diff --git a/src/index.js b/src/index.js
index db6f42d..06156d3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -7,7 +7,7 @@ var scene = new THREE.Scene();
 //创建模型和material
 var geometry = new THREE.BufferGeometry();
 var vertices = new Float32Array([
-    0, 0, 100
+    0, 0, 0
 ]);
 var posAttribute = new THREE.BufferAttribute(vertices, 3);
     //类型数组创建顶点颜色color数据
@@ -17,8 +17,6 @@ var posAttribute = new THREE.BufferAttribute(vertices, 3);
 var colorAttribute = new THREE.BufferAttribute(colors, 3);
 geometry.attributes.position = posAttribute;
 geometry.attributes.color = colorAttribute;
-
-
 var material = new THREE.PointsMaterial( { 
     vertexColors: THREE.VertexColors,
     size: 10.0 //点对象像素尺寸
@@ -50,7 +48,7 @@ camera.lookAt(scene.position);
 //创建渲染器
 var renderer = new THREE.WebGLRenderer();
 renderer.setSize(window.innerWidth, window.innerHeight);
-renderer.setClearColor(0xb9d3ff, 1); //设置背景颜色
+renderer.setClearColor("rgb(30, 30, 30)", 1); //设置背景颜色
 document.body.appendChild(renderer.domElement);
 
 const controls = new OrbitControls(camera, renderer.domElement);