Cache Rules URI equals not working

as image , when I write Cache Rules equals “/v” with not browser ttl

the curl output is

❯ curl -I https://8v9.de/v
HTTP/2 200
date: Tue, 07 Mar 2023 04:41:23 GMT
content-type: text/css
content-length: 5
last-modified: Tue, 07 Mar 2023 04:17:07 GMT
cache-control: max-age=31536000
cf-cache-status: HIT
age: 1123
accept-ranges: bytes
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ffTIJpP%2BcE5G2%2F6mF2aio6gZrWNPY2fe%2BXafRERX9%2FgPwCMowzsUrLLV%2Ft9hLR7dTFy6d%2FANVTzY1oxbw7XMoExpicuV35WiYAzi%2FpIg%2Fh6j8G6ctjqC9fg%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=7776000; includeSubDomains; preload
access-control-allow-origin: *
server: cloudflare
cf-ray: 7a402a7248b0bbcb-FRA
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

cache-control: max-age=31536000 in this

but when I just change equals to contains

❯ curl -I https://8v9.de/v
HTTP/2 200
date: Tue, 07 Mar 2023 04:42:30 GMT
content-type: text/css
content-length: 5
last-modified: Tue, 07 Mar 2023 04:22:40 GMT
cf-cache-status: HIT
age: 996
accept-ranges: bytes
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2BhHQnxUUBi5Eo017e7EtBmnES%2BkJ5yUUhzOLy%2BF471V6DwgVGYo8l8jmffmgRldzx0fcE2gxv6AvOwbspNwXPX4ZZoEeDIN2juTRso0Xd0BOMDQ%2B5%2Bbjy9Y%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=7776000; includeSubDomains; preload
access-control-allow-origin: *
server: cloudflare
cf-ray: 7a402c13d8935c26-FRA
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

cache-control not in this