Merge pull request #215 from chaychen2005/master

update readme to describe the adaptive FISCO BCOS version

README.md

@@ -7,7 +7,7 @@ English / [中文](doc/README_CN.md)
 [![CircleCI](https://circleci.com/gh/FISCO-BCOS/web3sdk/tree/master.svg?style=shield)](https://circleci.com/gh/FISCO-BCOS/web3sdk/tree/master)
 [![CodeFactor](https://www.codefactor.io/repository/github/fisco-bcos/web3sdk/badge)](https://www.codefactor.io/repository/github/fisco-bcos/web3sdk)
 ---
-Web3SDK provides the Java API for [FISCO-BCOS](https://github.com/FISCO-BCOS/FISCO-BCOS/tree/master). You can easily and quickly develop your blockchain applications based on the Web3SDK.
+Web3SDK provides the Java API for [FISCO-BCOS](https://github.com/FISCO-BCOS/FISCO-BCOS/tree/master). You can easily and quickly develop your blockchain applications based on the Web3SDK. **The version only supports** [FISCO BCOS 2.0](https://fisco-bcos-documentation.readthedocs.io/zh_CN/release-2.0/docs/introduction.html).
 
 <div align="center">
   <img src="./images/sdk.png" width = "600" height = "420"/>

doc/README_CN.md

@@ -7,7 +7,8 @@
 [![CircleCI](https://circleci.com/gh/FISCO-BCOS/web3sdk/tree/master.svg?style=shield)](https://circleci.com/gh/FISCO-BCOS/web3sdk/tree/master)
 [![CodeFactor](https://www.codefactor.io/repository/github/fisco-bcos/web3sdk/badge)](https://www.codefactor.io/repository/github/fisco-bcos/web3sdk)
 ---
-Web3SDK为[FISCO BCOS](https://github.com/FISCO-BCOS/FISCO-BCOS/tree/master)提供Java API。利用FISCO BCOS JAVA SDK可以简单快捷的基于FISCO-BCOS进行区块链应用开发。
+Web3SDK为[FISCO BCOS](https://github.com/FISCO-BCOS/FISCO-BCOS/tree/master)提供Java API。利用FISCO BCOS JAVA SDK可以简单快捷的基于FISCO-BCOS进行区块链应用开发。**此版本只支持**[FISCO BCOS 2.0](https://fisco-bcos-documentation.readthedocs.io/zh_CN/release-2.0/docs/introduction.html)。
+
 
 <div align="center">
   <img src="../images/sdk.png" width = "600" height = "420"/>