diff --git a/demos/polygon_jsondata.html b/demos/polygon_jsondata.html
index 10d1ce6902..cca750f0ca 100644
--- a/demos/polygon_jsondata.html
+++ b/demos/polygon_jsondata.html
@@ -21,14 +21,18 @@
 <script src="./assets/dat.gui.min.js"></script>
 <script src="../build/L7.js"></script>
 <script>
-const scene = new L7.Scene({
-  id: 'map',
-  mapStyle: 'dark', // 样式URL
-  center: [121.576757,31.279873 ],
-  pitch: 0,
-  zoom: 12,
-  rotation:0
+var mapinstance = new AMap.Map('map',{
+    center: [121.576757,31.279873 ],
+    viewMode: '3D',
+    pitch: 0,
+    zoom: 12,
+    maxZoom:20,
+    minZoom:0,
+ });
 
+const scene = new L7.Scene({
+   map:mapinstance,
+   //mapStyle: 'dark', // 样式URL
 });
 const testdata = [
     {
diff --git a/package.json b/package.json
index 06e47cf633..1ce7cd393b 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@antv/l7",
-  "version": "1.2.0-beta.2",
+  "version": "1.2.0-beta.3",
   "description": "Large-scale WebGL-powered Geospatial Data Visualization",
   "main": "build/l7.js",
   "browser": "build/l7.js",
diff --git a/src/core/layer.js b/src/core/layer.js
index cc7c82f962..6ff5447472 100644
--- a/src/core/layer.js
+++ b/src/core/layer.js
@@ -108,7 +108,8 @@ export default class Layer extends Base {
     if (type === 'fill') {
       this.get('pickingController').addPickMesh(object);
     }
-    setTimeout(() => this.scene._engine.update(), 500);
+    this.scene._engine.update();
+    // setTimeout(() => this.scene._engine.update(), 200);
   }
   remove(object) {
     if (object.type === 'composer') {
diff --git a/src/core/scene.js b/src/core/scene.js
index 6890247663..c49352f42b 100644
--- a/src/core/scene.js
+++ b/src/core/scene.js
@@ -41,7 +41,6 @@ export default class Scene extends Base {
     const Map = new MapProvider(this._attrs);
     Map.mixMap(this);
     this._container = Map.container;
-    // const Map = new MapProvider(this.mapContainer, this._attrs);
     Map.on('mapLoad', () => {
       this.map = Map.map;
       this._initEngine(Map.renderDom);
@@ -55,8 +54,8 @@ export default class Scene extends Base {
         interaction._onHashChange();
       }
       this.emit('loaded');
+      this._engine.update();
     });
-
   }
   initLayer() {
     for (const key in LAYER_MAP) {
diff --git a/src/global.js b/src/global.js
index 2256230e7c..946c508a21 100644
--- a/src/global.js
+++ b/src/global.js
@@ -5,7 +5,7 @@
 // const Global = {};
 const FONT_FAMILY = '"-apple-system", BlinkMacSystemFont, "Segoe UI", Roboto,"Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",SimSun, "sans-serif"';
 const Global = {
-  version: '1.2.0-beta.2',
+  version: '1.2.0-beta.3',
   scene: {
     mapType: 'AMAP',
     zoom: 5,
diff --git a/src/map/AMap.js b/src/map/AMap.js
index aa7a1a1719..a6a101e7ce 100644
--- a/src/map/AMap.js
+++ b/src/map/AMap.js
@@ -55,7 +55,7 @@ export default class GaodeMap extends Base {
     if (map instanceof AMap.Map) {
       this.map = map;
       this.container = map.getContainer();
-      this.map.setMapStyle(this.get('mapStyle'));
+      this.get('mapStyle') && this.map.setMapStyle(this.get('mapStyle'));
     } else {
       this.map = new AMap.Map(this.container, this._attrs);
     }
@@ -82,6 +82,7 @@ export default class GaodeMap extends Base {
       camera.lookAt(0, 0, 0);
       camera.position.x += e.camera.position.x;
       camera.position.y += -e.camera.position.y;
+      this._engine.update();
     });
   }