diff --git a/src/graphics/section/Section.ts b/src/graphics/section/Section.ts
index 19a081e..f540f58 100644
--- a/src/graphics/section/Section.ts
+++ b/src/graphics/section/Section.ts
@@ -72,6 +72,7 @@ export interface ISectionState extends GraphicState {
 
 export const SectionConsts = {
   lineColor: '#5578b6',
+  occupiedColor: '#f00',
   lineWidth: 5,
 };
 
@@ -112,7 +113,9 @@ export class Section extends JlGraphic implements ILineGraphic {
       this.lineGraphic.points = this.datas.points;
       this.lineGraphic.lineStyle(
         SectionConsts.lineWidth,
-        SectionConsts.lineColor
+        this.states.occupied
+          ? SectionConsts.occupiedColor
+          : SectionConsts.lineColor
       );
       this.lineGraphic.paint();
     }