git clone gitee.com 的项目报错：
git clone https://gitee.com/leonardodacn/pixiublog.git
Cloning into 'pixiublog'...
fatal: unable to access 'https://gitee.com/leonardodacn/pixiublog.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to gitee.com:443
是因为本机设置了代理的原因，取消带来即可。
unset http_proxy
unset https_proxy