diff --git a/.gitignore b/.gitignore
index e71f827043efaf37d1b52c53598bdb0b1942ea3d..f1bc78188b045f13fc80427f02bb1c6a940b549d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -404,4 +404,5 @@ healthchecksdb
 
 #vscode
 .ionide
-.vscode
\ No newline at end of file
+.vscode
+/src/IFoxCAD.Cad/Properties/launchSettings.json
diff --git a/src/IFoxCAD.Cad/ExtensionMethod/EditorEx.cs b/src/IFoxCAD.Cad/ExtensionMethod/EditorEx.cs
index 66e3ef78b6bcb86d1b4668993a7a2a270bedef05..e0c4628fc777364eb1e0bf0f39a9a84d9ccb423b 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/EditorEx.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/EditorEx.cs
@@ -56,9 +56,9 @@ public static SelectionSet SelectByLineWeight(this Editor editor, LineWeight lin
     }
 
 
-    public static PromptSelectionResult? SSGet(this Editor editor, string? mode = null, SelectionFilter? filter = null, string[]? messages = null, string[]? keywords = null)
+    public static PromptSelectionResult? SSGet(this Editor editor, PromptSelectionOptions? promptSelectionOptions = null, string? mode = null, SelectionFilter? filter = null, string[]? messages = null, string[]? keywords = null)
     {
-        var pso = new PromptSelectionOptions();
+        PromptSelectionOptions pso = promptSelectionOptions ?? new PromptSelectionOptions();
         PromptSelectionResult? ss = null;
         if (mode is not null)
         {
@@ -680,9 +680,50 @@ public static Matrix3d GetMatrix(this Editor editor, CoordinateSystemCode from,
 #endif
     }
 
-#endregion
+    /// <summary>
+    /// 将点从一个WCS坐标系转换到UCS坐标系
+    /// </summary>
+    /// <param name="pt">点</param>
+    /// <returns>返回转化后的坐标</returns>
+    public static Point3d WCS2UCS(this Point3d pt)
+    {
+        return pt.TransformBy(Env.Editor.CurrentUserCoordinateSystem.Inverse());
+    }
+
+    /// <summary>
+    /// 将点从一个UCS坐标系转换到WCS坐标系
+    /// </summary>
+    /// <param name="pt">点</param>
+    /// <returns>返回转化后的坐标</returns>
+    public static Point3d UCS2WCS(this Point3d pt)
+    {
+        return pt.TransformBy(Env.Editor.CurrentUserCoordinateSystem);
+    }
+    /// <summary>
+    /// 某点在块内坐标系统和世界或者用户坐标系统的转换
+    /// </summary>
+    /// <param name="pt">要变换的点</param>
+    /// <param name="btr">要变换的块</param>
+    /// <param name="from">源坐标系</param>
+    /// <param name="to">目标坐标系</param>
+    /// <returns></returns>
+    public static Point3d TransNested(this Point3d pt, List<BlockReference> btrList, CoordinateSystemCode from, CoordinateSystemCode to)
+    {
+        if (from == CoordinateSystemCode.Ucs) pt = pt.UCS2WCS();
+        if (from == CoordinateSystemCode.Dcs) btrList.Reverse();
+        if (from == CoordinateSystemCode.Dcs || to == CoordinateSystemCode.Dcs)
+        {
+            foreach (var btr in btrList)
+            {
+                Matrix3d geom = to == CoordinateSystemCode.Dcs ? btr.BlockTransform.Inverse() : btr.BlockTransform;
+                pt = pt.TransformBy(geom);
+            }
+        }
+        return to == CoordinateSystemCode.Ucs ? pt.WCS2UCS() : pt;
+    }
+    #endregion
 
-#region 缩放
+    #region 缩放
 
     /// <summary>
     /// 缩放窗口范围
diff --git a/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs b/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs
index fc0fbafebdb2cd4a0cebb775ca170be205af787c..acec0262fc2e66b641aa5dfc523b9b8e24715ab8 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs
@@ -23,7 +23,12 @@ public enum CoordinateSystemCode
     /// <summary>
     /// 图纸空间坐标系
     /// </summary>
-    PDcs
+    PDcs,
+
+    /// <summary>
+    /// 块空间坐标系
+    /// </summary>
+    Dcs
 }
 
 /// <summary>
diff --git a/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs b/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs
index 84b57f7d19dabd27ce64af2a8329fa176dec7526..2865e785de69e0986bf7e9f044dc7557e9cca0cd 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs
@@ -545,6 +545,29 @@ public static Vector3d Wcs2Dcs(this Vector3d vec, bool atPaperSpace)
             );
     }
 
+    /// <summary>
+    /// 某点在块内坐标系统和世界或者用户坐标系统的转换
+    /// </summary>
+    /// <param name="pt">要变换的点</param>
+    /// <param name="btr">要变换的块</param>
+    /// <param name="from">源坐标系</param>
+    /// <param name="to">目标坐标系</param>
+    /// <returns></returns>
+    public static Point3d TransNested(this Point3d pt, List<BlockReference> btrList, CoordinateSystemCode from, CoordinateSystemCode to)
+    {
+        if (from == CoordinateSystemCode.Ucs) pt = pt.Ucs2Wcs();
+        if (from == CoordinateSystemCode.Dcs) btrList.Reverse();
+        if (from == CoordinateSystemCode.Dcs || to == CoordinateSystemCode.Dcs)
+        {
+            foreach (var btr in btrList)
+            {
+                Matrix3d geom = to == CoordinateSystemCode.Dcs ? btr.BlockTransform.Inverse() : btr.BlockTransform;
+                pt = pt.TransformBy(geom);
+            }
+        }
+        return to == CoordinateSystemCode.Ucs ? pt.Wcs2Ucs() : pt;
+    }
+
     #endregion Ucs
 
 
diff --git a/src/IFoxCAD.Cad/Runtime/Env.cs b/src/IFoxCAD.Cad/Runtime/Env.cs
index 4b5beda3a5aa9c71c92b1bfea5cfdc735b50258b..b639c4a8bf88c42a8f52212c9cbef2b99899daae 100644
--- a/src/IFoxCAD.Cad/Runtime/Env.cs
+++ b/src/IFoxCAD.Cad/Runtime/Env.cs
@@ -419,4 +419,9 @@ public static void SetEnv(string var, string? value)
     /// </summary>
     /// <param name="message">要打印的对象</param>
     public static void Print(object message) => Editor.WriteMessage($"{message}\n");
+    /// <summary>
+    /// 新行
+    /// </summary>
+    /// <returns></returns>
+    public static string NewLine() => Environment.NewLine;
 }
diff --git a/tests/Test/testeditor.cs b/tests/Test/testeditor.cs
index 9c71a9a7a499202a17b3b9010ce3d7649a340ab4..d2cfb35888c0563087e07ee4863afca379f084b3 100644
--- a/tests/Test/testeditor.cs
+++ b/tests/Test/testeditor.cs
@@ -51,10 +51,27 @@ public void testzoomextent()
     [CommandMethod("testssget")]
     public void testssget()
     {
-        var ss = 
+        var ss =
 
         Env.Editor.SSGet(":S", messages: new string[2] { "get", "del" }, keywords: new string[2] { "A", "B" });
 
         Env.Print(ss);
     }
+    /// <summary>
+    /// 测试块中坐标和图纸坐标转换
+    /// </summary>
+    [CommandMethod("pointtest")]
+    public static void Testhot()
+    {
+        using var tr = new DBTrans();
+        Editor ed = Env.Editor;
+        PromptEntityResult BLK = ed.GetEntity("\n请选择一个图元：");
+        if (BLK.Status != PromptStatus.OK) return;
+        var blk = BLK.ObjectId.GetObject<BlockReference>();
+        List<BlockReference> blklist = new List<BlockReference>();
+        if (blk == null) return;
+        blklist.Add(blk);
+        Point3d p = new Point3d(4454, -1321, 0.0).TransNested(blklist, CoordinateSystemCode.Dcs, CoordinateSystemCode.Ucs);
+        ed.WriteMessage(p.ToString());
+    }
 }