+---------------------------------------------+
| REQUEST |
+---------------------------------------------+
GET / HTTP/1.1
Host: heydon.com.cn
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Traceparent: 00-4cdf23e270898618f0bb417335a63dbe-a7d3603114ca75a2-01
Accept-Encoding: gzip
+---------------------------------------------+
| RESPONSE |
+---------------------------------------------+
HTTP/1.1 502 Bad Gateway
Connection: close
Content-Length: 556
Content-Type: text/html
Date: Thu, 01 Jan 2026 07:03:41 GMT
Server: openresty
502 Bad Gateway
502 Bad Gateway
openresty