1、接口pending 状态值
https://www.cnblogs.com/Wayou/p/chrome-request-stalled-problem.html
2、排查耗费时间主要消耗时间的阶段
http://fex.baidu.com/blog/2015/01/chrome-stalled-problem-resolving-process/
3、取日志
chrome://net-internals/#events
4、查看日志
https://blog.csdn.net/weixin_35676444/article/details/112230093
