oad = function() {
                AMapLoader.load({
                    key: "041db813f69a2424f234fade1e3b3605", 
                    version: "2.0",
                    plugins: ["AMap.Scale", "AMap.ToolBar"],
                    AMapUI: { version: "1.1", plugins: ["overlay/SimpleMarker"] }
                })
                .then(function(AMap) { initMap(AMap); })
                .catch(function(e) { console.error('地图加载失败:', e); });
            };
            document.body.appendChi