I'm trying to write a web scraper application that grabs a few web pages and parses data out. The one site I've been using works fine with the KeepAlive property set to true and the connection will ...

最近再和一家第三方webAPI 做对接，postman测试返回一切正常，但是用代码发送请求一直返回超时中断，哪个大佬遇见过？能给指点下吗？？感谢！！！