diff --git a/src/core/engine/picking/picking.js b/src/core/engine/picking/picking.js
index b4b3f46b87..be219bf03f 100755
--- a/src/core/engine/picking/picking.js
+++ b/src/core/engine/picking/picking.js
@@ -34,7 +34,7 @@ class Picking {
     window.addEventListener('resize', this._resizeHandler, false);
   }
   pickdata(event) {
-    const point = { x: event.pixel.x, y: event.pixel.y, type: event.type };
+    const point = { x: event.offsetX, y: event.offsetY, type: event.type };
     const normalisedPoint = { x: 0, y: 0 };
     normalisedPoint.x = (point.x / this._width) * 2 - 1;
     normalisedPoint.y = -(point.y / this._height) * 2 + 1;
diff --git a/src/core/scene.js b/src/core/scene.js
index b85ba35a5a..9a1677f0e0 100644
--- a/src/core/scene.js
+++ b/src/core/scene.js
@@ -101,7 +101,8 @@ export default class Scene extends Base {
       'dblclick'
     ];
     events.forEach(event => {
-      this.map.on(event, e => {
+
+      this._container.addEventListener(event, e => {
         // 要素拾取
         this._engine._picking.pickdata(e);
       }, false);
diff --git a/src/geom/material/polygonMaterial.js b/src/geom/material/polygonMaterial.js
index da8a598122..cd606fb8f1 100644
--- a/src/geom/material/polygonMaterial.js
+++ b/src/geom/material/polygonMaterial.js
@@ -1,28 +1,5 @@
 import Material from './material';
 import { getModule } from '../../util/shaderModule';
-// export default function PolygonMaterial(options) {
-//   const material = new Material({
-//     uniforms: {
-//       u_opacity: { value: options.u_opacity || 1.0 },
-//       u_texture: { value: options.u_texture },
-//       u_time: { value: options.u_time || 0 },
-//       u_zoom: { value: options.u_zoom || 0 },
-//       u_baseColor: { value: options.u_baseColor || [ 1.0, 0, 0, 1.0 ] },
-//       u_brightColor: { value: options.u_brightColor || [ 1.0, 0, 0, 1.0 ] },
-//       u_windowColor: { value: options.u_windowColor || [ 1.0, 0, 0, 1.0 ] },
-//       u_near: { value: options.u_near || 0.0 },
-//       u_far: { value: options.u_far || 1.0 }
-//     },
-//     vertexShader: polygon_vert,
-//     fragmentShader: polygon_frag,
-//     transparent: true,
-//     defines: {
-//       TEXCOORD_0: !!options.u_texture
-//     }
-//   });
-//   return material;
-// }
-
 export default class PolygonMaterial extends Material {
   getDefaultParameters() {
     return {
diff --git a/src/geom/shader/point_frag.glsl b/src/geom/shader/point_frag.glsl
index eecea0605c..10e11d0f09 100644
--- a/src/geom/shader/point_frag.glsl
+++ b/src/geom/shader/point_frag.glsl
@@ -1,7 +1,8 @@
 
 precision highp float;
 
-#pragma import "common"
+#define PI 3.14159265359
+#define TWO_PI 6.28318530718
 
 uniform float u_strokeWidth;
 uniform vec4 u_stroke;