Update README.en.md

README.en.md

@@ -1,26 +1,33 @@
 # file-online-preview
-This kekingcn kkFileView software is intended to be a solution for previewing documents online. There are some similar paid products in the industry, at present.
+
-Such as 【[永中office](http://dcs.yozosoft.com/)】,【[office365](http://www.officeweb365.com/)】,【[idocv](https://www.idocv.com/)】, etc..
+[![GitHub license](https://img.shields.io/github/license/kekingcn/kkFileView.svg?style=flat-square)](https://github.com/kekingcn/kkFileView/blob/master/LICENSE)
-The kekingcn kkFileView software is an open source implementation and released under the Apache License version 2. It's aimed to feedback the community after obtaining the consent of company executives, 
+
+### Introduction
+
+This kekingcn kkFileView project is intended to be a solution for previewing documents online. At present,there are some similar paid products in the industry.
+Such as 【[永中office](http://dcs.yozosoft.com/)】,【[office365](http://www.officeweb365.com/)】,【[idocv](https://www.idocv.com/)】, etc...
+It is an open source implementation and released under the Apache License version 2.0. Finally,It is aimed to feedback the community after obtaining the consent of company executives, 
 special thanks to the supports of @唐老大 and the contributions of @端木详笑. 
 
-### Advantages
+### Features
-* build with the popular frame spring boot, 
+- Build with the popular frame spring boot
-* easy to deploy and deploy, 
+- Easy to build and deploy
-* basically support online preview of mainstream office documents, such as Doc, docx, Excel, PDF, TXT, zip, rar, pictures, etc.
+- Basically support online preview of mainstream office documents, such as Doc, docx, Excel, PDF, TXT, zip, rar, pictures, etc
+- REST API
+- Abstract file preview interface so that it is easy to extend more file extensions and develop this project on your own
 
-### The demo online
+### Live demo
 > Please treat public service kindly, or this would stop at any time.
 
 URL：http://file.keking.cn/
 
-### Project documentation
+### Documentation
 1. 中文文档：https://gitee.com/kekingcn/file-online-preview/blob/master/README.md
 1. English document：https://github.com/kekingcn/kkFileView/blob/master/README.en.md
 
 ### Contact us && Join us
-> We will answer everyone's questions which are found when using this project patiently.
+> We will answer everyone's questions in use of this project.
-And please Google or Baidu first before asking a question, so that we can solve then efficiently. 
+And please Google or Baidu first before asking a question, so that we can solve it efficiently. 
 Cherish life away from ineffective communication.
 
 ![输入图片说明](https://gitee.com/uploads/images/2017/1219/173717_934cb068_492218.png "屏幕截图.png")
@@ -41,19 +48,19 @@ QQ group：613025121
 > png,jpeg,jpg,etc., support for zooming with mouse scroll, rotation, inversion,etc.
 
 ![输入图片说明](https://gitee.com/uploads/images/2017/1213/094335_657a6f60_492218.png "屏幕截图.png")
-Considering space issues, the pictures of other types of documents will not be shown here.You can deploy it by yourself if you are interested in our project.The way to deploy is as below.
+Considering space issues, the pictures of other types of documents will not be shown here.You can deploy it by yourself if you are interested in our project.There is a way to deploy it as below.
 
 ### Quick Start
-> Technologies in this project
+> Technology stack
-- spring boot： [spring boot Development Reference Guide](http://www.kailing.pub/PdfReader/web/viewer.html?file=springboot)
+- Spring boot： [spring boot Development Reference Guide](http://www.kailing.pub/PdfReader/web/viewer.html?file=springboot)
-- freemarker
+- Freemarker
-- redisson 
+- Redisson 
-- jodconverter
+- Jodconverter
-> Dependent External Environment
+> Dependencies
-- redis 
+- Redis 
 - OpenOffice or LibreOffice
 
-1. First step：pull https://github.com/kekingcn/file-online-preview.git
+1. First step：`git pull https://github.com/kekingcn/file-online-preview.git`
 
 2. Second step：configure redis address and OpenOffice directory，such as
 ```
@@ -67,23 +74,30 @@ office.home = C:\\Program Files (x86)\\OpenOffice 4
 ```
 'file.dir' is the real storage address of the converted files, please end with '/'.
 
-3. Third step：Run the main method of FilePreviewApplication.java.After starting,visit 'http://localhost:8012/'.
+3. Third step：Run the main method of FilePreviewApplication.java.After starting,visit `http://localhost:8012/`.
 If everything is ok,you will see the picture below.
 ![输入图片说明](https://gitee.com/uploads/images/2017/1213/100221_ea15202e_492218.png "屏幕截图.png")
 
-### System Update History
+### Changelog
+
+> January 17th 2018
+
+1. Refined the project directory, abstract file preview interface, Easy to extend more file extensions and depoly this project on your own
+1. Added English documentation (@幻幻Fate，@汝辉) contribution
+1. Support for more image file extensions
+1. Fixed the issue that image carousel in zip file will always start from the first
 
-> January 12th 2018 ：
+> January 12th 2018
 
 1. Support for multiple images preview 
 1. Support for images rotation preview in rar/zip
 
-> January 2nd 2018 ： 
+> January 2nd 2018
 
-1. fixed gibberish issue when preview a txt document caused by the file encoding problem 
+1. Fixed gibberish issue when preview a txt document caused by the file encoding problem 
-1. fixed the issue that some module dependencies can not be found
+1. Fixed the issue that some module dependencies can not be found
-1. add a spring boot profile, and support for Multi-environment configuration 
+1. Add a spring boot profile, and support for Multi-environment configuration 
-1. add 'pdf.js' to preview the documents such as doc,etc.,support for generating doc headlines as pdf menu，support for mobile preview
+1. Add `pdf.js` to preview the documents such as doc,etc.,support for generating doc headlines as pdf menu，support for mobile preview
 
 ### Register Usage
 If this project is helpful for you, please register on 'https://gitee.com/kekingcn/file-online-preview/issues/IGSBV',