~$ gem sources --add https://gems.ruby-china.com/
Error fetching https://gems.ruby-china.com/:
SSL_connect returned=1 errno=0 state=error: certificate verify failed (https://gems.ruby-china.com/specs.4.8.gz)
暂无回复。
~$ gem sources --add https://gems.ruby-china.com/
Error fetching https://gems.ruby-china.com/:
SSL_connect returned=1 errno=0 state=error: certificate verify failed (https://gems.ruby-china.com/specs.4.8.gz)