update readme for now situation

README.md

@@ -1,10 +1,9 @@
 cnpmjs.org
 =======
 
-[![NPM version][npm-image]][npm-url]
+[![npm version][npm-image]][npm-url]
 [![build status][travis-image]][travis-url]
 [![Test coverage][codecov-image]][codecov-url]
-[![David deps][david-image]][david-url]
 [![Known Vulnerabilities][snyk-image]][snyk-url]
 [![npm download][download-image]][download-url]
 
@@ -14,8 +13,6 @@ cnpmjs.org
 [travis-url]: https://travis-ci.org/cnpm/cnpmjs.org
 [codecov-image]: https://codecov.io/gh/cnpm/cnpmjs.org/branch/master/graph/badge.svg
 [codecov-url]: https://codecov.io/gh/cnpm/cnpmjs.org
-[david-image]: https://img.shields.io/david/cnpm/cnpmjs.org.svg?style=flat-square
-[david-url]: https://david-dm.org/cnpm/cnpmjs.org
 [snyk-image]: https://snyk.io/test/npm/cnpmjs.org/badge.svg?style=flat-square
 [snyk-url]: https://snyk.io/test/npm/cnpmjs.org
 [download-image]: https://img.shields.io/npm/dm/cnpmjs.org.svg?style=flat-square
@@ -23,51 +20,43 @@ cnpmjs.org
 
 ![logo](https://raw.github.com/cnpm/cnpmjs.org/master/logo.png)
 
-## What is this?
+## Description
 
 Private npm registry and web for Enterprise, base on [koa](http://koajs.com/),
 MySQL and [Simple Store Service](https://github.com/cnpm/cnpmjs.org/wiki/NFS-Guide).
 
-Our goal is to provide a low cost maintenance and easy to use solution for private npm.
+Our goal is to provide a low cost maintenance, easy to use, and easy to scale solution for private npm.
 
-## What can you do with `cnpmjs.org`
+## What can you do with `cnpmjs.org`?
 
 * Build a private npm for your own enterprise. ([alibaba](http://www.alibaba.com/) is using `cnpmjs.org` now)
-* Build a mirror NPM. (we use it to build a mirror in China: [cnpmjs.org](http://cnpmjs.org/))
-* Build a completely independent NPM registry to store whatever you like.
+* Build a npm mirror. (we use it to build a mirror in China: [https://npm.taobao.org/](https://npm.taobao.org/))
 
 ## Features
 
 * **Support "scoped" packages**: [npm/npm#5239](https://github.com/npm/npm/issues/5239)
 * **Support [CORS](http://en.wikipedia.org/wiki/Cross-origin_resource_sharing)**
 * **Simple to deploy**: only need `mysql` and a [simple store system](https://github.com/cnpm/cnpmjs.org/wiki/NFS-Guide).
-You can get the source code through `npm` or `git`.
-* **Low cost and easy maintenance**: `package.json` info store in MySQL, MariaDB, SQLite or PostgreSQL databases,
-tarball(tgz file) store in CDN or other store systems.
-* **Automatic synchronization**: automatic synchronization from any registry specified, support two sync modes:
-  - Sync all modules from a specified registry, like [npm registry](http://registry.npmjs.org).
-  - Only sync the modules that exists in your own registry.
-* **Manual synchronization**: automatic synchronization may has little delay, but you can syn immediately by manually.
+* **Low cost and easy maintenance**: `package.json` info can store in MySQL, MariaDB, SQLite or PostgreSQL.
+tarball(tgz file) can store in Amazon S3 or other object storage service.
+* **Automatic synchronization**: automatically sync from any registry specified. support two sync modes:
+  - Sync all modules from upstream
+  - Only sync the modules after first access.
+* **Manual synchronization**: automatic synchronization may has little delay. you can sync manually on web page.
 * **Customized client**: we provide a client [cnpm](https://github.com/cnpm/cnpm)
 to extend `npm` with more features(`sync` command, [gzip](https://github.com/npm/npm-registry-client/pull/40) support).
-And it easy to wrap for your own registry which build with `cnpmjs.org`.
-* **Compatible with NPM client**: you can use the origin NPM client with `cnpmjs.org`,
-only need to change the registry in config. Even include manual synchronization (through `install` command).
-* **Version badge**: base on [shields.io](http://shields.io/) ![cnpm-badge](http://cnpmjs.org/badge/v/cnpmjs.org.svg?style=flat-square)
-* **Support http_proxy**: if you're behind firewall, need to request through http proxy
+And it is easy to wrap for your own registry which build with `cnpmjs.org`.
+* **Compatible with npm client**: you can use the official npm client with `cnpmjs.org`.
+you only need to change the registry in client config.
+* **Support http_proxy**: if you're behind a firewall, you can provide a http proxy for cnpmjs.org.
 
-**PROTIP** Be sure to read [Migrating from 1.x to 2.x](https://github.com/cnpm/cnpmjs.org/wiki/Migrating-from-1.x-to-2.x)
-as well as [New features in 2.x](https://github.com/cnpm/cnpmjs.org/wiki/New-features-in-2.x).
+## Docs
 
-## Getting Start
-
-* [Deploy a private npm registry in 5 minutes](https://github.com/cnpm/cnpmjs.org/wiki/Deploy-a-private-npm-registry-in-5-minutes)
-* @[dead-horse](https://github.com/dead-horse): [What is cnpm?](http://deadhorse.me/slides/cnpmjs.html)
-* install and deploy cnpmjs.org through npm: [examples](https://github.com/cnpm/custom-cnpm-example)
-* Mirror NPM in China: [cnpmjs.org](http://cnpmjs.org)
+* [How to deploy](https://github.com/cnpm/cnpmjs.org/wiki/Deploy)
 * cnpm client: [cnpm](https://github.com/cnpm/cnpm), `npm install -g cnpm`
-* [How to deploy cnpmjs.org](https://github.com/cnpm/cnpmjs.org/wiki/Deploy)
 * [Sync packages through `http_proxy`](https://github.com/cnpm/cnpmjs.org/wiki/Sync-packages-through-http_proxy)
+* [Migrating from 1.x to 2.x](https://github.com/cnpm/cnpmjs.org/wiki/Migrating-from-1.x-to-2.x)
+* [New features in 2.x](https://github.com/cnpm/cnpmjs.org/wiki/New-features-in-2.x).
 * [wiki](https://github.com/cnpm/cnpmjs.org/wiki)
 
 ## Develop on your local machine
@@ -105,7 +94,7 @@ $ make dev
 
 ### Dockerized cnpmjs.org Installation Guide
 
-Cnpmjs.org shipped with a simple but pragmatic Docker Compose configuration.With the configuration, you can set up a MySQL backed cnpmjs.org instance by executing just one command on Docker installed environment.
+Cnpmjs.org shipped with a simple but pragmatic Docker Compose configuration.With the configuration, you can set up a MySQL backend cnpmjs.org instance by executing just one command on Docker installed environment.
 
 #### Preparation
 
@@ -183,7 +172,6 @@ Tips: make sure your code is following the [node-style-guide](https://github.com
 ## Sponsors
 
 - [![阿里云](https://static.aliyun.com/images/www-summerwind/logo.gif)](http://click.aliyun.com/m/4288/) (2016.2 - now)
-- [![UCloud云计算](https://www.ucloud.cn/static/style/images/about/logo.png)](http://www.ucloud.cn?sem=sdk-CNPMJS) (2015.3 - 2016.3)
 
 ## License