npm ERR! code 128
npm ERR! An unknown git error occurred
npm ERR! command git --no-replace-objects ls-remote ssh://git@github.com/*****.git
npm ERR! Permission denied (publickey).
npm ERR! fatal: Could not read from remote repository.

# 1.先配置
[root] git config --global url."https://".insteadOf git://
# 2.然后install
# 3.如果提示raphael有问题，在执行下面这条命令
[root] git config --global url."git://".insteadOf https://
# 4.再次install
[root] git config --global --list 
http.sslverify=false
url.https://.insteadof=git://
url.git://.insteadof=https://
# 5.如果删除node_modules后install出现raphael安装失败时,删除配置可以用以下配置，重新install试一下
git config --global --remove-section url.https://