Selenium配置2Captcha代理无法访问芬兰保险网站的问题求助

我现在碰到个棘手的问题：想用付费的2Captcha代理搭配Selenium访问芬兰的保险网站，这个代理用requests.get()测试完全没问题，但一放到Selenium里就失效了。

我已经做了这些排查动作：

• 手动验证过代理，确实能正常工作
• 尝试在ChromeOptions中添加了--proxy-server参数
• 没有弹出明确的错误提示，就是页面一直加载不出来

页面打开后显示的是这个错误（抱歉是克罗地亚语）：

下面是我写的最小可复现代码，大家可以帮忙看看哪里出问题了：

import requests
from selenium import webdriver
from selenium.webdriver.chrome.service import Service
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import time

# Proxy credentials
USERNAME = "your_username"
PASSWORD = "your_password"
PROXY_DNS = "your_proxy_ip:port"


def test_proxy():
    """Test if the proxy is working."""
    proxy_url = f"http://{USERNAME}:{PASSWORD}@{PROXY_DNS}"
    proxies = {"http": proxy_url, "https": proxy_url}

    try:
        response = requests.get("http://ip-api.com/json", proxies=proxies, timeout=10)
        print("Proxy Response:", response.json())
    except requests.RequestException as e:
        print("Proxy failed:", e)


def setup_driver():
    """Setup Selenium WebDriver with proxy."""
    chrome_options = webdriver.ChromeOptions()
    proxy = f"http://{USERNAME}:{PASSWORD}@{PROXY_DNS}"
    chrome_options.add_argument(f"--proxy-server={proxy}")

    driver = webdriver.Chrome(options=chrome_options)
    return driver


def test_website():
    """Test if Selenium can access the website."""
    driver = setup_driver()
    driver.get("https://www.if.fi/henkiloasiakkaat/vakuutukset/autovakuutus")

    try:
        WebDriverWait(driver, 10).until(
            EC.presence_of_element_located((By.TAG_NAME, "body"))
        )
        time.sleep(10)
        print("Page loaded successfully.")
    except:
        print("Failed to load the page.")

    driver.quit()


if __name__ == "__main__":
    test_proxy()  # Check if proxy works via requests
    test_website()  # Check if proxy works with Selenium

备注：内容来源于stack exchange，提问作者SolidOpt