How can let Cakephp don't clear view cache when related models changed?

How can let Cakephp don't clear view cache when related models
changed?

For example, I have a Food model and the follow views those use the
Food model:

/foods/index.ctp
/foods/list.ctp
/foods/view.ctp

I turn on view cache setting for all the three actions.

When someone request the url /foods/index or /foods/list，cakephp
generates cached files.

When someone request the url /foods/view，I update the click_count
column of the model Food. And, cakephp clear the previous cache files
automatic.

But I wanna save the cache files for 24 hours. I hope cakephp don't to
clear the cached files when related model changed (I just update the
model's click_count.) . How can I do it?

Thanks for some answers.

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