KeyError: 'Spider not found: zhihu_com'

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终端运行

scrapy crawl zhihu_com

报错

2018-08-15 16:55:23 [scrapy.utils.log] INFO: Scrapy 1.5.1 started (bot: zhihuCrawl)
2018-08-15 16:55:23 [scrapy.utils.log] INFO: Versions: lxml 4.1.1.0, libxml2 2.9.7, cssselect 1.0.3, parsel 1.5.0, w3lib 1.19.0, Twisted 18.7.0, Python 3.6.4 |Anaconda custom (64-bit)| (default, Jan 16 2018, 18:10:19) - [GCC 7.2.0], pyOpenSSL 17.5.0 (OpenSSL 1.0.2o  27 Mar 2018), cryptography 2.1.4, Platform Linux-4.14.47-1-MANJARO-x86_64-with-arch-Manjaro-Linux
Traceback (most recent call last):
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/spiderloader.py", line 69, in load
    return self._spiders[spider_name]
KeyError: 'zhihu_com'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/as/anaconda3/bin/scrapy", line 11, in <module>
    sys.exit(execute())
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/cmdline.py", line 150, in execute
    _run_print_help(parser, _run_command, cmd, args, opts)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/cmdline.py", line 90, in _run_print_help
    func(*a, **kw)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/cmdline.py", line 157, in _run_command
    cmd.run(args, opts)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/commands/crawl.py", line 57, in run
    self.crawler_process.crawl(spname, **opts.spargs)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/crawler.py", line 170, in crawl
    crawler = self.create_crawler(crawler_or_spidercls)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/crawler.py", line 198, in create_crawler
    return self._create_crawler(crawler_or_spidercls)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/crawler.py", line 202, in _create_crawler
    spidercls = self.spider_loader.load(spidercls)
  File "/home/as/anaconda3/lib/python3.6/site-packages/scrapy/spiderloader.py", line 71, in load
    raise KeyError("Spider not found: {}".format(spider_name))
KeyError: 'Spider not found: zhihu_com'

解决（代码纠正为）

scrapy crawl zhihu.com

注意爬虫名称应为Spider下name所对应的名称，而不是Spider文件的名称