添加特性保证实体能够正确的撤销

src/DatabaseServices/Polyline.ts

@@ -99,6 +99,7 @@ export class Polyline extends Entity
     }
     MoveStretchPoints(indexList: Array<number>, vec: Vector3)
     {
+        this.WriteAllObjectRecord();
         let moveVc = new Vector2(vec.x, vec.y);
         if (indexList[0] % 2 === 0)
             this.m_LineData[indexList[0] / 2].pt = this.m_LineData[indexList[0] / 2].pt.add(moveVc);