update README

Author: dxinchao

README.md

@@ -1,15 +1,22 @@
 ## add loading bar for Vue-resource
 vuejs and vue-resource required;
 
+## start
+> npm install vueLoadingBar --save
+
 ```javascript
 <link href="src/loadingbar.min.css" rel="stylesheet" type="text/css" />
 <script src='src/loadingbar.js'></script>
 ```
+
 or
+
 ```javascript
 require('src/loadingbar.js')(Vue);
 ```
+
 with webpack
+
 ```javascript
 ...
 require('vueLoadingBar/src/loadingbar.css');
@@ -18,10 +25,11 @@ import VueResource from 'vue-resource';
 import vueLoadingBar from 'vueLoadingBar';
 Vue.use(VueResource);
 Vue.use(vueLoadingBar);
-
 ```
+
 ## config
+
 ```javascript
-// 设置请求超过多少毫秒才显示
-new Vue({...}).loadingBarDelay = 300;
+// 设置请求超过多少毫秒才显示，默认300毫秒
+new Vue({...}).loadingBarDelay = 100;
 ```

package.json

@@ -1,6 +1,6 @@
 {
  "name": "vueLoadingBar",
- "version": "1.0.2",
+ "version": "1.0.3",
  "description": "vue loading bar",
  "main": "src/loadingbar.js",
  "repository": "https://github.com/douxc/vueLoadingBar.git",