docs:README.md and upgrade.md (ali-sdk#532)

* chore: modify issue_template

* chore: add english description for issue_template

* docs: repair UPGRADING.md

* docs: add lower browers solution link

.github/ISSUE_TEMPLATE.md

@@ -2,15 +2,17 @@
 Thank you for reporting an issue.
 
 1. It's RECOMMENDED to submit PR for typo or tiny bug fix.
-3. If this's a BUG, please provide: course repetition, network error log and configuration. Fill in as much of the template below as you're able.
-4. It will be nice to use example project to provide a mini GitHub repository which can reproduce the issue.
+2. If this's a BUG, please provide: course repetition, network error log and configuration. Fill in as much of the template below as you're able.
+3. It will be nice to use example project to provide a mini GitHub repository which can reproduce the issue.
+4. please try user newest ali-oss version.
 
 感谢您向我们反馈问题。
 
 1. 我们推荐如果是小问题（错别字修改，小的 bug fix）直接提交 PR。
 2. 如果是一个 BUG，请提供：复现步骤，错误请求和响应日志以及相关配置，并尽量填写下面的模板中的条目(请网络响应中x-oss-request-id字段值)。
-5. 如果可以，请使用项目中 example工程提供一个最小可复现的代码仓库，方便我们排查问题。
-6. 扩展阅读：[如何向开源项目提交无法解答的问题](https://zhuanlan.zhihu.com/p/25795393)
+3. 如果可以，请使用项目中 example工程提供一个最小可复现的代码仓库，方便我们排查问题。
+4. 尽量使用最新版本的SDK方便我们维护跟踪
+5. 扩展阅读：[如何向开源项目提交无法解答的问题](https://zhuanlan.zhihu.com/p/25795393)
 -->
 
 * **Browser Version or Node Version**:

README.md

@@ -36,6 +36,8 @@ Node.js >= 8.0.0 required. You can use 4.x in Node.js < 8.
 - Major versions of Chrome/Firefox/Safari
 - Major versions of Android/iOS/WP
 
+`Note`: For Lower browsers you can refer to [PostObject](https://help.aliyun.com/document_detail/31988.html), if you want to see more practices ,please refer to [Web Post](https://help.aliyun.com/document_detail/31923.html)
+
 ## License
 
 [MIT](LICENSE)

UPGRADING.md

@@ -2,10 +2,10 @@
 
 # Upgrading Notes (5.x to 6.x)
 
-No matter how it changes, our api name will never change. In order to give developers a better experience, we just change the way that the client use.the This document captures breaking changes from 5.x versions to the first
+No matter how it changes, the api  will never change. In order to give developers a better experience, we just change the way that the client use. This document captures breaking changes from 5.x versions to the first
 stable 6.x (non-RC) release of the Aliyun SDK for JavaScript.
 
-## 1. Remove Region Param fo All Bucket Operations
+## 1. Remove Region Param for All Bucket Operations
 
 For all the bucket operation ,including putBucket、deleteBucket、getBucketInfo、 getBucketLoaction、
 putBucketACL、gitBucketACL、 putBucketLogging、 getBucketLogging、 deleteBucketLogging、 putBucketWebsite、
@@ -39,7 +39,7 @@ it can optimize our code to maintain and provide with a better development exper
 
 ## 3. Dropped `OSS.Wrapper` When Init Client
 
-Before in async opearion we use `OSS.Wrapper` ,but now we just use `new OSS()` ,it will return Promise like `OSS.Wrapper`,please remmove `Wrapper`.
+Before in async opearion we use `OSS.Wrapper` ,but now we just use `new OSS()` ,it will return Promise like `OSS.Wrapper`,please remove `Wrapper`.
 
 Upgrading example