爬取亚马逊的时候出现下面问题怎么解决，我连接了proxies pool但是感觉没起到作用，还有用了faker-agent-user也没有起什么作用，怎么解决这个问题

['Amazon.pipelines.AmazonGoodsPipeline']
2021-11-15 08:52:05 [scrapy.core.engine] INFO: Spider opened
2021-11-15 08:52:05 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2021-11-15 08:52:06 [scrapy.core.engine] DEBUG: Crawled (400) <GET https://www.amazon.com/s?k=nike&page=1> (referer: https://www.amazon.com/)
2021-11-15 08:52:06 [scrapy.spidermiddlewares.httperror] INFO: Ignoring response <400 https://www.amazon.com/s?k=nike&page=1>: HTTP status code is not handled or not allowed
2021-11-15 08:52:06 [scrapy.core.engine] INFO: Closing spider (finished)

你的请求头中是不是有字典，要将提交数据转化为json格式