Cesium.when(model, function (layers) {
    console.log(layers)
    layer1 = viewer.scene.layers.find('植物_萨伏伊别墅模型@model');
    layer1.setQueryParameter({
        url: url,
        dataSourceName: "model",
        dataSetName: "植物_萨伏伊别墅模型",
        isMerge: true,
        keyWord: 'SmID'
    });
    console.log(111)
});
直接在控制台输出参数layers会只有一个图层,我想要寻找某个特定的图层 ,他却输出undefined