diff --git a/src/GraphicsSystem/OffsetPolyline.ts b/src/GraphicsSystem/OffsetPolyline.ts
index 6500b0e8f..a1e17c7bd 100644
--- a/src/GraphicsSystem/OffsetPolyline.ts
+++ b/src/GraphicsSystem/OffsetPolyline.ts
@@ -304,11 +304,9 @@ export class OffsetPolyline
                     let refP = this._Vertexs[curveResNext.index];
                     if (tPts.length > 0) //ipts = 1 or ipts = 2
                         tp = SelectNearP(iPts, refP);
-                    else //补单圆 或者尝试连接
+                    else //补圆弧 或者尝试连接
                     {
-                        let arc = this.CreateArc(refP, sp, ep);
-
-                        if (iPts.length > 0 && !this._ToolPath && this.IsSharpCorner(curveResNow, curveResNext, refP))
+                        if (iPts.length > 0 && !this._ToolPath && this.IsSharpCorner(curveResNow, curveResNext, refP))//非加工刀路 并且尖角化时
                         {
                             //设置新的连接点,并且备份旧点
                             let oldp: Vector3;
@@ -372,10 +370,10 @@ export class OffsetPolyline
                             if (onPre && onNext)
                                 tp = p;
                             else
-                                curveResNow.paddingCurve = [arc];
+                                curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)];//补圆弧
                         }
                         else
-                            curveResNow.paddingCurve = [arc];
+                            curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)];//补圆弧
 
                         this._TrimCircleContours.push(this._Circles[curveResNext.index]);
                     }