diff --git a/src/CADShared/ExtensionMethod/Jig/JigEx.cs b/src/CADShared/ExtensionMethod/Jig/JigEx.cs
index 0e6b1af28cc60fb1721dd14b57fd274e795942ad..5a1995e1ae08e7e4e726c06bd6c972252fd73ab5 100644
--- a/src/CADShared/ExtensionMethod/Jig/JigEx.cs
+++ b/src/CADShared/ExtensionMethod/Jig/JigEx.cs
@@ -1,4 +1,4 @@
-#if a2024 || zcad
+#if a2024 || zcad
 using ArgumentNullException = IFoxCAD.Basal.ArgumentNullEx;
 #endif
 
@@ -111,7 +111,7 @@ protected override SamplerStatus Sampler(JigPrompts prompts)
         lastIsKw = pro.Status == PromptStatus.Keyword;
 
         // 上次鼠标点不同(一定要这句,不然图元刷新太快会看到奇怪的边线)
-        var mousePointWcs = pro.Value;
+        var mousePointWcs = LastIsKw ? MousePointWcsLast : pro.Value;
 
         // == 是比较类字段,但是最好转为哈希比较.
         // IsEqualTo 是方形判断(仅加法),但是cad是距离.