diff --git a/src/CAD/IFox.CAD.Shared/ExtensionMethod/EditorEx.cs b/src/CAD/IFox.CAD.Shared/ExtensionMethod/EditorEx.cs
index 4d7915ac56d698af5b3e1d7c7e17e63c76686979..55b7dc727f1edeede223b1a57080e4a9e7f68475 100644
--- a/src/CAD/IFox.CAD.Shared/ExtensionMethod/EditorEx.cs
+++ b/src/CAD/IFox.CAD.Shared/ExtensionMethod/EditorEx.cs
@@ -1,3 +1,5 @@
+using System;
+
 namespace IFoxCAD.Cad;
 
 /// <summary>
@@ -98,7 +100,8 @@ public static PromptSelectionResult SSGet(this Editor editor,
             if (pso.MessageForRemoval is null)
                 pso.MessageForAdding = "选择对象";
             pso.MessageForAdding += $"[{string.Join(" / ", keywords.Keys.ToArray())}]";
-            pso.KeywordInput += (s, e) => {
+            pso.KeywordInput += (s, e) =>
+            {
                 if (keywords.TryGetValue(e.Input, out Action value))
                     value.Invoke();
             };
@@ -226,7 +229,8 @@ public static void SsgetAddKeys(this PromptSelectionOptions pso,
         // 从选择集命令中显示关键字
         pso.MessageForAdding = keyWords.GetDisplayString(true);
         // 关键字回调事件 ssget关键字
-        pso.KeywordInput += (sender, e) => {
+        pso.KeywordInput += (sender, e) =>
+        {
             dicActions[e.Input].Invoke();
         };
     }
@@ -915,7 +919,7 @@ public static void ZoomObject(this Editor ed, Entity ent, double offsetDist = 0.
         ed.ZoomWindow(ext.MinPoint, ext.MaxPoint, offsetDist);
     }
 
-#endregion
+    #endregion
 
     #region Get交互类
 
@@ -1160,4 +1164,263 @@ public static void PrepareForJig(this Editor ed, IEnumerable<Entity> ents)
     }
 
     #endregion
+
+
+    #region EditorDraw
+    /// <summary>
+    /// 像素长转CAD长
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="value"></param>
+    /// <returns></returns>
+    public static double PixelToLength(this Editor editor, double value)
+    {
+       var  point = new System.Windows.Point(1.0, 1.0);
+        Point3d point3d = editor.PointToWorld(point);
+        point = new(2.0, 1.0);
+        Point3d point3d2 = editor.PointToWorld(point);
+        return value * point3d.DistanceTo(point3d2);
+    }
+
+    /// <summary>
+    /// CAD长度转像素长度
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="value"></param>
+    /// <returns></returns>
+    public static double LengthToPixel(this Editor editor, double value)
+    {
+        var  point = new System.Windows.Point(1.0, 1.0);
+        Point3d point3d = editor.PointToWorld(point);
+        point = new System.Windows.Point(2.0, 1.0);
+        Point3d point3d2 = editor.PointToWorld(point);
+        return value / point3d.DistanceTo(point3d2);
+    }
+
+    /// <summary>
+    /// 画直线
+    /// </summary>
+    /// <param name="ed"></param>
+    /// <param name="ptwcs1"></param>
+    /// <param name="ptwcs2"></param>
+    /// <param name="color"></param>
+    /// <param name="HighLight"></param>
+    public static void DrawLine(this Editor ed, Point3d ptwcs1, Point3d ptwcs2, int color, bool HighLight)
+    {
+        Point3d point3d = ed.WcsToUcs(ptwcs1);
+        Point3d point3d2 = ed.WcsToUcs(ptwcs2);
+        ed.DrawVector(point3d, point3d2, color, HighLight);
+    }
+
+    /// <summary>
+    /// 画矩形
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs1"></param>
+    /// <param name="ptwcs2"></param>
+    /// <param name="color"></param>
+    /// <param name="HighLight"></param>
+    public static void DrawRectangle(this Editor editor, Point3d ptwcs1, Point3d ptwcs2, int color, bool HighLight)
+    {
+        Point3d point3d = new Point3d(ptwcs2.X, ptwcs1.Y, ptwcs1.Z);
+        Point3d point3d2 = new Point3d(ptwcs1.X, ptwcs2.Y, ptwcs1.Z);
+        Point3d point3d3 = editor.WcsToUcs(ptwcs1);
+        Point3d point3d4 = editor.WcsToUcs(ptwcs2);
+        point3d = editor.WcsToUcs(point3d);
+        point3d2 = editor.WcsToUcs(point3d2);
+        editor.DrawVector(point3d3, point3d, color, HighLight);
+        editor.DrawVector(point3d, point3d4, color, HighLight);
+        editor.DrawVector(point3d4, point3d2, color, HighLight);
+        editor.DrawVector(point3d2, point3d3, color, HighLight);
+    }
+    /// <summary>
+    /// 画十字叉
+    /// 使用方法 Editor.DrawCross(pt, 10.0, 1, false);
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <param name="pixelsize"></param>
+    /// <param name="color"></param>
+    /// <param name="HighLight"></param>
+    public static void DrawCross(this Editor editor, Point3d ptwcs, double pixelsize, int color, bool HighLight)
+    {
+        double num = editor.PixelToLength(pixelsize);
+        double num2 = num / 2.0 / Math.Sqrt(2.0);
+        Point3d point3d = new Point3d(ptwcs.X - num2, ptwcs.Y - num2, 0.0);
+        Point3d point3d2 = new Point3d(ptwcs.X + num2, ptwcs.Y + num2, 0.0);
+        Point3d point3d3 = new Point3d(ptwcs.X - num2, ptwcs.Y + num2, 0.0);
+        Point3d point3d4 = new Point3d(ptwcs.X + num2, ptwcs.Y - num2, 0.0);
+        point3d = editor.WcsToUcs(point3d);
+        point3d2 = editor.WcsToUcs(point3d2);
+        point3d3 = editor.WcsToUcs(point3d3);
+        point3d4 = editor.WcsToUcs(point3d4);
+        editor.DrawVector(point3d, point3d2, color, HighLight);
+        editor.DrawVector(point3d3, point3d4, color, HighLight);
+    }
+    /// <summary>
+    /// 画三角形
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <param name="pixelsize"></param>
+    /// <param name="color"></param>
+    /// <param name="HighLight"></param>
+    public static void DrawTriangle(this Editor editor, Point3d ptwcs, double pixelsize, int color, bool HighLight)
+    {
+        double num = editor.PixelToLength(pixelsize);
+        double num2 = num / 2.0 / Math.Sin(1.0471975511965976);
+        double num3 = num / 2.0 / Math.Tan(1.0471975511965976);
+        Point3d point3d = new Point3d(ptwcs.X, ptwcs.Y + num2, 0.0);
+        Point3d point3d2 = new Point3d(ptwcs.X - num / 2.0, ptwcs.Y - num3, 0.0);
+        Point3d point3d3 = new Point3d(ptwcs.X + num / 2.0, ptwcs.Y - num3, 0.0);
+        point3d = editor.WcsToUcs(point3d);
+        point3d2 = editor.WcsToUcs(point3d2);
+        point3d3 = editor.WcsToUcs(point3d3);
+        editor.DrawVector(point3d, point3d2, color, HighLight);
+        editor.DrawVector(point3d2, point3d3, color, HighLight);
+        editor.DrawVector(point3d3, point3d, color, HighLight);
+    }
+
+    /// <summary>
+    /// 画圆
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <param name="pixelsize"></param>
+    /// <param name="color"></param>
+    /// <param name="HighLight"></param>
+    public static void DrawCircle(this Editor editor, Point3d ptwcs, double pixelsize, int color, bool HighLight)
+    {
+        double num = editor.PixelToLength(pixelsize) / 2.0;
+        int num2 = 60;
+        double num3 = Math.PI * 2 / num2;
+        Vector3d vector3d = new Vector3d(num, 0.0, 0.0);
+        int num4 = 0;
+        int num5 = num2 - 1;
+        for (int i = num4; i <= num5; i++)
+        {
+            unchecked
+            {
+                Vector3d vector3d2 = vector3d.RotateBy((double)i * num3, Vector3d.ZAxis);
+                Vector3d vector3d3 = vector3d.RotateBy((double)(checked(i + 1)) * num3, Vector3d.ZAxis);
+                Point3d point3d = editor.WcsToUcs(ptwcs + vector3d2);
+                Point3d point3d2 = editor.WcsToUcs(ptwcs + vector3d3);
+                editor.DrawVector(point3d, point3d2, color, HighLight);
+            }
+        }
+    }
+    /// <summary>
+    /// 画箭头
+    /// 使用方法 editor.DrawArrow(pt, gradientDirection, 80.0, 7, false);
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <param name="angwcs"></param>
+    /// <param name="pixelsize"></param>
+    /// <param name="color"></param>
+    /// <param name="HighLight"></param>
+    public static void DrawArrow(this Editor editor, Point3d ptwcs, double angwcs, double pixelsize, int color, bool HighLight)
+    {
+        double num = editor.PixelToLength(pixelsize);
+        double num2 = 0.5 * num;
+        double num3 = 0.15 * num;
+        double num4 = 0.3 * num;
+        Vector3d vector3d = Vector3d.XAxis.RotateBy(angwcs, Vector3d.ZAxis);
+        Point3d point3d = ptwcs - num / 2.0 * vector3d;
+        Point3d point3d2 = point3d + num2 * vector3d;
+        Point3d point3d3 = point3d + num3 / 2.0 * vector3d.GetPerpendicularVector();
+        Point3d point3d4 = point3d - num3 / 2.0 * vector3d.GetPerpendicularVector();
+        Point3d ptwcs2 = point3d3 + num2 * vector3d;
+        Point3d ptwcs3 = point3d4 + num2 * vector3d;
+        Point3d ptwcs4 = point3d2 + num4 / 2.0 * vector3d.GetPerpendicularVector();
+        Point3d ptwcs5 = point3d2 - num4 / 2.0 * vector3d.GetPerpendicularVector();
+        Point3d ptwcs6 = point3d + num * vector3d;
+        editor.DrawVector(editor.WcsToUcs(point3d3), editor.WcsToUcs(point3d4), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(point3d3), editor.WcsToUcs(point3d4), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(point3d3), editor.WcsToUcs(ptwcs2), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(point3d4), editor.WcsToUcs(ptwcs3), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(ptwcs2), editor.WcsToUcs(ptwcs4), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(ptwcs3), editor.WcsToUcs(ptwcs5), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(ptwcs4), editor.WcsToUcs(ptwcs6), color, HighLight);
+        editor.DrawVector(editor.WcsToUcs(ptwcs5), editor.WcsToUcs(ptwcs6), color, HighLight);
+    }
+
+    #endregion
+
+    #region  坐标转换
+    /// <summary>
+    /// 用户坐标系转世界坐标系
+    /// </summary>
+    /// <param name="ptucs"></param>
+    /// <returns></returns>
+    public static Point3d UcsToWcs(this Editor editor, Point3d ptucs)
+    {
+        Matrix3d currentUserCoordinateSystem = editor.CurrentUserCoordinateSystem;
+        return ptucs.TransformBy(currentUserCoordinateSystem);
+    }
+
+    /// <summary>
+    /// 按给定角度将用户坐标系转换为世界坐标系
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="angucs"></param>
+    /// <returns></returns>
+    public static double UcsToWcs(this Editor editor, double angucs)
+    {
+        CoordinateSystem3d coordinateSystem3d = editor.CurrentUserCoordinateSystem.CoordinateSystem3d;
+        return coordinateSystem3d.Xaxis.RotateBy(angucs, coordinateSystem3d.Zaxis).AngleOnPlane(new Plane());
+    }
+
+    /// <summary>
+    /// 世界坐标系转用户坐标系
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <returns></returns>
+    public static Point3d WcsToUcs(this Editor editor, Point3d ptwcs)
+    {
+        return ptwcs.TransformBy(editor.CurrentUserCoordinateSystem.Inverse());
+    }
+    /// <summary>
+    /// 按给定弧度，世界坐标系转用户坐标系
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="angwcs"></param>
+    /// <returns></returns>
+    public static double WcsToUcs(this Editor editor, double angwcs)
+    {
+        Matrix3d currentUserCoordinateSystem = editor.CurrentUserCoordinateSystem;
+        return Vector3d.XAxis.RotateBy(angwcs, Vector3d.ZAxis).TransformBy(currentUserCoordinateSystem).AngleOnPlane(new Plane());
+    }
+
+    /// <summary>
+    /// 世界坐标系转显示坐标系
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <returns></returns>
+    public static Point3d WcsToDcs(this Editor editor, Point3d ptwcs)
+    {
+        ViewTableRecord currentView = editor.GetCurrentView();
+        Matrix3d matrix3d = Matrix3d.PlaneToWorld(currentView.ViewDirection);
+        matrix3d = Matrix3d.Displacement(currentView.Target - Point3d.Origin) * matrix3d;
+        matrix3d = (Matrix3d.Rotation(-currentView.ViewTwist, currentView.ViewDirection, currentView.Target) * matrix3d).Inverse();
+        currentView.Dispose();
+        return ptwcs.TransformBy(matrix3d);
+    }
+
+    /// <summary>
+    /// 世界坐标系转对象坐标系
+    /// </summary>
+    /// <param name="editor"></param>
+    /// <param name="ptwcs"></param>
+    /// <param name="ent"></param>
+    /// <returns></returns>
+    public static Point3d WcsToOcs(this Editor editor, Point3d ptwcs, Entity ent)
+    {
+        return ptwcs.TransformBy(ent.Ecs.Inverse());
+    }
+    #endregion
+
+
 }
\ No newline at end of file