diff --git a/src/graphics/signal/LampMainBody.ts b/src/graphics/signal/LampMainBody.ts
index ecebe8e..ca96197 100644
--- a/src/graphics/signal/LampMainBody.ts
+++ b/src/graphics/signal/LampMainBody.ts
@@ -1,6 +1,5 @@
 import { Graphics, Point } from 'pixi.js';
 import { calculateMirrorPoint, GraphicAnimation, JlGraphic } from 'jl-graphic';
-import { Lamp } from './Lamp';
 import { ISignalState } from './Signal';
 
 export enum LampEnum {