diff --git a/lib/index.js b/lib/index.js
index a9dac03..1add1b5 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -7702,4 +7702,4 @@ function newDrawApp(options) {
     return new JlDrawApp(options);
 }
 
-export { AbsorbableCircle, AbsorbableLine, AbsorbablePoint, AbsorbablePointParam, AnimationManager, AppConsts, AppDragEvent, AppInteractionPlugin, AppWsMsgBroker, BezierCurveEditPlugin, BoundsGraphic, ChildTransform, ClientEngine, CombinationKey, CommonMouseTool, ContextMenu, ContextMenuPlugin, DOWN, DashedLine, DefaultWhiteMenuOptions, DefaultWhiteStyleOptions, DragPlugin, DraggablePoint, DraggablePointParam, GlobalKeyboardHelper, GraphicAnimation, GraphicCopyPlugin, GraphicDataUpdateOperation, GraphicDrawAssistant, GraphicEditPlugin, GraphicIdGenerator, GraphicInteractionPlugin, GraphicRelation, GraphicRelationParam, GraphicStore, GraphicTransform, GraphicTransformEvent, GraphicTransformPlugin, IdGenerator, InteractionPluginBase, InteractionPluginType, JlGraphic, JlGraphicAppKeyboardPlugin, JlGraphicTemplate, JlOperation, KeyListener, LEFT, LineEditPlugin, OperationRecord, OtherInteractionPlugin, OutOfBound, PolylineEditPlugin, RIGHT, RelationManage, ScaleData, ShiftData, TransformPoints, UP, VectorGraphicUtil, VectorText, ViewportMovePlugin, WsMsgCli, addBezierWayPoint, addLineWayPoint, addPolygonSegmentingPoint, addWayPoint, angleOfIncludedAngle, angleToAxisx, assertBezierPoints, calculateBezierPoints, calculateDistanceFromPointToLine, calculateFootPointFromPointToLine, calculateIntersectionPointOfCircleAndLine, calculateIntersectionPointOfCircleAndPoint, calculateLineMidpoint, calculateLineSegmentingPoint, calculateMirrorPoint, calculateMirrorPointBasedOnAxis, calculateOneBezierPoints, circlePoint, circlePoint2, clearWayPoint, convertLineToPolygonPoints, convertRectangleToPolygonPoints, convertToBezierParams, debounce, deserializeTransformInto, distance, distance2, epsilon, floatEquals, getCenterOfTwoRectangle, getIntersectionPoint, getNormalVector, getParallelOfPolyline, getRectangleCenter, getWayLineIndex, getWaypointRangeIndex, isLineContainOther, isParallelLines, isPointOnLine, isZero, lineBox, lineLine, linePoint, linePolygon, movePointAlongNormal, newDrawApp, newGraphicApp, pointBox, pointPoint, pointPoint2, pointPolygon, polylineBox, polylinePoint, polylinePolygon, recursiveChildren, recursiveFindChild, recursiveFindParent, recursiveParents, removeBezierWayPoint, removeLineWayPoint, removeWayPoint, serializeTransform, splitLineEvenly, splitPolyline };
+export { AbsorbableCircle, AbsorbableLine, AbsorbablePoint, AbsorbablePointParam, AnimationManager, AppConsts, AppDragEvent, AppInteractionPlugin, AppWsMsgBroker, BezierCurveEditPlugin, BoundsGraphic, ChildTransform, ClientEngine, CombinationKey, CommonMouseTool, ContextMenu, ContextMenuPlugin, DOWN, DashedLine, DefaultWhiteMenuOptions, DefaultWhiteStyleOptions, DragPlugin, DraggablePoint, DraggablePointParam, GlobalKeyboardHelper, GraphicAnimation, GraphicCopyPlugin, GraphicDataUpdateOperation, GraphicDrawAssistant, GraphicEditPlugin, GraphicIdGenerator, GraphicInteractionPlugin, GraphicRelation, GraphicRelationParam, GraphicStore, GraphicTransform, GraphicTransformEvent, GraphicTransformPlugin, IdGenerator, InteractionPluginBase, InteractionPluginType, JlGraphic, JlGraphicAppKeyboardPlugin, JlGraphicTemplate, JlOperation, KeyListener, LEFT, LineEditPlugin, OperationRecord, OtherInteractionPlugin, OutOfBound, PolylineEditPlugin, RIGHT, RelationManage, ScaleData, ShiftData, TransformPoints, UP, Vector2, VectorGraphicUtil, VectorText, ViewportMovePlugin, WsMsgCli, addBezierWayPoint, addLineWayPoint, addPolygonSegmentingPoint, addWayPoint, angleOfIncludedAngle, angleToAxisx, assertBezierPoints, calculateBezierPoints, calculateDistanceFromPointToLine, calculateFootPointFromPointToLine, calculateIntersectionPointOfCircleAndLine, calculateIntersectionPointOfCircleAndPoint, calculateLineMidpoint, calculateLineSegmentingPoint, calculateMirrorPoint, calculateMirrorPointBasedOnAxis, calculateOneBezierPoints, circlePoint, circlePoint2, clearWayPoint, convertLineToPolygonPoints, convertRectangleToPolygonPoints, convertToBezierParams, debounce, deserializeTransformInto, distance, distance2, epsilon, floatEquals, getCenterOfTwoRectangle, getIntersectionPoint, getNormalVector, getParallelOfPolyline, getRectangleCenter, getWayLineIndex, getWaypointRangeIndex, isLineContainOther, isParallelLines, isPointOnLine, isZero, lineBox, lineLine, linePoint, linePolygon, movePointAlongNormal, newDrawApp, newGraphicApp, pointBox, pointPoint, pointPoint2, pointPolygon, polylineBox, polylinePoint, polylinePolygon, recursiveChildren, recursiveFindChild, recursiveFindParent, recursiveParents, removeBezierWayPoint, removeLineWayPoint, removeWayPoint, serializeTransform, splitLineEvenly, splitPolyline };
diff --git a/lib/math/Vector2.d.ts b/lib/math/Vector2.d.ts
index acfaedd..20bfffe 100644
--- a/lib/math/Vector2.d.ts
+++ b/lib/math/Vector2.d.ts
@@ -1,4 +1,4 @@
-export default class Vector2 {
+export declare class Vector2 {
     constructor(values?: [number, number]);
     static from(p: {
         x: number;
diff --git a/src/math/Vector2.ts b/src/math/Vector2.ts
index 1894d6f..265b00a 100644
--- a/src/math/Vector2.ts
+++ b/src/math/Vector2.ts
@@ -2,7 +2,7 @@
 
 import { epsilon } from './Constants';
 
-export default class Vector2 {
+export class Vector2 {
   constructor(values?: [number, number]) {
     if (values !== undefined) {
       this.xy = values;
diff --git a/src/utils/GraphicUtils.ts b/src/utils/GraphicUtils.ts
index f73549a..fe84a87 100644
--- a/src/utils/GraphicUtils.ts
+++ b/src/utils/GraphicUtils.ts
@@ -7,7 +7,7 @@ import {
   Rectangle,
 } from 'pixi.js';
 import { floatEquals, isZero } from '../math';
-import Vector2 from '../math/Vector2';
+import { Vector2 } from '../math/Vector2';
 
 /**
  * 递归父节点执行逻辑
@@ -747,13 +747,13 @@ export function getParallelOfPolyline(
       len = offset;
       baseUnitVec = points[i - 1]
         ? new Vector2([
-            p.x - points[i - 1].x,
-            p.y - points[i - 1].y,
-          ]).normalize()
+          p.x - points[i - 1].x,
+          p.y - points[i - 1].y,
+        ]).normalize()
         : new Vector2([
-            points[i + 1].x - p.x,
-            points[i + 1].y - p.y,
-          ]).normalize();
+          points[i + 1].x - p.x,
+          points[i + 1].y - p.y,
+        ]).normalize();
     } else {
       const vp = new Vector2([p.x - points[i - 1].x, p.y - points[i - 1].y]);
       const vn = new Vector2([points[i + 1].x - p.x, points[i + 1].y - p.y]);