update examples

examples/model/3dtiles_3dmax.html

@@ -26,7 +26,7 @@
     let layer = new DC.TilesetLayer('layer')
     viewer.addLayer(layer)
     let tileset = new DC.Tileset(
-      'https://wrj.shuixiongit.com/3Dtile/rcmx/tiles_01/tileset.json',
+      'http://data.marsgis.cn/3dtiles/max-ytlhz/tileset.json',
       {
         loadSiblings:false,
         preferLeaves:true,