HTTP/1.1 200 OK Date: Tue, 05 Jul 2022 15:11:58 GMT Content-Type: text/html; charset=utf-8 Content-Length: 0 Connection: keep-alive Server: Tengine Last-Modified: Thu, 07 Jan 2021 07:50:31 GMT ETag: "5ff6bd47-0" ip_network: 15.46 Accept-Ranges: bytes X-Ser: BC28_lt-henan-nanyang-1-cache-7, BC24_dx-lt-yd-zhejiang-huzhou-3-cache-8, BC228_US-California-santa-clara-1-cache-1, BC80_SG-singapore-singapore-21-cache-2, BC15_HK-xianggang-xianggang-36-cache-1