There has been a timeout for Linux to visit the website.

problem description:

when developing java applications, you need to visit this website. Everything accesses normally on windows, and when deployed to a linux server, access timeout occurs

[root@VM_18_115_centos ~]-sharp wget "https://wap.zhengzhoubus.com/buswechat/WifiBusInterface/transfer/line!getLineAll.action"
--2018-10-26 21:16:22--  https://wap.zhengzhoubus.com/buswechat/WifiBusInterface/transfer/line!getLineAll.action
Resolving wap.zhengzhoubus.com (wap.zhengzhoubus.com)... 117.158.218.230
Connecting to wap.zhengzhoubus.com (wap.zhengzhoubus.com)|117.158.218.230|:443... ^C
[root@VM_18_115_centos ~]-sharp ping https://wap.zhengzhoubus.com
ping: unknown host https://wap.zhengzhoubus.com

I thought it was because https couldn"t access it, but I could visit Baidu"s https

[root@VM_18_115_centos ~]-sharp wget https://www.baidu.com
--2018-10-26 21:20:26--  https://www.baidu.com/
Resolving www.baidu.com (www.baidu.com)... 220.181.112.244, 220.181.111.188
Connecting to www.baidu.com (www.baidu.com)|220.181.112.244|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2443 (2.4K) [text/html]
Saving to:  "index.html" 

100%[===========================================================================================>] 2,443       --.-K/s   in 0s      

2018-10-26 21:20:27 (334 MB/s) -  "index.html"  saved [2443/2443]

[root@VM_18_115_centos ~]-sharp