0;
+                    var j = ti;
+                    while (j < template.Length && template[j] == '*')
+                    {
+                        starCount++;
+                        j++;
+                    }
+
+                    if (starCount == 4)
+                    {
+                        // ****保持不变，rendered中也应该有****
+                        ti += 4;
+                        ri += 4;
+                    }
+                    else
+                    {
+                        // 每个*对应rendered中的一个字符
+                        for (var k = 0; k < starCount && ri < rendered.Length; k++)
+                        {
+                            replacements.Add(rendered[ri].ToString());
+                            ti++;
+                            ri++;
+                        }
+                    }
+                }
+                else
+                {
+                    // 非*字符，两边应该相同，直接跳过
+                    ti++;
+                    ri++;
+                }
+            }
+
+            return replacements;
+        }
+
         private static string ToMTextContents(string plainText)
         {
             if (string.IsNullOrEmpty(plainText))
@@ -670,6 +856,7 @@ namespace CadParamPluging.Cad
             public int CaxaLayerErased { get; set; }
             public int DimensionLayerErased { get; set; }
             public int DimensionLayerKept { get; set; }
+            public int OuterFrameErased { get; set; }
             public Point3d OriginalCenter { get; set; }
             public Extents3d? OriginalExtents { get; set; }
         }
@@ -714,6 +901,9 @@ namespace CadParamPluging.Cad
             // 使用CAXA图层范围作为图形区域，用于判断右上角
             var graphicExtents = caxaExtents ?? layoutExtents;
 
+            // 先计算红色线框的范围
+            var redFrameExtents = ComputeRedFrameExtents(tr, allEntities);
+
             foreach (var ent in allEntities)
             {
                 if (ent.IsErased)
@@ -723,6 +913,18 @@ namespace CadParamPluging.Cad
 
                 var layerName = GetLayerName(tr, ent.LayerId);
 
+                // 删除红色外框线（红色的Line/Polyline，且在红色框的边界上）
+                if (IsOuterFrameEntity(ent, redFrameExtents, tr))
+                {
+                    var entForWrite = tr.GetObject(ent.ObjectId, OpenMode.ForWrite) as Entity;
+                    if (entForWrite != null)
+                    {
+                        entForWrite.Erase(true);
+                        result.OuterFrameErased++;
+                    }
+                    continue;
+                }
+
                 if (IsCaxaLayer(layerName))
                 {
                     var entForWrite = tr.GetObject(ent.ObjectId, OpenMode.ForWrite) as Entity;
@@ -755,6 +957,154 @@ namespace CadParamPluging.Cad
             return result;
         }
 
+        private static bool IsOuterFrameEntity(Entity ent, Extents3d? layoutExtents, Transaction tr = null)
+        {
+            if (ent == null || !layoutExtents.HasValue)
+            {
+                return false;
+            }
+
+            // 必须是Line或Polyline
+            if (!(ent is Line) && !(ent is Polyline))
+            {
+                return false;
+            }
+
+            // 检查颜色是否为红色（ColorIndex=1，或者通过图层颜色）
+            if (!IsRedColor(ent, tr))
+            {
+                return false;
+            }
+
+            // 检查是否位于最外围（实体的范围接近或等于整体布局范围）
+            try
+            {
+                var ext = ent.GeometricExtents;
+                var layout = layoutExtents.Value;
+
+                var layoutWidth = layout.MaxPoint.X - layout.MinPoint.X;
+                var layoutHeight = layout.MaxPoint.Y - layout.MinPoint.Y;
+
+                // 容差值（放宽到5%）
+                var tolerance = Math.Max(layoutWidth, layoutHeight) * 0.05;
+
+                // 检查Line是否位于布局边界上
+                if (ent is Line line)
+                {
+                    var startPt = line.StartPoint;
+                    var endPt = line.EndPoint;
+
+                    // 检查是否是水平线（上边或下边）
+                    var isHorizontal = Math.Abs(startPt.Y - endPt.Y) < tolerance;
+                    if (isHorizontal)
+                    {
+                        // 检查Y坐标是否在布局的上边界或下边界
+                        var isTopEdge = Math.Abs(startPt.Y - layout.MaxPoint.Y) < tolerance;
+                        var isBottomEdge = Math.Abs(startPt.Y - layout.MinPoint.Y) < tolerance;
+                        if (isTopEdge || isBottomEdge)
+                        {
+                            return true;
+                        }
+                    }
+
+                    // 检查是否是垂直线（左边或右边）
+                    var isVertical = Math.Abs(startPt.X - endPt.X) < tolerance;
+                    if (isVertical)
+                    {
+                        // 检查X坐标是否在布局的左边界或右边界
+                        var isLeftEdge = Math.Abs(startPt.X - layout.MinPoint.X) < tolerance;
+                        var isRightEdge = Math.Abs(startPt.X - layout.MaxPoint.X) < tolerance;
+                        if (isLeftEdge || isRightEdge)
+                        {
+                            return true;
+                        }
+                    }
+                }
+
+                // Polyline可能是完整的矩形外框
+                if (ent is Polyline poly)
+                {
+                    var entWidth = ext.MaxPoint.X - ext.MinPoint.X;
+                    var entHeight = ext.MaxPoint.Y - ext.MinPoint.Y;
+                    if (entWidth > layoutWidth * 0.90 && entHeight > layoutHeight * 0.90)
+                    {
+                        return true;
+                    }
+                }
+            }
+            catch
+            {
+                return false;
+            }
+
+            return false;
+        }
+
+        private static bool IsRedColor(Entity ent, Transaction tr)
+        {
+            if (ent == null)
+            {
+                return false;
+            }
+
+            // 检查实体自身颜色
+            var colorIndex = ent.ColorIndex;
+            
+            // ColorIndex=1 是红色
+            if (colorIndex == 1)
+            {
+                return true;
+            }
+
+            // ColorIndex=256 表示 ByLayer，需要检查图层颜色
+            if (colorIndex == 256 && tr != null)
+            {
+                try
+                {
+                    var layer = tr.GetObject(ent.LayerId, OpenMode.ForRead) as LayerTableRecord;
+                    if (layer != null && layer.Color.ColorIndex == 1)
+                    {
+                        return true;
+                    }
+                }
+                catch
+                {
+                    // 忽略
+                }
+            }
+
+            // 检查Color属性
+            try
+            {
+                var color = ent.Color;
+                if (color != null)
+                {
+                    // 红色的RGB大约是(255, 0, 0)或接近
+                    if (color.ColorIndex == 1)
+                    {
+                        return true;
+                    }
+                    if (color.ColorMethod == Autodesk.AutoCAD.Colors.ColorMethod.ByColor)
+                    {
+                        var r = color.Red;
+                        var g = color.Green;
+                        var b = color.Blue;
+                        // 红色：R高，G和B低
+                        if (r > 200 && g < 100 && b < 100)
+                        {
+                            return true;
+                        }
+                    }
+                }
+            }
+            catch
+            {
+                // 忽略
+            }
+
+            return false;
+        }
+
         private static string GetLayerName(Transaction tr, ObjectId layerId)
         {
             if (layerId.IsNull)
@@ -845,6 +1195,57 @@ namespace CadParamPluging.Cad
             return result;
         }
 
+        private static Extents3d? ComputeRedFrameExtents(Transaction tr, IEnumerable<Entity> entities)
+        {
+            Extents3d? result = null;
+
+            foreach (var ent in entities)
+            {
+                if (ent == null || ent.IsErased)
+                {
+                    continue;
+                }
+
+                // 只处理红色的Line或Polyline
+                if (!(ent is Line) && !(ent is Polyline))
+                {
+                    continue;
+                }
+
+                if (!IsRedColor(ent, tr))
+                {
+                    continue;
+                }
+
+                try
+                {
+                    var ext = ent.GeometricExtents;
+                    if (result == null)
+                    {
+                        result = ext;
+                    }
+                    else
+                    {
+                        result = new Extents3d(
+                            new Point3d(
+                                Math.Min(result.Value.MinPoint.X, ext.MinPoint.X),
+                                Math.Min(result.Value.MinPoint.Y, ext.MinPoint.Y),
+                                Math.Min(result.Value.MinPoint.Z, ext.MinPoint.Z)),
+                            new Point3d(
+                                Math.Max(result.Value.MaxPoint.X, ext.MaxPoint.X),
+                                Math.Max(result.Value.MaxPoint.Y, ext.MaxPoint.Y),
+                                Math.Max(result.Value.MaxPoint.Z, ext.MaxPoint.Z)));
+                    }
+                }
+                catch
+                {
+                    // 忽略
+                }
+            }
+
+            return result;
+        }
+
         private static Extents3d? ComputeCaxaLayerExtents(Transaction tr, IEnumerable<Entity> entities)
         {
             Extents3d? result = null;
diff --git a/UI/ParamDrawingPanel.cs b/UI/ParamDrawingPanel.cs
index cc03aa4..b813172 100644
--- a/UI/ParamDrawingPanel.cs
+++ b/UI/ParamDrawingPanel.cs
@@ -614,7 +614,7 @@ namespace CadParamPluging.UI
 
                     // 删除模板中原有的图纸图形（CAXA图层和尺寸标注，保留右上角）
                     var removeResult = TemplateDrawingService.RemoveTemplateOriginalDrawing(ctx);
-                    AppendLog($"已删除原有图形: CAXA图层={removeResult.CaxaLayerErased}, 标注={removeResult.DimensionLayerErased}, 保留右上角={removeResult.DimensionLayerKept}");
+                    AppendLog($"已删除原有图形: 红色外框={removeResult.OuterFrameErased}, CAXA图层={removeResult.CaxaLayerErased}, 标注={removeResult.DimensionLayerErased}, 保留右上角={removeResult.DimensionLayerKept}");
 
                     // 根据模板参数绘制半剖视图，居中放置于原图纸位置
                     HalfSectionDrawer.Draw(