Web scraper cloud fail to scrape data

I exported my sitemaps from Google chrome extension (works well), and imported these sitemaps to my Web Scraper cloud, which should work the same as the extension. But for some reason, the web scraper cloud started the scraping job but had much less records scraped (close to 0) than it supposed to be. (1 record for each page scrapped) Can anyone tell me how to fix this issue?

@shengli1031 Would you be able to provide us with your sitemap so we can take a look at what might be the possible cause?