How to request https via proxy

[jun283]

this is my script:

res, err := goreq.Request{
	Method:   "GET",
	Timeout:  time.Second * 60,
	Insecure: true,
	Proxy:    "https://104.196.63.107:443",
	Uri:      "https://sprucefinance.com",
}.Do()
if err != nil {
	fmt.Println(err.Error())
	os.Exit(9)
}

fmt.Println(res.Status)

'

result:

Bad Request

Did i do something wrong? How to request https status via proxy?