内容
                var contentHTML = "<div style='color: #000; background-color: #fff'>";
                contentHTML += "行政区：" + "<br><strong>" + fea.attributes['NAME'] + "</strong>";

                contentHTML += "<hr style='margin: 3px'>";
                contentHTML += "GDP2016： <br/><strong>" + info.value + "</strong>(亿元)";
                contentHTML += "</div>";

                var tempPoint = map.mouseEventToLatLng(e.event);
                popup = L.tooltip({ direction: 'top' }