尝试storage.googleapis.com时出现证书错误

我正在尝试在我的centos机器上安装golang。我在我的forticlient vpn上安装了这个centos机器。 这是我正在尝试

wget https://storage.googleapis.com/golang/go1.7.linux-amd64.tar.gz 

它抛出我的错误

 --2017-09-26 22:55:10-- https://storage.googleapis.com/golang/go1.7.linux-amd64.tar.gz Resolving storage.googleapis.com (storage.googleapis.com)... 172.217.26.80, 2404:6800:4003:80d::2010 Connecting to storage.googleapis.com (storage.googleapis.com)|172.217.26.80|:443... connected. ERROR: cannot verify storage.googleapis.com's certificate, issued by '/C=US/ST=California/L=Sunnyvale/O=Fortinet/OU=Certificate Authority/CN=FG100D3G16834071/[email protected]': Self-signed certificate encountered. To connect to storage.googleapis.com insecurely, use `--no-check-certificate'