THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
Set the released version to "released" and set the "release-date"
Add the next version to the versions.
目前我没有权限，所以还没测试目前这个操作只能够由ppmc执行
12. 更新官网的下载链接
网站目录：
https://github.com/apache/incubator-iotdb-website
...