老师，为什么会一直显示握手失败啊，而且代码也没有运行下去

import scrapy
from ..items import BiliItem
import time
from scrapy_redis.spiders import RedisSpider

class AppSpider(scrapy.Spider):
    name = "app"
    redis_key = 'app'
    # allowed_domains = ["www.bilibili.com"]
    # start_urls = ["https://search.bilibili.com/all?vt=18668812&keyword=python&from_source=webtop_search&spm_id_from=333.1007&search_source=5"]
    page = 30

    def __init__(self, *args, **kwargs):
        domain = kwargs.pop('domain', '')
        self.allowed_domains = filter(None, domain.split(','))
        super(AppSpider, self).__init__(*args, **kwargs)

    def parse(self, response):
        time.sleep(5)
        try:
            link = response.xpath('//div[@class="video-list row"]/div')
            for lin in link:
                lin_url = 'https:' + lin.xpath('.//div[@class="bili-video-card__wrap __scale-wrap"]/a/@href').get()
                yield scrapy.Request(url=lin_url, callback=self.lin_parse, dont_filter=True)

            new_url = f"https://search.bilibili.com/all?keyword=python&from_source=webtop_search&spm_id_from=333.1007&search_source=5&page=11&o={self.page}"
            print(new_url)
            self.page += 30
            print(self.page)
            yield scrapy.Request(url=new_url, callback=self.parse, dont_filter=True)
            print('进行翻页')

        except :
            print('end')

    def lin_parse(self, response):
        item = BiliItem()

        item['dianzhan'] = response.xpath('//div[@class="video-like video-toolbar-left-item"]/span/text()').get()
        item['toubi'] = response.xpath('//div[@class="video-coin video-toolbar-left-item"]/span/text()').get()
        item['shouchang'] = response.xpath('//div[@class="video-fav video-toolbar-left-item"]/span/text()').get()
        item['zhuanfa'] = response.xpath('//div[@class="video-share"]/span/text()').get()
        yield item





# bili-video-card__wrap __scale-wrap
# bili-video-card__wrap __scale-wrap
# bili-video-card__wrap __scale-wrap
# 详情页
# https://www.bilibili.com/video/BV19a411k7fw/?spm_id_from=333.337.search-card.all.click&vd_source=01d1cc167d01b5a7cfe6be617b3d6c6e

BOT_NAME = "bili"
SPIDER_MODULES = ["bili.spiders"]
NEWSPIDER_MODULE = "bili.spiders"


USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0"

ROBOTSTXT_OBEY = False
LOG_LEVEL = 'ERROR'

#SPIDER_MIDDLEWARES = {
#    "bili.middlewares.BiliSpiderMiddleware": 543,
#}

DOWNLOADER_MIDDLEWARES = {
   "bili.middlewares.BiliDownloaderMiddleware": 543,
}




ITEM_PIPELINES = {
   "bili.pipelines.BiliPipeline": 300,
   'scrapy_redis.pipelines.RedisPipeline': 400
}

DUPEFILTER_CLASS = 'scrapy_redis.dupefilter.RFPDupeFilter'
SCHEDULER = 'scrapy_redis.scheduler.Scheduler'
SCHEDULER_PERSIST = True

REDIS_URL = 'redis://127.0.0.1:6379'
DOWNLOAD_DELAY = 1

# Define here the models for your scraped items
#
# See documentation in:
# https://docs.scrapy.org/en/latest/topics/items.html

import scrapy


class BiliItem(scrapy.Item):
    dianzhan = scrapy.Field()
    toubi = scrapy.Field()
    shouchang = scrapy.Field()
    zhuanfa = scrapy.Field()
    pass

import time

from scrapy import signals
from itemadapter import is_item, ItemAdapter
from selenium import webdriver
from selenium.webdriver.chrome.service import Service




class BiliDownloaderMiddleware:
    # 启动浏览器，初始化cookies
    def __init__(self):
        self.sevice = Service(executable_path="D:/爬虫驱动/chromedriver.exe")
        self.driver = webdriver.Chrome(service=self.sevice)
        self.cookies = {}
# 如果cookies为空，那么发送请求获取cookies
    def process_request(self, request, spider):
        if self.cookies == {}:
            self.driver.get('https://www.bilibili.com/')
            self.driver.maximize_window()
            time.sleep(1)
            # 获取首页cookie
            cookies = self.driver.get_cookies()
            # 提取想要的cookie值
            dick = {cookie['name']: cookie['value'] for cookie in cookies}
            self.cookies = dick
            # print(self.cookies)

            time.sleep(1)
            self.driver.quit()
        # 如果cookies不等于空,那就加到request的cookies里面
        # 等于空就获取一遍
        request.cookies = self.cookies


        return None

# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html


# useful for handling different item types with a single interface
from itemadapter import ItemAdapter


class BiliPipeline:
    def process_item(self, item, spider):
        data = {
            'dianzhan': item['dianzhan'],
            'toubi': item['toubi'],
            'shouchang': item['shouchang'],
            'zhuanfa': item['zhuanfa']
        }
        print(data)
        return item