diff --git a/__test__/Geometry/arc.test.ts b/__test__/Geometry/arc.test.ts
index 516248bf1..d87d9f3a1 100644
--- a/__test__/Geometry/arc.test.ts
+++ b/__test__/Geometry/arc.test.ts
@@ -1,6 +1,7 @@
 import { Vector3 } from 'three';
 import { Arc } from '../../src/DatabaseServices/Arc';
 import { equaln, equalv3 } from '../../src/Geometry/GeUtils';
+import { Status } from '../../src/Common/Status';
 
 test("三点共线", () =>
 {
@@ -193,8 +194,7 @@ test('圆弧合并', () =>
     let arc2 = new Arc(new Vector3(), 1, 3, 4);
 
     //成了一个圆
-    expect(arc.Join(arc2)).toBeTruthy();
-    expect(equaln(arc.AllAngle, Math.PI * 2)).toBeTruthy();
+    expect(arc.Join(arc2)).toBe(Status.ConverToCircle);
 
     arc = new Arc(new Vector3(), 1, 0, 1).Reverse();
     arc2 = new Arc(new Vector3(), 1, 0.5, 0.2).Reverse();
@@ -287,7 +287,5 @@ test('容差相接', () =>
 
     arc2.StartAngle = 1;
     arc2.EndAngle = 0;
-    expect(arc.Join(arc2)).toBeTruthy();
-
-    expect(arc.AllAngle).toBe(Math.PI * 2);
+    expect(arc.Join(arc2)).toBe(Status.ConverToCircle);
 });
diff --git a/src/DatabaseServices/Line.ts b/src/DatabaseServices/Line.ts
index afcbe3344..ebf72dc83 100644
--- a/src/DatabaseServices/Line.ts
+++ b/src/DatabaseServices/Line.ts
@@ -242,7 +242,7 @@ export class Line extends Curve
                     this.Extend(param1);
                 if (param2 > 1)
                     this.Extend(param2);
-                return Status.False;
+                return Status.True;
             }
         }
         return Status.False;
diff --git a/src/GraphicsSystem/OffsetPolyline.ts b/src/GraphicsSystem/OffsetPolyline.ts
index 04f0279bd..e5dfe30b2 100644
--- a/src/GraphicsSystem/OffsetPolyline.ts
+++ b/src/GraphicsSystem/OffsetPolyline.ts
@@ -12,6 +12,7 @@ import { equaln, equalv2, equalv3 } from "../Geometry/GeUtils";
 import { EBox, SortEntityByBox } from "../Geometry/SortEntityByBox";
 import { IsPtsAllOutOrOnReg } from "./BoolOperateUtils";
 import { IntersectOption } from "./IntersectWith";
+import { Status } from "../Common/Status";
 
 interface offsetRes
 {
@@ -125,7 +126,7 @@ export class PolyOffsetUtil
                 if (c2b.min.y - 1e-6 > c1b.max.y)
                     continue;
 
-                if (c1.Join(c2))
+                if (c1.Join(c2) === Status.True)
                 {
                     this.m_RetCurves.splice(j, 1);
                     c1b = c1.BoundingBox;