修改

public/config/config.json

 {
   "map3d": {
     "scene": {
-      "center": {"lat":37.4900,"lng":122.04849,"alt":1000,"heading":360,"pitch":-90},
+      "center": {"lat":34.52912,"lng":117.662855,"alt":1000,"heading":360,"pitch":-90},
       "scene3DOnly": false,
       "shadows": false,
       "removeDblClick": true,
@@ -20,7 +20,7 @@
       },
       "cameraController": {
         "zoomFactor": 3.0,
-        "minimumZoomDistance": 200,
+        "minimumZoomDistance": 100,
         "maximumZoomDistance": 50000000,
         "enableRotate": true,
         "enableTranslate": true,