启动爬虫后，爬取了一部分文章就会报错，是因为传入参数不正确的原因吗

爬子标签新闻时，我每次返回的json数据基本都是一样的，你有遇到这种问题吗？

能帮看看吗
DEBUG: Retrying <GET https://www.toutiao.com via http://localhost:8050/render.html> (failed 1 times): Connection was refused by other side: 10061: 由于目标计算机积极拒绝，无法连接。.

知乎登录时返回403错误码，登录好像做得更复杂了

$ scrapy crawl tt
2018-10-19 15:01:15 [scrapy.utils.log] INFO: Scrapy 1.5.1 started (bot: toutiao)
2018-10-19 15:01:15 [scrapy.utils.log] INFO: Versions: lxml 4.2.3.0, libxml2 2.9.8, cssselect 1.0.3, parsel 1.5.0, w3lib 1.19.0, Twisted 18.7.0, Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 05:52:31) - [GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)], pyOpenSSL 18.0.0 (OpenSSL 1.1.0h 27 Mar 2018), cryptography 2.3, Platform Darwin-18.0.0-x86_64-i386-64bit
2018-10-19 15:01:15 [scrapy.crawler] INFO: Overridden settings: {'BOT_NAME': 'toutiao', 'COOKIES_ENABLED': False, 'DOWNLOAD_DELAY': 3, 'DUPEFILTER_CLASS': 'scrapy_splash.SplashAwareDupeFilter', 'HTTPCACHE_STORAGE': 'scrapy_splash.SplashAwareFSCacheStorage', 'NEWSPIDER_MODULE': 'toutiao.spiders', 'REDIRECT_ENABLED': False, 'SPIDER_MODULES': ['toutiao.spiders']}
2018-10-19 15:01:15 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
'scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.memusage.MemoryUsage',
'scrapy.extensions.logstats.LogStats']
2018-10-19 15:01:15 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
'scrapy.downloadermiddlewares.retry.RetryMiddleware',
'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
'scrapy_splash.SplashCookiesMiddleware',
'scrapy_splash.SplashMiddleware',
'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
'scrapy.downloadermiddlewares.stats.DownloaderStats']
2018-10-19 15:01:15 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
'scrapy_splash.SplashDeduplicateArgsMiddleware',
'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
'scrapy.spidermiddlewares.referer.RefererMiddleware',
'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
'scrapy.spidermiddlewares.depth.DepthMiddleware']
2018-10-19 15:01:15 [scrapy.middleware] INFO: Enabled item pipelines:
['toutiao.pipelines.ToutiaoPipeline']
2018-10-19 15:01:15 [scrapy.core.engine] INFO: Spider opened
2018-10-19 15:01:15 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2018-10-19 15:01:15 [scrapy.extensions.telnet] DEBUG: Telnet console listening on 127.0.0.1:6023
2018-10-19 15:01:16 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET https://www.toutiao.com via http://localhost:8050/render.html> (failed 1 times): Connection was refused by other side: 61: Connection refused.
2018-10-19 15:01:19 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET https://www.toutiao.com via http://localhost:8050/render.html> (failed 2 times): Connection was refused by other side: 61: Connection refused.
2018-10-19 15:01:23 [scrapy.downloadermiddlewares.retry] DEBUG: Gave up retrying <GET https://www.toutiao.com via http://localhost:8050/render.html> (failed 3 times): Connection was refused by other side: 61: Connection refused.
2018-10-19 15:01:23 [scrapy.core.scraper] ERROR: Error downloading <GET https://www.toutiao.com via http://localhost:8050/render.html>
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/scrapy/core/downloader/middleware.py", line 43, in process_request
defer.returnValue((yield download_func(request=request,spider=spider)))
twisted.internet.error.ConnectionRefusedError: Connection was refused by other side: 61: Connection refused.
2018-10-19 15:01:23 [scrapy.core.engine] INFO: Closing spider (finished)
2018-10-19 15:01:23 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/exception_count': 3,
'downloader/exception_type_count/twisted.internet.error.ConnectionRefusedError': 3,
'downloader/request_bytes': 1818,
'downloader/request_count': 3,
'downloader/request_method_count/POST': 3,
'finish_reason': 'finished',
'finish_time': datetime.datetime(2018, 10, 19, 7, 1, 23, 667284),
'log_count/DEBUG': 4,
'log_count/ERROR': 1,
'log_count/INFO': 7,
'memusage/max': 58916864,
'memusage/startup': 58912768,
'retry/count': 2,
'retry/max_reached': 1,
'retry/reason_count/twisted.internet.error.ConnectionRefusedError': 2,
'scheduler/dequeued': 4,
'scheduler/dequeued/memory': 4,
'scheduler/enqueued': 4,
'scheduler/enqueued/memory': 4,
'splash/render.html/request_count': 1,
'start_time': datetime.datetime(2018, 10, 19, 7, 1, 15, 822066)}
2018-10-19 15:01:23 [scrapy.core.engine] INFO: Spider closed (finished)

这个是为什么呀

可以和您交流一下知乎爬虫的相关问题嘛

你好，请问爬取大众点评评论的时候总是跳转到验证中心或者显示页面不存在，这个问题该怎么解决呢？