请教回调函数没有被调用如何解决
这是代码截图
“C:\Program Files\Python36\python.exe” D:/xuePython/stock_spider/stock_spider/main.py
2020-02-05 21:40:12 [scrapy.utils.log] INFO: Scrapy 1.8.0 started (bot: stock_spider)
2020-02-05 21:40:12 [scrapy.utils.log] INFO: Versions: lxml 4.4.2.0, libxml2 2.9.5, cssselect 1.1.0, parsel 1.5.2, w3lib 1.21.0, Twisted 19.10.0, Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18) [MSC v.1900 64 bit (AMD64)], pyOpenSSL 19.1.0 (OpenSSL 1.1.1d 10 Sep 2019), cryptography 2.8, Platform Windows-10-10.0.18362-SP0
2020-02-05 21:40:12 [scrapy.crawler