diff --git a/__test__/Polyline/offset.test.ts b/__test__/Polyline/offset.test.ts
index c5a72a53c..cf1046013 100644
--- a/__test__/Polyline/offset.test.ts
+++ b/__test__/Polyline/offset.test.ts
@@ -10,7 +10,8 @@ function loadFile(data)
     let file = new CADFile();
     file.Data = data;
     let cus: Curve[] = [];
-    for (let i = 0; i < file.Data.length; i++)
+    let count = file.Read();
+    for (let i = 0; i < count; i++)
     {
         cus.push(file.ReadObject(undefined) as Curve);
     }
@@ -57,8 +58,8 @@ test('IKKGK圆与直线补圆弧', () =>
 
 test('多段线偏移测试1', () =>
 {
-    let data = [["Polyline", 1, 1, 3, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [6.059716713881022, 3.983456090651555], 1.1217395195062214, [6.383002832861191, 4.064022662889515], 0, [4.929178470254959, 8.399433427762037], 1.2642365052895204, [5.750708215297452, 4.050991501416427], 0.7171789779484218, true]];
-
+    let data =
+        [1, ["Polyline", 1, 1, 3, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [6.059716713881022, 3.983456090651555], 1.1217395195062214, [6.383002832861191, 4.064022662889515], 0, [4.929178470254959, 8.399433427762037], 1.2642365052895204, [5.750708215297452, 4.050991501416427], 0.7171789779484218, true]]
     let cus = loadFile(data);
     for (let i = 0; i < 10; i += 0.01)
     {
@@ -75,7 +76,8 @@ test('多段线偏移测试1', () =>
 })
 test('多段线偏移测试2', () =>
 {
-    let data = [["Polyline", 1, 1, 734, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [8.176442643449754, 4.003694129881114], 0.6482011490054378, [8.554554536583165, 4.090460859042256], 0, [7.7292787370841225, 8.733182129315965], 0, [7.8227800907745895, 4.037582052934876], 1.223388515290821, true]];
+    let data =
+        [1, ["Polyline", 1, 1, 734, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [8.176442643449754, 4.003694129881114], 0.6482011490054378, [8.554554536583165, 4.090460859042256], 0, [7.7292787370841225, 8.733182129315965], 0, [7.8227800907745895, 4.037582052934876], 1.223388515290821, true]]
 
     let cus = loadFile(data);
     expect(cus[0].GetOffsetCurves(-0.1799).length).toBe(2);
@@ -99,7 +101,8 @@ test('多段线偏移测试2', () =>
 })
 test('多段线偏移测试3', () =>
 {
-    let data = [["Polyline", 1, 1, 1172, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [12.52535684411379, 4.512623511896158], 0.39558516940595195, [13.121416971132648, 4.487590129452889], 0, [12.414545456418505, 8.796498405316765], 0, [12.015990240675425, 8.743859037199755], 0, [12.015990240675425, 4.4951100391838885], 0.8508932598252141, true]];
+    let data =
+        [1, ["Polyline", 1, 1, 1172, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [12.52535684411379, 4.512623511896158], 0.39558516940595195, [13.121416971132648, 4.487590129452889], 0, [12.414545456418505, 8.796498405316765], 0, [12.015990240675425, 8.743859037199755], 0, [12.015990240675425, 4.4951100391838885], 0.8508932598252141, true]]
 
     let cus = loadFile(data);
     for (let i = 0; i < 10; i += 1)
diff --git a/src/Add-on/testEntity/TestCurve.ts b/src/Add-on/testEntity/TestCurve.ts
index c698d61c4..798af7124 100644
--- a/src/Add-on/testEntity/TestCurve.ts
+++ b/src/Add-on/testEntity/TestCurve.ts
@@ -1,12 +1,12 @@
 import { Vector3 } from "three";
 import { app } from "../../ApplicationServices/Application";
+import { arrayLast, arrayRemoveIf, arraySortByNumber } from "../../Common/ArrayExt";
 import { Circle } from "../../DatabaseServices/Circle";
 import { Contour } from "../../DatabaseServices/Contour";
 import { Curve } from "../../DatabaseServices/Curve";
 import { Polyline } from "../../DatabaseServices/Polyline";
 import { Command } from "../../Editor/CommandMachine";
 import { PromptStatus } from "../../Editor/PromptResult";
-import { arraySortByNumber, arrayLast, arrayRemoveIf } from "../../Common/ArrayExt";
 import { equaln } from "../../Geometry/GeUtils";
 import { IsPtsAllOutOrOnReg } from "../../GraphicsSystem/BoolOperateUtils";
 
diff --git a/src/GraphicsSystem/OffestPolyline.ts b/src/GraphicsSystem/OffestPolyline.ts
index 1bbd640a6..ca8740d92 100644
--- a/src/GraphicsSystem/OffestPolyline.ts
+++ b/src/GraphicsSystem/OffestPolyline.ts
@@ -12,7 +12,6 @@ import { equal, equaln } from "../Geometry/GeUtils";
 import { EBox, SortEntityByBox } from "../Geometry/SortEntityByBox";
 import { IsPtsAllOutOrOnReg } from "./BoolOperateUtils";
 import { IntersectOption } from "./IntersectWith";
-import { testContours } from "../Add-on/testEntity/TestCurve";
 
 interface offestRes
 {
@@ -53,7 +52,7 @@ export class PolyOffestUtil
         // console.time("join")
         this.TrimAndBuildContour(offres);
         // console.timeEnd("join")
-        testContours(this.m_Contours);
+        // testContours(this.m_Contours);
         //裁剪
         let { boxCurves, outputCus } = this.trimByContours(this.m_RetCurves);
         // // 优化裁剪后的曲线
@@ -64,6 +63,9 @@ export class PolyOffestUtil
         // // 如果源线段闭合只保留闭合的部分
         // if (this.m_Polyline.IsClose)
         //     return this.m_RetCurves.filter(c => c.IsClose);
+
+        this.m_Contours.forEach(c => { c.Outline.ColorIndex = 2 });
+        this.m_RetCurves.push(...this.m_Contours.map(c => c.Outline))
         return this.m_RetCurves;
     }