发布的FeatureLayer地图无法连接

发布地图服务后，在js里 var featureLayer = new FeatureLayer({
            url: "http://192.168.31.117:6080/arc ... ot%3B,
            mode: FeatureLayer.MODE_ONDEMAND,
            outFields: ["*"]
            //popupTemplate: template
        });
运行时后报错，请指教！