Javascript-cache-control setting CSS Force cache invalidation

I want to force my a.css file to be cached.
The way I use it is to modify Apcache's httpd.conf. The code is as follows:

LoadModule headers_module modules/mod_headers.soheader set cache-control "max-age=1000"

Debug Discovery Cache-control is set up correctly:

But it still doesn't work:

Ideally, it should return 200, then size is from cache.

Baffled ...

Reply content:

I want to force my a.css file to be cached.
The way I use it is to modify Apcache's httpd.conf. The code is as follows:

LoadModule headers_module modules/mod_headers.soheader set cache-control "max-age=1000"

Debug Discovery Cache-control is set up correctly:

But it still doesn't work:

Ideally, it should return 200, then size is from cache.

Baffled ...

Refresh the action is not the same result will be different, you compare:

Address bar Enter: read cache from disk cache with browser cache
f5/ctrl+r: In any case, it will be requested by the browser and returned 304 if the resource does not expire
Ctrl+f5: In any case will request to the browser, forcing the return of resources200

Thank you, you right-click on the Chrome Refresh button. You can also see the status upstairs.

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