神奇的 China

买的阿里云机器，git clone 不下来，报错：

A TLS packet with unexpected length was received

摸不到头脑，Google 之，在 StackOverFlow 上面找到一个神奇的答案：

If you are in china,may be you should set proxy for git,for example

git config --global https.proxy 'socks5://127.0.0.1:9999'

竟然有效！