我已经在Postman中使用监视功能运行了请求的收集。因此，我已经在网站上运行了该集合，一段时间后，控制台日志中出现了错误：

18:47:35Preparing run.
18:47:35Running...Hide run logs
Line Number Timestamp   Console Output
1   18:47:35    SMOKE APP GW part 2 started
2   18:47:35    Get 'auth token' A
3   18:47:35    POST http://watch.test.com/app-gw/sandbox/login
4   18:49:45    Error: connect ETIMEDOUT 10.91.4.57:80
5   18:49:45    JSONError: Unexpected token u in JSON at position 0
6   18:49:45    JSONError: Unexpected token u in JSON at position 0
7   18:49:45    Get all services A
8   18:49:45    GET http://watch.test.com/app-gw/services?Authorization=6abbd51ee77c2112cce5b59587c7251c
9   18:51:56    Failed: Status code is 200
10  18:51:56    expected { Object (id,_details,...) } to have property 'code'
11  18:51:56    Failed: Check the name of using service
12  18:51:56    object tested must be an array,a map,an object,a set,a string,or a weakset,but undefined given
13  18:51:56    Failed: Response time is less than 2000ms
14  18:51:56    expected undefined to be a number or a date
15  18:52:35    SMOKE APP GW part 2 finished
16  18:52:35    Error: callback timed out
18:52:35Run failed.

如何调试此问题？