diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index c3b330c2..9290e4f6 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -8,6 +8,7 @@ import { LINE_TYPE, POLYGON_TYPE } from '@/common/common'
 import Big from 'big.js'
 import { drawSkeletonRidgeRoof, drawSkeletonRidgeRoofFromBaseLines, verifyMoveBoundary } from '@/util/skeleton-utils'
 
+
 export const QPolygon = fabric.util.createClass(fabric.Polygon, {
   type: 'QPolygon',
   // lines: [],