diff --git a/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs b/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs
index 4056bc5eac600ab0ce9828e69f8e6eb04dcf8eb3..d5c15a366a0f1606b00162bb53215e40b075de9c 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs
@@ -1,4 +1,4 @@
-namespace IFoxCAD.Cad;
+namespace IFoxCAD.Cad;
 
 /// <summary>
 /// 实体类曲线扩展类
@@ -25,7 +25,7 @@ public static IEnumerable<Curve> GetSplitCurves(this Curve curve, IEnumerable<do
     {
         return
             curve
-            .GetSplitCurves(new DoubleCollection(pars.ToArray()))
+            .GetSplitCurves(new DoubleCollection(pars.OrderBy(x => x).ToArray()))
             .Cast<Curve>();
     }
 
@@ -39,7 +39,7 @@ public static IEnumerable<Curve> GetSplitCurves(this Curve curve, IEnumerable<Po
     {
         return
             curve
-            .GetSplitCurves(new Point3dCollection(points.ToArray()))
+            .GetSplitCurves(new Point3dCollection(points.OrderBy(pt => curve.GetParameterAtPoint(curve.GetClosestPointTo(pt, false))).ToArray()))
             .Cast<Curve>();
     }