diff --git a/src/DatabaseServices/Spline.ts b/src/DatabaseServices/Spline.ts
index cf45d0561..54fefa172 100644
--- a/src/DatabaseServices/Spline.ts
+++ b/src/DatabaseServices/Spline.ts
@@ -35,14 +35,14 @@ export class Spline extends Curve
     {
         return this._PointList;
     }
-    set Points(v: Vector3[])
+    set Points(pts: Vector3[])
     {
-        if (v.length < 2) return;
+        if (pts.length < 2) return;
         this.WriteAllObjectRecord();
         let ocsInv = this.OCSInv;
-        this._PointList = v.map(p => p.clone().applyMatrix4(ocsInv));
+        this._PointList = pts.map(p => p.clone().applyMatrix4(ocsInv));
 
-        if (v.length > 2 && equalv3(this._PointList[0], arrayLast(this._PointList), 1e-3))
+        if (pts.length > 2 && equalv3(this._PointList[0], arrayLast(this._PointList), 1e-3))
         {
             this._PointList.pop();
             this._ClosedMark = true;
@@ -113,7 +113,7 @@ export class Spline extends Curve
 
     GetGripPoints()
     {
-        return this._PointList.map(p => p.clone().applyMatrix4(this.OCS));
+        return this._PointList.map(p => p.clone().applyMatrix4(this.OCSNoClone));
     }
     GetStretchPoints()
     {
@@ -121,7 +121,7 @@ export class Spline extends Curve
     }
     MoveGripPoints(indexList: Array<number>, vec: Vector3)
     {
-        vec = vec.clone().applyMatrix4(this.OCSInv).setZ(0);
+        vec = vec.clone().applyMatrix4(this.OCSInv.setPosition(0, 0, 0)).setZ(0);
         this.WriteAllObjectRecord();
         for (let index of indexList)
             this._PointList[index].add(vec);
@@ -129,7 +129,7 @@ export class Spline extends Curve
     }
     MoveStretchPoints(indexList: Array<number>, vec: Vector3)
     {
-        vec = vec.clone().applyMatrix4(this.OCSInv).setZ(0);
+        vec = vec.clone().applyMatrix4(this.OCSInv.setPosition(0, 0, 0)).setZ(0);
         this.WriteAllObjectRecord();
         for (let index of indexList)
             this._PointList[index].add(vec);