一、The requested URL returned error: 403，curl returned status '22'.
1.在终端输入 \curl -sSL https://get.rvm.io | bash -s stable
报错如下：
如图
解决方案：https://www.jianshu.com/p/537c7c111ad5
二：curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to raw.gith
解决方案：https://blog.csdn.net/Just_do_it_HZF/article/details/121577715
