你好， 使用iclient for mapboxgl 4326坐标系时，地图不能拖动位置的问题。看上去像是被锁定在某一个位置了。请问是bug还是哪里传参的问题呢？
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<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no'/>
<title data-i18n="resources.title_tiledMapLayer"></title>
<script type="text/javascript" src="../js/include-web.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
</style>
</head>
<body>
<div id='map'></div>
<script type="text/javascript" exclude='iclient-mapboxgl' include="mapbox-gl-enhance" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
<script type="text/javascript">
var host = window.isLocal ? window.server : "https://iserver.supermap.io";
var attribution = "<a href='https://www.mapbox.com/about/maps/' target='_blank'>© Mapbox </a>" +
" with <span>© <a href='https://iclient.supermap.io' target='_blank'>SuperMap iClient</a> | </span>" +
" Map Data <span>© <a href='http://support.supermap.com.cn/product/iServer.aspx' target='_blank'>SuperMap iServer</a></span> ";
var host = window.isLocal ? window.server : 'https://iserver.supermap.io';
var url = host + '/iserver/services/map-china400/rest/maps/China_4326';
var map = new mapboxgl.Map({
container: 'map', // container id
style: {
version: 8,
sources: {
'raster-tiles': {
type: 'raster',
tileSize: 256,
//xyz形式，原生支持
//"tiles": ['https://t0.tianditu.gov.cn/DataServer?T=vec_c&x={x}&y={y}&l={z}'],
//iserver image资源模板；扩展支持
//"tiles": ['http://localhost:8090/iserver/services/map-World/rest/maps/World/image.png?viewBounds={viewBounds}&width={width}&height={height}'],
//iserver tileimage资源模板；扩展支持
//"tiles": ['https://iserver.supermap.io/iserver/services/map-jingjin/rest/maps/%E4%BA%AC%E6%B4%A5%E5%9C%B0%E5%8C%BA%E5%9C%B0%E5%9B%BE/tileimage.png?scale={scale}&x={x}&y={y}&width={width}&height={height}&origin={"x":-180,"y":90}'],
//推荐； iserver tileimage资源；扩展支持
//参数列表：
//地图服务地址（到地图名)必填 ；
//rasterSource为"iserver"；必填；
//transparent:可选，默认为true；
//cacheEnabled: 是否使用缓存，默认为true；
//redirect: 如果为 true，则将请求重定向到瓦片的真实地址；如果为 false，则响应体中是瓦片的字节流,默认为false；
//layersID:要显示的图层id字符串；
//tileversion: 切片版本名称，cacheEnabled 为 true 时有效；
//rasterfunction: 栅格分析参数,类型为mapboxgl.supermap.NDVIParameter或mapboxgl.supermap.HillshadeParameter；
//format:瓦片格式，默认为'png'；
tiles: [url],
rasterSource: 'iserver'
}
},
layers: [
{
id: 'simple-tiles',
type: 'raster',
source: 'raster-tiles',
minzoom: 0,
maxzoom: 22
}
]
},
crs: 'EPSG:4326',
center: [101.74721254733845, 32.5665352689922],
zoom: 3,
maxBounds:null
});
</script>
</body>
</html>
