diff --git a/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs b/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs
index 2c1a45a3a57bcbf88afbb63f19c10c229f21f43c..e35c44f2ae276f7a2a371bedd2e03700b69ee771 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/GeometryEx.cs
@@ -629,6 +629,17 @@ public static Point3d GetMidPointTo(this Point3d pt1, Point3d pt2)
     {
         return new Point3d((pt1.X + pt2.X) * 0.5, (pt1.Y + pt2.Y) * 0.5, (pt1.Z + pt2.Z) * 0.5);
     }
+    
+    /// <summary>
+    /// 获取两个点之间的中点
+    /// </summary>
+    /// <param name="pt1">第一点</param>
+    /// <param name="pt2">第二点</param>
+    /// <returns>返回两个点之间的中点</returns>
+    public static Point2d GetMidPointTo(this Point2d pt1, Point2d pt2)
+    {
+        return new Point2d((pt1.X + pt2.X) * 0.5, (pt1.Y + pt2.Y) * 0.5);
+    }
 
     /// <summary>
     /// 根据世界坐标计算用户坐标