Go+chromedp实现cf活动抢领

package main
 
import (
  "context"
  "github.com/chromedp/chromedp"
  "time"
)
 
func main() {
  //显示浏览器窗口
  allocctx, cancel := chromedp.NewExecAllocator(
    context.Background(),
  )
  defer cancel()
  //创建chromedp上下文实例
  ctx, cancel := chromedp.NewContext(allocctx)
  defer cancel()
  var err = chromedp.Run(ctx,
    //先登录，通过活动页面f12->network->search->xin->找到形如下面的url
    chromedp.Navigate(`https://xui.ptlogin2.qq.com/cgi-bin/xlogin?proxy_url=https://game.qq.com/comm-htdocs/milo/proxy.html&appid=21000124&target=top&s_url=https%3A%2F%2Fcf.qq.com%2F&style=20&daid=8`),
    //等待页面加载成功
    chromedp.Sleep(2*time.Second),
    //点击账号密码登录
    chromedp.Click(`switcher_plogin`, chromedp.ByID,chromedp.NodeVisible),
    //输入账号 这里selector无解，jspath可以
    chromedp.SendKeys(`document.querySelector("#u")`, "99746460",chromedp.ByJSPath),
    //输入密码
    chromedp.SendKeys(`document.querySelector("#p")`, "password",chromedp.ByJSPath),
    //点击登录
    chromedp.Click(`#login_button`),
    chromedp.Sleep(1*time.Second),
    //跳转到活动页面
    chromedp.Navigate("https://cf.qq.com"),
    //等待网页加载
    chromedp.Sleep(1*time.Second),
    //找到第二栏
    chromedp.Click(`body > div.wrap > div > div.mind > div.nav > a.t2`),
    //点击领取按钮
    chromedp.Click(`div.part02 > ul > li:nth-child(1) > a`),
  )
  if err != nil {
    panic(err)
  }
}