我收到 [scrapy.core.scraper] 错误：蜘蛛错误处理 <GET https://www.zyte.com/blog/>

问：

我只是尝试了scrapy起始页中给出的示例代码来学习它，但是我尝试的每个网页都面临错误。不知道如何解决。

2023-11-04 07:14:14 [scrapy.core.scraper] ERROR: Spider error processing <GET https://www.zyte.com/blog/> (referer: None)
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/twisted/internet/defer.py", line 892, in _runCallbacks
    current.result = callback(  # type: ignore[misc]
  File "/usr/local/lib/python3.10/dist-packages/scrapy/spiders/__init__.py", line 79, in _parse
    return self.parse(response, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/scrapy/spiders/__init__.py", line 82, in parse
    raise NotImplementedError(
NotImplementedError: BlogSpider.parse callback is not defined