selenium chrome 自动加载flash

#coding:utf-8
from selenium import webdriver
from selenium.webdriver.support.select import Select
from selenium.webdriver.chrome.options import Options
import time

def login():
    chromeOpitons = Options()
    prefs = {
        # "profile.managed_default_content_settings.images":1,
        # "profile.content_settings.plugin_whitelist.adobe-flash-player":1,
        "profile.content_settings.exceptions.plugins.*,*.per_resource.adobe-flash-player":1,
    }
    chromeOpitons.add_experimental_option('prefs',prefs)
    driver =webdriver.Chrome(chrome_options=chromeOpitons)
    driver.get("http://test.live.liXXXXng.com/#/login")
    time.sleep(5)
    # Sl = Select(driver.find_element_by_xpath('//*[@id="app"]/div[3]/select'))
    # Sl.select_by_value("test")
    # time.sleep(5)
login()