vue的leaflet中使用L.marker时出现“Failed to load resource: net::ERR_INVALID_URL”和"GET data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABkAAAApCAYA……HUd9xv8ZR98CxkS4F2n3EUrUZ10EYNw7BWm9x1GiPssi3GgiGRDKWRYZfXlON+dfNbM+GgIwYdwAAAAASUVORK5CYII=")marker-shadow.png net::ERR_INVALID_URL"错误,同时地图上的marker图标出现没有图片的样式