学习scrapy爬虫，请帮忙看下问题出在哪

zou@zou-VirtualBox:~/qsbk$ tree.items.pyqsbknit__.py items.py pipelines.py settings.py spiders _init__.py qsbk_spider.py scrapy.cfg －－－－－－－－－－－－－－－－－－－－－－－－－vi items.py from scrapy.item import Item,Field class TutorialItem(Item): # define the fields for your item here like: # name = Field() pass class Qsbk(Item): title = Field() link = Field() desc = Field() －－－－－－－－－－－－－－－－－－－－－－－vi qsbk/spiders/qsbk_spider.py from scrapy.spider import Spider class QsbkSpider(Spider): name = "qsbk" allowed_domains = ["qiushibaike.com"] start_urls = ["http://www.qiushibaike.com"] def parse(self, response): filename = response open(filename, 'wb').write(response.body) －－－－－－－－－－－－－－－－－－－－－－－－然后我 scrapy shell www.qiushibaike.com 想先把网页取下来，再xpath里面的子节点（即一些内容）这个想法应该没错吧，但是到scrapy shell www.qiushibaike.com的时候网页内容就无法显示了，错误反馈：Python code?12345678910111213141516171819202122232425262728293031323334zou@zou-VirtualBox:~/qsbk$ scrapy shell http://www.qiushibaike.com/home/zou/qsbk/qsbk/spiders/qsbk_spider.py:1: ScrapyDeprecationWarning: Module `scrapy.spider` is deprecated, use `scrapy.spiders` instead from scrapy.spider import Spider2015-12-21 00:18:30 [scrapy] INFO: Scrapy 1.0.3 started (bot: qsbk)2015-12-21 00:18:30 [scrapy] INFO: Optional features available: ssl, http112015-12-21 00:18:30 [scrapy] INFO: Overridden settings: {'NEWSPIDER_MODULE': 'qsbk.spiders', 'SPIDER_MODULES': ['qsbk.spiders'], 'LOGSTATS_INTERVAL': 0, 'BOT_NAME': 'qsbk'}2015-12-21 00:18:30 [scrapy] INFO: Enabled extensions: CloseSpider, TelnetConsole, CoreStats, SpiderState2015-12-21 00:18:30 [scrapy] INFO: Enabled downloader middlewares: HttpAuthMiddleware, DownloadTimeoutMiddleware, UserAgentMiddleware, RetryMiddleware, DefaultHeadersMiddleware, MetaRefreshMiddleware, HttpCompressionMiddleware, RedirectMiddleware, CookiesMiddleware, ChunkedTransferMiddleware, DownloaderStats2015-12-21 00:18:30 [scrapy] INFO: Enabled spider middlewares: HttpErrorMiddleware, OffsiteMiddleware, RefererMiddleware, UrlLengthMiddleware, DepthMiddleware2015-12-21 00:18:30 [scrapy] INFO: Enabled item pipelines: 2015-12-21 00:18:30 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:60232015-12-21 00:18:30 [scrapy] INFO: Spider opened2015-12-21 00:18:30 [scrapy] DEBUG: Retrying (failed 1 times): [>]2015-12-21 00:18:30 [scrapy] DEBUG: Retrying (failed 2 times): [>]2015-12-21 00:18:30 [scrapy] DEBUG: Gave up retrying (failed 3 times): [>]Traceback (most recent call last): File "/usr/local/bin/scrapy", line 11, in sys.exit(execute()) File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 143, in execute _run_print_help(parser, _run_command, cmd, args, opts) File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 89, in _run_print_help func(*a, **kw) File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 150, in _run_command cmd.run(args, opts) File "/usr/local/lib/python2.7/dist-packages/scrapy/commands/shell.py", line 63, in run shell.start(url=url) File "/usr/local/lib/python2.7/dist-packages/scrapy/shell.py", line 44, in start self.fetch(url, spider) File "/usr/local/lib/python2.7/dist-packages/scrapy/shell.py", line 87, in fetch reactor, self._schedule, request, spider) File "/usr/lib/python2.7/dist-packages/twisted/internet/threads.py", line 122, in blockingCallFromThread result.raiseException() File "", line 2, in raiseExceptiontwisted.web._newclient.ResponseNeverReceived: [