安装sass时引发错误

Question

我在我的系统上安装了ruby 2.3.3。现在，我正在尝试安装sass但是出现了以下错误：

C:\>gem -v
2.5.2

C:\>gem install sass
ERROR:  While executing gem ... (Errno::ENETRESET)
The connection has been broken due to keep-alive
e while the operation was in progress. - recvfrom(2)

有谁知道如何修复它？