scrapy 爬取网页详细信息时出现KeyError: ‘item‘问题

在爬取租房信息时，当进入详细页面爬取时就会出现报错：

Traceback (most recent call last):
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\utils\defer.py", line 120, in iter_errback
    yield next(it)
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\utils\python.py", line 353, in __next__
    return next(self.data)
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\utils\python.py", line 353, in __next__
    return next(self.data)
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\core\spidermw.py", line 56, in _evaluate_iterable
    for r in iterable:
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\spidermiddlewares\offsite.py", line 29, in process_spider_output
    for x in result:
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\core\spidermw.py", line 56, in _evaluate_iterable
    for r in iterable:
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\spidermiddlewares\referer.py", line 342, in <genexpr>
    return (_set_referer(r) for r in result or ())
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\core\spidermw.py", line 56, in _evaluate_iterable
    for r in iterable:
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\spidermiddlewares\urllength.py", line 40, in <genexpr>
    return (r for r in result or () if _filter(r))
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\core\spidermw.py", line 56, in _evaluate_iterable
    for r in iterable:
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\spidermiddlewares\depth.py", line 58, in <genexpr>
    return (r for r in result or () if _filter(r))
  File "c:\users\yy\appdata\local\programs\python\python39\lib\site-packages\scrapy\core\spidermw.py", line 56, in _evaluate_iterable
    for r in iterable:
  File "D:\myScrapy\anjuwang_project\anjuwang_project\spiders\anjuke-hose.py", line 67, in _parse
    item = response.meta["item"]
KeyError: 'item'

这个问题应该是平台问题，在去其他爬取时都很正常