diff --git a/src/DatabaseServices/Contour.ts b/src/DatabaseServices/Contour.ts
index 1ed720e75..bdd85abaf 100644
--- a/src/DatabaseServices/Contour.ts
+++ b/src/DatabaseServices/Contour.ts
@@ -600,7 +600,7 @@ function fastEqualCurve(c1: Curve, c2: Curve, tolerance = 1e-3)
 
 
 //对于双多段线互相切割后的结果,快速判断曲线是否在另一条曲线内部
-//也许有一天这个中点算法需要改一下, 使用 src\Geometry\ExtrudeEdgeGeometry2.ts->CenterPoint 会比较稳妥
+//也许有一天这个中点算法需要改一下, 使用.MidPoint比较稳妥
 function fastCurveInCurve(sourceCu: Polyline | Circle, targetCu: Curve)
 {
     return sourceCu.PtInCurve(targetCu.GetPointAtParam(targetCu.EndParam * 0.5));
diff --git a/src/DatabaseServices/Entity/Curve.ts b/src/DatabaseServices/Entity/Curve.ts
index 748e52457..9b435f57c 100644
--- a/src/DatabaseServices/Entity/Curve.ts
+++ b/src/DatabaseServices/Entity/Curve.ts
@@ -187,15 +187,15 @@ export abstract class Curve extends Entity
 
     //------------------绘制相关------------------
     //重载
-    protected OnlyRenderType = true;
+    protected override OnlyRenderType = true;
 
     //样条线重载了这个,得到了更高的绘制精度
     protected GetDrawCount() { return 30; }
+
     /**
-    * 重载: 初始化绘制实体.
     * @param {RenderType} [renderType=RenderType.Wireframe]
     */
-    InitDrawObject(renderType: RenderType = RenderType.Wireframe): Object3D
+    override InitDrawObject(renderType: RenderType = RenderType.Wireframe): Object3D
     {
         let pts = this.Shape.getPoints(this.GetDrawCount());
         if (renderType === RenderType.WireframePrint)
@@ -214,7 +214,7 @@ export abstract class Curve extends Entity
      * @param {RenderType} type
      * @param {Object3D} obj
      */
-    UpdateDrawObject(type: RenderType, obj: Object3D)
+    override UpdateDrawObject(type: RenderType, obj: Object3D)
     {
         let pts = this.Shape.getPoints(this.GetDrawCount());
         let plObj = obj as TLine;
@@ -237,7 +237,7 @@ export abstract class Curve extends Entity
     /**
      * 重载:更新实体材质
      */
-    UpdateDrawObjectMaterial(type: RenderType, obj: Object3D, material?: Material)
+    override UpdateDrawObjectMaterial(type: RenderType, obj: Object3D, material?: Material)
     {
         if (type === RenderType.WireframePrint)
         {
@@ -250,7 +250,7 @@ export abstract class Curve extends Entity
         }
     }
 
-    UpdateJigMaterial(color = 8)
+    override UpdateJigMaterial(color = 8)
     {
         for (let [type, obj] of this._CacheDrawObject)
         {