Fetch the repository succeeded.
执行install.sh时，异常信息如下。
go build -o syncd_bin ./syncd/main.go
go: finding github.com/Unknwon/goconfig latest
go: finding gopkg.in/gomail.v2 latest
go: github.com/jinzhu/gorm@v1.9.14 requires
golang.org/x/crypto@v0.0.0-20191205180655-e7c4368fe9dd: unrecognized import path "golang.org/x/crypto" (https fetch: Get https://golang.org/x/crypto?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
make: *** [build] Error 1
