How to setup proxy settings for Chromedriver

package main

import (
    "fmt"
    "github.com/sclevine/agouti"
    "log"
)

func main() {

    driver := agouti.ChromeDriver(
        agouti.ChromeOptions("args", []string{
            "--headless",
            "--disable-gpu",
            "--no-sandbox",
            "--hide-scrollbars",
            "blink-settings=imagesEnabled=false",
            "--disable-dev-shm-usage",
            "--disable-extensions",
        },
        ),
        agouti.Debug,

    )

    proxys := agouti.ProxyConfig{
        ProxyType:          "pac", //All type -> {direct|manual|pac|autodetect|system}
        ProxyAutoconfigURL: "http://127.0.0.1:1080/pac?t=0000&secret=xxx", //This is Your Shadowsocks local pac url
    }

    capabilities := agouti.NewCapabilities().Browser("chrome").Proxy(proxys).Without("javascriptEnabled")

    err := driver.Start()
    if err != nil {
        log.Printf("Failed to start driver: %v", err)
    }

    page, err := driver.NewPage(agouti.Desired(capabilities))
    if err != nil {
        log.Printf("Failed to open page: %v", err)
    }

    err = page.Navigate("https://www.google.com")
    if err != nil {
        log.Printf("Failed to navigate: %v", err)
    }

    html, err := page.HTML()
    fmt.Printf (html)
    fmt.Printf("\n")

    fmt.Printf(page.Title())
    fmt.Printf("\n")
}

Shadowsocks local pac url