Excuse me, the next AE document presentation template was originally one minute. I want to increase each display time by ten seconds, and the total length should be increased to two or three minutes.

The quickest way is to choose this composition, right-click this composition and set it to 200.

Because it is a template, the extra time of each exhibition will affect the later synthesis. The quickest way is to extend the time above.

It may be stuck after adjustment, so it can be activated:

These two places.

Ask what you don't understand, and don't forget to adopt what you think is good ~!