https://codereview.stackexchange.com/questions/133450/scraping-after-login-using-scrapy
https://codereview.stackexchange.com/questions/133450/scraping-after-login-using-scrapy
https://github.com/GoTrained/Scrapy-Login/blob/master/scrapy_login/spiders/quotes.py
https://stackoverflow.com/questions/43068403/scrapy-login-with-captcha-failed
https://stackoverflow.com/questions/39137559/how-do-i-set-up-scrapy-to-deal-with-a-captcha
https://www.tutorialspoint.com/python_web_scraping/python_web_scraping_processing_captcha.htm
https://scrapingclub.com/blog/
https://geek-tips.github.io/articles/558563/index.html
https://webscraping.com/blog/Solving-CAPTCHA/
https://github.com/Rockyzsu/ScrapyBook/blob/c78edd1d616dc3192909a80ba3d42d59fc7d817d/charpter10_captcha/charpter10_captcha/spiders/login_captcha.py
http://scrapingauthority.com/2016/11/22/scrapy-login/
https://stackoverflow.com/questions/5850755/using-scrapy-with-authenticated-logged-in-user-session
https://codereview.stackexchange.com/questions/133450/scraping-after-login-using-scrapy
https://www.kite.com/blog/python/web-scraping-scrapy/
https://github.com/kiteco/kite-python-blog-post-code
https://www.programcreek.com/python/example/71435/scrapy.http.FormRequest
https://cn.bing.com/search?q=scrapy+login+&qs=n&sp=-1&pq=scrapy+login+&sc=8-13&sk=&cvid=4D730E3E0D8C43FC9866BF02E3925014&first=24&FORM=PORE