fix

src/component/HomePage/ExportModel.vue

@@ -884,17 +884,17 @@ export default defineComponent({
 						polyLineBtn.on('mousedown',()=>{
 							canvas.skipTargetFind = true
 							let points = currentPatterning.points
-							currentPatterning.points.pop()
-							currentPatterning.points.pop()
-							// canvas.remove(currentPatterning)
-							// let polyline = new fabric.Polyline(points, {
-							// 	fill: 'transparent',
-							// 	stroke: canvasPencilColor.value,
-							// 	strokeWidth:canvasPencilWidth.value,
-							// 	selection:false,
-							// })
-							// canvas.add(polyline)
-							currentPatterning.set({stroke: canvasPencilColor.value})
+							points.pop()
+							points.pop()
+							canvas.remove(currentPatterning)
+							let polyline = new fabric.Polyline(points, {
+								fill: 'transparent',
+								stroke: canvasPencilColor.value,
+								strokeWidth:canvasPencilWidth.value,
+								selection:false,
+							})
+							canvas.add(polyline)
+							// currentPatterning.set({stroke: canvasPencilColor.value})
 							createPatterningIs = false
 							clearPatterning()//临时图形置为空并且添加撤回对象里面
 						})