[Docs] Fix error KEY url (apache#6955)

docs/en/downloads/downloads.md

@@ -37,6 +37,6 @@ You can download source code from following links, then compile and install Dori
 | 0.10.0 | 2019-07-02 | [Source](http://archive.apache.org/dist/incubator/doris/0.10.0-incubating/apache-doris-0.10.0-incubating-src.tar.gz) ([Signature](http://archive.apache.org/dist/incubator/doris/0.10.0-incubating/apache-doris-0.10.0-incubating-src.tar.gz.asc) [SHA512](http://archive.apache.org/dist/incubator/doris/0.10.0-incubating/apache-doris-0.10.0-incubating-src.tar.gz.sha512)) |
 | 0.9.0 | 2019-02-18 | [Source](http://archive.apache.org/dist/incubator/doris/0.9.0-incubating/apache-doris-0.9.0-incubating-src.tar.gz) ([Signature](http://archive.apache.org/dist/incubator/doris/0.9.0-incubating/apache-doris-0.9.0-incubating-src.tar.gz.asc) [SHA512](http://archive.apache.org/dist/incubator/doris/0.9.0-incubating/apache-doris-0.9.0-incubating-src.tar.gz.sha512)) |
 
-To verify the downloaded files, please read [Verify Apache Release](../community/verify-apache-release.html) and using these [KEYS](https://www.apache.org/dist/incubator/doris/KEYS).
+To verify the downloaded files, please read [Verify Apache Release](../community/verify-apache-release.html) and using these [KEYS](https://downloads.apache.org/incubator/doris/KEYS).
 
 After verification, please read [Compilation](../installing/compilation.html) and [Installation and deployment](../installing/install-deploy.html) to compile and install Doris.

docs/zh-CN/downloads/downloads.md

@@ -18,6 +18,6 @@
 | 0.10.0 | 2019-07-02 | [Source](http://archive.apache.org/dist/incubator/doris/0.10.0-incubating/apache-doris-0.10.0-incubating-src.tar.gz) ([Signature](http://archive.apache.org/dist/incubator/doris/0.10.0-incubating/apache-doris-0.10.0-incubating-src.tar.gz.asc) [SHA512](http://archive.apache.org/dist/incubator/doris/0.10.0-incubating/apache-doris-0.10.0-incubating-src.tar.gz.sha512)) |
 | 0.9.0 | 2019-02-18 | [Source](http://archive.apache.org/dist/incubator/doris/0.9.0-incubating/apache-doris-0.9.0-incubating-src.tar.gz) ([Signature](http://archive.apache.org/dist/incubator/doris/0.9.0-incubating/apache-doris-0.9.0-incubating-src.tar.gz.asc) [SHA512](http://archive.apache.org/dist/incubator/doris/0.9.0-incubating/apache-doris-0.9.0-incubating-src.tar.gz.sha512)) |
 
-关于如何校验下载文件，请参阅 [校验下载文件](../community/verify-apache-release.html)，并使用这些[KEYS](https://www.apache.org/dist/incubator/doris/KEYS)。
+关于如何校验下载文件，请参阅 [校验下载文件](../community/verify-apache-release.html)，并使用这些[KEYS](https://downloads.apache.org/incubator/doris/KEYS)。
 
 校验完成后，可以参阅 [编译文档](../installing/compilation.html) 以及 [安装与部署文档](../installing/install-deploy.html) 进行 Doris 的编译、安装与部署。