由于目标计算机积极拒绝，无法连接 about scrapy_ipproxypool HOT 1 OPEN

如题。
先贴上两张Log截图

以下是settings.py的所有配置，不确定是我配置的有问题，还是其他地方出了问题，只要运行起来，刚开始可以爬到一些代理IP并存入数据库里，然后就开始自动进入我自己的爬虫程序。

BOT_NAME = 'CommoditySpider'

SPIDER_MODULES = ['CommoditySpider.spiders']
NEWSPIDER_MODULE = 'CommoditySpider.spiders'


USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 Safari/537.36'

ROBOTSTXT_OBEY = True
DOWNLOAD_DELAY = 2

COOKIES_ENABLED = False

DEFAULT_REQUEST_HEADERS = {
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
    'Accept-Language': 'zh-CN,zh;q=0.8',
    'Accept-Encoding': 'gzip, deflate, br',
    'Content-Type': 'text/html;charset=UTF-8',
    'Cache-Control': 'no-cache',
}

ITEM_PIPELINES = {
    'CommoditySpider.aliexpresslines.pipelines.AliExpressPipeline': 300
}

AUTOTHROTTLE_ENABLED = True
AUTOTHROTTLE_START_DELAY = 3
AUTOTHROTTLE_MAX_DELAY = 60
AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0

HTTPCACHE_ENABLED = True
HTTPCACHE_EXPIRATION_SECS = 0
HTTPCACHE_DIR = 'httpcache'
HTTPCACHE_IGNORE_HTTP_CODES = []
HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

DOWNLOADER_MIDDLEWARES = {
    # 第二行的填写规则
    #  yourproject.myMiddlewares(文件名).middleware类

    # 设置 User-Agent
    'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware': 400,
}

# 默认使用 IP 代理池
if IF_USE_PROXY:
    DOWNLOADER_MIDDLEWARES = {

        # 第二行的填写规则
        #  yourproject.myMiddlewares(文件名).middleware类

        # 设置 User-Agent
        'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware': None,
        'proxyPool.scrapy.RandomUserAgentMiddleware.RandomUserAgentMiddleware': 400,

        # 设置代理
        'scrapy.contrib.downloadermiddleware.httpproxy.HttpProxyMiddleware': None,
        'proxyPool.scrapy.middlewares.ProxyMiddleware': 100,

        # 设置自定义捕获异常中间层
        'proxyPool.scrapy.middlewares.CatchExceptionMiddleware': 105,

        # 设置自定义重连中间件
        'scrapy.contrib.downloadermiddleware.retry.RetryMiddleware': None,
        'proxyPool.scrapy.middlewares.RetryMiddleware': 95,
    }```

可能是一些代理网站的 IP 都无效了，我近期花点时间优化下

from scrapy_ipproxypool.