diff --git a/api.esm.js b/api.esm.js
index 4aa067c..3c0d01d 100644
--- a/api.esm.js
+++ b/api.esm.js
@@ -1,4 +1,4 @@
-import { Vector3, LineDashedMaterial, Vector2, MeshBasicMaterial, LineBasicMaterial, DoubleSide, ShaderMaterial, Color, Matrix4, Box3, Object3D, BufferGeometry, Shape as Shape$1, ShapeGeometry, BufferAttribute, EllipseCurve, ExtrudeGeometry, Mesh, Plane as Plane$1, Line3, Line as Line$1, MathUtils, Geometry, Face3, Path, LineSegments, InstancedInterleavedBuffer, InterleavedBufferAttribute, CylinderBufferGeometry, Float32BufferAttribute, ShapeUtils, CatmullRomCurve3, BoxBufferGeometry, BoxGeometry } from 'three';
+import { Box3, BoxBufferGeometry, BoxGeometry, BufferAttribute, BufferGeometry, CatmullRomCurve3, Color, CylinderBufferGeometry, DoubleSide, EllipseCurve, ExtrudeGeometry, Face3, Float32BufferAttribute, Geometry, InstancedInterleavedBuffer, InterleavedBufferAttribute, Line as Line$1, Line3, LineBasicMaterial, LineDashedMaterial, LineSegments, MathUtils, Matrix4, Mesh, MeshBasicMaterial, Object3D, Path, Plane as Plane$1, ShaderMaterial, Shape as Shape$1, ShapeGeometry, ShapeUtils, Vector2, Vector3 } from 'three';
 import { Line2 } from 'three/examples/jsm/lines/Line2';
 import { LineGeometry } from 'three/examples/jsm/lines/LineGeometry';
 import { LineMaterial } from 'three/examples/jsm/lines/LineMaterial';
@@ -2824,21 +2824,38 @@ var BufferGeometryUtils;
     BufferGeometryUtils.MergeBufferAttributes = MergeBufferAttributes;
 })(BufferGeometryUtils || (BufferGeometryUtils = {}));
 
+let tempArc;
 class Shape2 extends Shape$1
 {
-    getPoints(divisions = 12)
+    getPoints(divisions = 12, optimizeArc = true)
     {
-        divisions = divisions || 12;
         let points = [], last;
         for (let i = 0, curves = this.curves; i < curves.length; i++) {
             let curve = curves[i];
+            let resolution = divisions;
             //@ts-ignore
-            let resolution = (curve && curve.isEllipseCurve) ? clamp(curve.getLength() / 20, divisions * 2, 60)
+            if (curve && curve.isEllipseCurve) {
+                if (optimizeArc) {
+                    if (!tempArc)
+                        tempArc = new Arc;
+                    tempArc.IsClockWise = curve.aClockwise;
+                    tempArc.StartAngle = curve.aStartAngle;
+                    tempArc.EndAngle = curve.aEndAngle;
+                    tempArc.Radius = Math.abs(curve.xRadius);
+                    //根据圆弧的角度,来确定绘制个数
+                    let count = Math.max(2, Math.abs(Math.ceil((tempArc.AllAngle) / Math.PI)) * divisions);
+                    resolution = clamp(Math.ceil(tempArc.Length / 5), count, 360);
+                }
+                else
+                    resolution = divisions * 2;
+            }
+            else {
                 //@ts-ignore
-                : (curve && (curve.isLineCurve || curve.isLineCurve3)) ? 1
+                resolution = (curve && (curve.isLineCurve || curve.isLineCurve3)) ? 1
                     //@ts-ignore
                     : (curve && curve.isSplineCurve) ? divisions * curve.points.length
                         : divisions;
+            }
             let pts = curve.getPoints(resolution);
             for (let j = 0; j < pts.length; j++) {
                 let point = pts[j];
@@ -20715,5 +20732,5 @@ function ProjectBoard(knifBoard, projectBoard)
 //用于翻转绘制出来的槽
 const OverturnMatrix = new Matrix4().makeBasis(YAxis, ZAxis, XAxis);
 
-export { Circle, ContourTreeNode, CurveTapeShape, DepthType, ExtrudeBuildConfig, ExtrudeGeometryBuilder, ExtrudeSolid, FastMeshGeometry, Groove, Polyline, TempPolyline };
+export { Circle, ContourTreeNode, CurveTapeShape, DepthType, ExtrudeBuildConfig, ExtrudeGeometryBuilder, ExtrudeSolid, FastMeshGeometry, Groove, Polyline, TempPolyline, Shape2 };
 //# sourceMappingURL=api.esm.js.map
diff --git a/package.json b/package.json
index 41e5015..ac9579c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "webcad_ue4_api",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "description": "",
     "main": "api.esm.js",
     "module": "api.esm.js",
diff --git a/types/ueapi.d.ts b/types/ueapi.d.ts
index 45a42c4..de4cab7 100644
--- a/types/ueapi.d.ts
+++ b/types/ueapi.d.ts
@@ -1,5 +1,6 @@
 export * from "./DatabaseServices/Entity/Circle";
 export * from "./DatabaseServices/Entity/Extrude";
 export * from "./DatabaseServices/Entity/Polyline";
+export * from "./DatabaseServices/Shape2";
 export * from "./Geometry/ExtrudeEdgeGeometry2";
-//# sourceMappingURL=ueapi.d.ts.map
\ No newline at end of file
+//# sourceMappingURL=ueapi.d.ts.map