diff --git a/README.md b/README.md
index c0d8a28..ae4c0f7 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Demo: https://ispring.github.io/WebGlobe/index.html
     - bundle用于将TypeScript版本的模块打包成一个JavaScript压缩文件
     - build用于执行以上所有的task
     
- 6. 通过index-src.html可以加载AMD格式的源码，方便调试；通过index-bundle.html可以加载打打包压缩后的JavaScript文件，减少了网络请求数量，减少了文件体积，用于生产环境。
+ 6. 通过index-src.html可以加载AMD格式的源码，方便调试；通过index-bundle.html可以加载打打包压缩后的JavaScript文件，减少了文件体积和网络请求数量，用于生产环境。
 
 
 
diff --git a/src/world/ArcGISTiledLayer.ts b/src/world/ArcGISTiledLayer.ts
index a47e4bf..c410716 100644
--- a/src/world/ArcGISTiledLayer.ts
+++ b/src/world/ArcGISTiledLayer.ts
@@ -8,9 +8,8 @@ class ArcGISTiledLayer extends TiledLayer{
   }
 
   getImageUrl(level: number, row: number, column: number) {
-    //使用代理
     var url = Kernel.proxy + "?" + this.url + "/tile/" + level + "/" + row + "/" + column;
-    return url;
+    return this.wrapUrlWithProxy(url);
   }
 }
 
diff --git a/src/world/AutonaviTiledLayer.ts b/src/world/AutonaviTiledLayer.ts
index d84ee9d..dbb797f 100644
--- a/src/world/AutonaviTiledLayer.ts
+++ b/src/world/AutonaviTiledLayer.ts
@@ -7,8 +7,8 @@ class AutonaviTiledLayer extends TiledLayer{
     //使用代理
     var sum = level + row + column;
     var serverIdx = 1 + sum % 4; //1、2、3、4
-    var url = Kernel.proxy + "?//webrd0" + serverIdx + ".is.autonavi.com/appmaptile?x=" + column + "&y=" + row + "&z=" + level + "&lang=zh_cn&size=1&scale=1&style=8";
-    return url;
+    var url = "//webrd0" + serverIdx + ".is.autonavi.com/appmaptile?x=" + column + "&y=" + row + "&z=" + level + "&lang=zh_cn&size=1&scale=1&style=8";
+    return this.wrapUrlWithProxy(url);
   }
 }
 
diff --git a/src/world/PerspectiveCamera.ts b/src/world/PerspectiveCamera.ts
index 7baa8d8..2d90c33 100644
--- a/src/world/PerspectiveCamera.ts
+++ b/src/world/PerspectiveCamera.ts
@@ -301,7 +301,6 @@ class PerspectiveCamera extends Object3D {
     var deltaY = (newPosition.y - oldPosition.y) / count;
     var deltaZ = (newPosition.z - oldPosition.z) / count;
     var start:number = -1;
-    console.time("animating");
     var callback = (timestap: number) => {
       if(start < 0){
         start = timestap;
@@ -311,7 +310,6 @@ class PerspectiveCamera extends Object3D {
         this.matrix = newMat;
         this.animating = false;   
         cb();
-        console.timeEnd("animating");    
       }else{
         var p = this.getPosition();
         this.setPosition(p.x + deltaX, p.y + deltaY, p.z + deltaZ);
diff --git a/src/world/Renderer.ts b/src/world/Renderer.ts
index b051c84..317b9fb 100644
--- a/src/world/Renderer.ts
+++ b/src/world/Renderer.ts
@@ -1,4 +1,4 @@
-///<amd-module name="world/WebGLRenderer"/>
+///<amd-module name="world/Renderer"/>
 import Kernel = require("./Kernel");
 import EventUtils = require("./Event");
 import Scene = require("./Scene");
diff --git a/src/world/SubTiledLayer.ts b/src/world/SubTiledLayer.ts
index eefcdae..c9ca3fa 100644
--- a/src/world/SubTiledLayer.ts
+++ b/src/world/SubTiledLayer.ts
@@ -40,13 +40,13 @@ class SubTiledLayer extends Object3DComponents {
   }
 
   //调用其父的getImageUrl
-  getImageUrl(level: number, row: number, column: number) {
-    var url = "";
-    if (this.tiledLayer) {
-      url = this.tiledLayer.getImageUrl(level, row, column);
-    }
-    return url;
-  }
+  // getImageUrl(level: number, row: number, column: number) {
+  //   var url = "";
+  //   if (this.tiledLayer) {
+  //     url = this.tiledLayer.getImageUrl(level, row, column);
+  //   }
+  //   return url;
+  // }
 
   //重写Object3DComponents的destroy方法
   destroy() {
diff --git a/src/world/TiledLayer.ts b/src/world/TiledLayer.ts
index 7d2e1d5..598f676 100644
--- a/src/world/TiledLayer.ts
+++ b/src/world/TiledLayer.ts
@@ -1,19 +1,25 @@
 ///<amd-module name="world/TiledLayer"/>
+import Kernel = require('./Kernel');
 import Object3DComponents = require('./Object3DComponents');
 import SubTiledLayer = require('./SubTiledLayer');
 
-class TiledLayer extends Object3DComponents {
+abstract class TiledLayer extends Object3DComponents {
   //重写
   add(subTiledLayer: SubTiledLayer) {
     super.add(subTiledLayer);
     subTiledLayer.tiledLayer = this;
   }
 
-  //根据切片的层级以及行列号获取图片的url,抽象方法，供子类实现
-  getImageUrl(level: number, row: number, column: number) {
-    return "";
+  protected wrapUrlWithProxy(url: string): string{
+    if(Kernel.proxy){
+      return Kernel.proxy + "?" + url;
+    }
+    return url;
   }
 
+  //根据切片的层级以及行列号获取图片的url,抽象方法，供子类实现
+  abstract getImageUrl(level: number, row: number, column: number): string
+
   //根据传入的level更新SubTiledLayer的数量
   updateSubLayerCount(level: number) {
     var subLayerCount = this.children.length;