转向取值-最后一个方向

wj-manage-web/src/views/organization/mapFlow.vue

@@ -157,7 +157,7 @@ export default {
           // 地图展示第一条数据对应的车道面和流量
           setTimeout(() => {
             this.crossPolygonClick({
-              features: [{ properties: this.mapPolygons[0].properties }],
+              features: [{ properties: this.mapPolygons[this.mapPolygons.length-1].properties }],
             });
           }, 0);
         });