Apache Flex SDK Installer 下载时中断，请问怎样解决？

Question

Installer path: C:\Users\lenovo\AppData\Roaming\org.apache.flex.installapacheflex\Local Store\Win64
Installer version 3.3.2 (windows)
Available Memory: 32772096 (64-bit)
Using Locale: zh_CN
已从 CGI 取得 SDK 的镜像下载 URL 地址.
SDK version Apache Flex SDK 4.16.1
AIR version 31.0
Flash Player version 31.0
正在创建 Apache Flex 主目录
正在创建临时目录
正在下载 Apache Flex SDK: http://mirrors.shu.edu.cn/apache/flex/4.16.1/binaries/apache-flex-sdk-4.16.1-bin.zip
正在验证 Apache Flex SDK 的 MD5 签名
所下载文件的 MD5 签名和 Apache Flex SDK 的官方签名一致, 此文件有效.
正在解压: D:\flare\temp\apache-flex-sdk-4.16.1-bin.zip
正在完成解压: D:\flare\temp\apache-flex-sdk-4.16.1-bin.zip
正在下载 Windows 版 Adobe AIR 运行时工具包: https://airdownload.adobe.com/air/win/download/31.0//AdobeAIRSDK.zip
正在验证已下载的文件: D:\flare/in/AdobeAIRSDK.zip
AIR SDK download failed
安装中止: http://flex.apache.org/track-installer.html?failure=true&label=Apache Flex SDK 4.16.1&version=4.16.1&os=windows&installerversion=3.3.2&info=&info=AIR%20SDK%20download%20failed