➜ ky curl -I
https://i1.mifile.cn/f/i/2018/mi8/summary/gps.jpgHTTP/2 200
date: Thu, 31 May 2018 10:35:49 GMT
content-type: image/jpeg
content-length: 974932
expires: Thu, 31 Dec 2037 23:55:55 GMT
access-control-expose-headers: content-md5, upload-time, x-xiaomi-meta-content-length
access-control-allow-headers: DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization,Content-MD5,x-xiaomi-date
last-modified: Thu, 31 May 2018 05:55:02 GMT
access-control-allow-methods: GET, POST, PUT, HEAD, DELETE, OPTIONS
access-control-max-age: 1728000
access-control-allow-credentials: true
content-md5: 19f0b3c4adcdfd0e51ef1e90fdf4ef74
x-cacheable: MI-STATIC
server: MIFE/3.0
age: 1
x-via: 1.1 PShnxxdx4ej32:1 (Cdn Cache Server V2.0), 1.1 PSshzjdxdt21:6 (Cdn Cache Server V2.0)
x-dscp-value: 0