diff --git a/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs b/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs
index fc0fbafebdb2cd4a0cebb775ca170be205af787c..56612c52b5b4932a6268e227aaf8141ce3a59a73 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/Enums.cs
@@ -1,4 +1,4 @@
-namespace IFoxCAD.Cad;
+namespace IFoxCAD.Cad;
 
 /// <summary>
 /// 坐标系类型枚举
@@ -87,7 +87,33 @@ public enum FontTTF
     Romans
 }
 
-
+public enum PtOnlineType
+{
+    /// <summary>
+    /// 直线上两点之间
+    /// </summary>
+    OnLineP12,
+    /// <summary>
+    /// 直线上1点之内
+    /// </summary>
+    OnLineP1N,
+    /// <summary>
+    /// 直线上1点之外
+    /// </summary>
+    OnLineP1W,
+    /// <summary>
+    /// 直线上2点之内
+    /// </summary>
+    OnLineP2N,
+    /// <summary>
+    /// 直线上2点之外
+    /// </summary>
+    OnLineP2W,
+    /// <summary>
+    /// 直线之外
+    /// </summary>
+    OutLineP12,
+}
 
 public static class EnumHelper
 {