Merge pull request #443 from kyonRay/master

<doc>(README): update README and README_EN.

Author: kyonRay

Diff for: README.md

@@ -1,6 +1,6 @@
-![](docs/images/FISCO_BCOS_Logo.svg)
+![](./docs/FISCO_BCOS_Logo.svg)
 
-English / [中文](docs/README_CN.md)
+[English](./docs/README_EN.md) / 中文
 
 # Java SDK
 
@@ -9,41 +9,46 @@ English / [中文](docs/README_CN.md)
 [![CodeFactor](https://www.codefactor.io/repository/github/fisco-bcos/java-sdk/badge)](https://www.codefactor.io/repository/github/fisco-bcos/java-sdk)
 [![GitHub All Releases](https://img.shields.io/github/downloads/FISCO-BCOS/java-sdk/total.svg)](https://github.com/FISCO-BCOS/java-sdk)
 
-This is the FISCO BCOS Client SDK for Java. Developers can use Java SDK to build blockchain applications with FISCO BCOS blockchain.
+这是FISCO BCOS客户端的Java SDK，提供了访问FISCO BCOS节点的Java API，支持节点状态查询、部署和调用合约等功能，基于Java SDK可开发区块链应用，目前支持FISCO BCOS 2.0+。
 
-## Functions
-* Contract compiling.
-* Interacting with FISCO BCOS JSON-RPC interface.
-* constructing and sending transactions.
-* Advanced Messages Onchain Protocol(AMOP) functions.
-* Contract event subscription.
-* Encoding and decoding data with ABI. 
-* Account Management.
+## 功能
+* 提供合约编译功能，将Solidity合约文件转换成Java合约文件。
+* 支持Liquid合约使用，包含部署Liquid合约，发起Liquid合约交易。
+* 提供Java SDK API,提供访问FISCO BCOS JSON-RPC 的功能，并支持预编译（Precompiled）合约调用。
+* 提供自定义构造和发送交易功能。
+* 提供AMOP功能。
+* 支持合约事件推送。
+* 支持ABI和Scale的编解码解析。
+* 提供账户管理接口。
+* 提供权限管理接口。
 
-## New Features
-This java sdk is a code refactoring version base on web3sdk (not recommend to use), it includes the following new features:
+## 新特性
+Java SDK包含如下几个新特性：
 
-* Support Toml config file, simplify configuration options.
-* Support connecting with nodes of different groups.
-* Support AMOP subscription and unsubscription at any time instead of just before start service.
-* ABI module add support of encode and decode of struct type data.
-* Use the common crypto tools of WeBank.
-* Add a new module called group management to help applications manage nodes which java SDK connecting with.
-* Use modular design, each module can use independently. For example, you can create crypto.jar file if only crypto module is needed.
+* 完全支持 [FISCO BCOS 3.0+](https://fisco-bcos-doc.readthedocs.io/zh_CN/latest/).
+* 支持Liquid合约使用，包含部署Liquid合约，发起Liquid合约交易。
+* 支持Scale的编解码解析。
+* 使用JNI封装后的[FISCO BCOS C SDK](https://github.com/FISCO-BCOS/bcos-c-sdk)接口与区块链交互。
 
-## Documentation
-* [English User Manual](https://fisco-bcos-documentation.readthedocs.io/en/latest/docs/sdk/java_sdk/index.html)
-* [Chinese User Manual](https://fisco-bcos-documentation.readthedocs.io/zh_CN/latest/docs/sdk/java_sdk/index.html)
-* [Chinese WIKI](https://github.com/FISCO-BCOS/java-sdk/wiki)
+## 文档
+* [中文版用户手册](https://fisco-bcos-doc.readthedocs.io/zh_CN/latest/docs/develop/sdk/index.html)
+* 英文版用户手册: 施工中...
 
-## Quick Start
-* [Chinese](https://fisco-bcos-documentation.readthedocs.io/zh_CN/latest/docs/sdk/java_sdk/quick_start.html)
+## 快速开始
+* [中文版手册](https://fisco-bcos-doc.readthedocs.io/zh_CN/latest/docs/develop/sdk/java_sdk/quick_start.html)
 
-## Join Our Community
+## 贡献代码
+欢迎参与FISCO BCOS的社区建设：
+- 点亮我们的小星星(点击项目左上方Star按钮)。
+- 提交代码(Pull requests)，参考我们的 [代码贡献流程](https://mp.weixin.qq.com/s/_w_auH8X4SQQWO3lhfNrbQ) 。
+- [提问和提交BUG](https://github.com/FISCO-BCOS/java-sdk/issues)。
 
-The FISCO BCOS community is one of the most active open-source blockchain communities in China. It provides long-term technical support for both institutional and individual developers and users of FISCO BCOS. Thousands of technical enthusiasts from numerous industry sectors have joined this community, studying and using FISCO BCOS platform. If you are also interested, you are most welcome to join us for more support and fun.
+## 加入我们的社区
+
+FISCO BCOS开源社区是国内活跃的开源社区，社区长期为机构和个人开发者提供各类支持与帮助。已有来自各行业的数千名技术爱好者在研究和使用FISCO BCOS。如您对FISCO BCOS开源技术及应用感兴趣，欢迎加入社区获得更多支持与帮助。
 
 ## License
-![license](http://img.shields.io/badge/license-Apache%20v2-blue.svg)
 
-All contributions are made under the [Apache License 2.0](http://www.apache.org/licenses/). See [LICENSE](LICENSE).
+![license](https://img.shields.io/badge/license-Apache%20v2-blue.svg)
+
+Web3SDK的开源协议为[Apache License 2.0](http://www.apache.org/licenses/). 详情参考[LICENSE](../LICENSE)。

Diff for: docs/FISCO_BCOS_Logo.svg

@@ -0,0 +1,47 @@
+![](docs/images/FISCO_BCOS_Logo.svg)
+
+English / [中文](docs/README_CN.md)
+
+# Java SDK
+
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
+[![Build Status](https://travis-ci.org/FISCO-BCOS/java-sdk.svg?branch=master)](https://travis-ci.org/FISCO-BCOS/java-sdk)
+[![CodeFactor](https://www.codefactor.io/repository/github/fisco-bcos/java-sdk/badge)](https://www.codefactor.io/repository/github/fisco-bcos/java-sdk)
+[![GitHub All Releases](https://img.shields.io/github/downloads/FISCO-BCOS/java-sdk/total.svg)](https://github.com/FISCO-BCOS/java-sdk)
+
+This is the FISCO BCOS Client SDK for Java. Developers can use Java SDK to build blockchain applications with FISCO BCOS blockchain.
+
+## Functions
+* Solidity contract compiling.
+* Liquid contract support, including deploy contracts, sending transactions.
+* Interacting with FISCO BCOS JSON-RPC interface.
+* Constructing and sending transactions.
+* Advanced Messages Onchain Protocol(AMOP) functions.
+* Contract event subscription.
+* Encoding and decoding data with ABI and Scale.
+* Account Management.
+* Authority Management.
+
+## New Features
+Java SDK includes the following new features:
+
+* Support [FISCO BCOS 3.0+](https://fisco-bcos-doc.readthedocs.io/zh_CN/latest/).
+* Support Liquid usage, including deploy contracts, sending transactions.
+* Support Scale encoding and decoding data.
+* Use JNI wrapper of [FISCO BCOS C SDK](https://github.com/FISCO-BCOS/bcos-c-sdk) interface, which connecting blockchain nodes.
+
+## Documentation
+* English User Manual: in progress...
+* [Chinese User Manual](https://fisco-bcos-doc.readthedocs.io/zh_CN/latest/docs/develop/sdk/index.html)
+
+## Quick Start
+* [Chinese](https://fisco-bcos-doc.readthedocs.io/zh_CN/latest/docs/develop/sdk/java_sdk/quick_start.html)
+
+## Join Our Community
+
+The FISCO BCOS community is one of the most active open-source blockchain communities in China. It provides long-term technical support for both institutional and individual developers and users of FISCO BCOS. Thousands of technical enthusiasts from numerous industry sectors have joined this community, studying and using FISCO BCOS platform. If you are also interested, you are most welcome to join us for more support and fun.
+
+## License
+![license](http://img.shields.io/badge/license-Apache%20v2-blue.svg)
+
+All contributions are made under the [Apache License 2.0](http://www.apache.org/licenses/). See [LICENSE](LICENSE).