go get 遇到的报错，求帮助

HI 各位 报错如下： # cd .; git clone https://gopkg.in/mgo.v2 /root/go/src/gopkg.in/mgo.v2 Cloning into '/root/go/src/gopkg.in/mgo.v2'... error: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version while accessing https://gopkg.in/mgo.v2/info/refs fatal: HTTP request failed package gopkg.in/mgo.v2: exit status 128 求帮助