问java脚本代码中的JSON.parse错误？

EN

<div id="map" class="map"></div>
    <script type="text/javascript">
        var vectorSource = new ol.source.Vector({
            format: new ol.format.GeoJSON(),
            url: 'http://localhost/cgi-bin/mapserv.exe?map=D:\MS4W\Apache\htdocs\baseWFS.map&'+
            'SERVICE=WFS&VERSION=1.0.0&REQUEST=getfeature&TYPENAME=parcel&'+
            'bbox=518259.145000,3240058.724100,519352.395700,3241604.305400&SRS=EPSG:32639&outputformat=geojson',
            strategy: ol.loadingstrategy.bbox
        });

        var vector = new ol.layer.Vector({
            source: vectorSource,
            style: new ol.style.Style({
                stroke: new ol.style.Stroke({
                    color: 'rgba(255, 0, 0, 1.0)',
                    width: 2
                })
            })
        });
        var map = new ol.Map({
            layers: [vector],
            view: new ol.View({
                center: [518744, 3240850],
                maxZoom: 100,
                zoom : 2        
            }),
            target: document.getElementById('map')
        });
    </script>