How could I change the default port to some value else?

[HuXinjing]

I'm using a common device to prepare a RocketChat server, but it seems port 3000 has been occupied. How could I change the default port to some value else?

@rocket.chat/meteor:dsv: cache bypass, force executing 315ab22a9e4942b1
@rocket.chat/meteor:dsv:
@rocket.chat/meteor:dsv: > @rocket.chat/meteor@6.3.0-develop dev /data/lijiaxiang/codes/Rocket.Chat-develop/apps/meteor
@rocket.chat/meteor:dsv: > meteor --exclude-archs "web.browser.legacy, web.cordova"
@rocket.chat/meteor:dsv:
@rocket.chat/meteor:dsv: Can't listen on port 3000. Perhaps another Meteor is running?
@rocket.chat/meteor:dsv:
@rocket.chat/meteor:dsv: Running two copies of Meteor in the same application directory
@rocket.chat/meteor:dsv: will not work. If something else is using port 3000, you can
@rocket.chat/meteor:dsv: specify an alternative port with --port .
@rocket.chat/meteor:dsv: npm ERR! code ELIFECYCLE
@rocket.chat/meteor:dsv: npm ERR! errno 254
@rocket.chat/meteor:dsv: npm ERR! @rocket.chat/meteor@6.3.0-develop dev: meteor --exclude-archs "web.browser.legacy, web.cordova"
@rocket.chat/meteor:dsv: npm ERR! Exit status 254
@rocket.chat/meteor:dsv: npm ERR!
@rocket.chat/meteor:dsv: npm ERR! Failed at the @rocket.chat/meteor@6.3.0-develop dev script.
@rocket.chat/meteor:dsv: npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
@rocket.chat/meteor:dsv:
@rocket.chat/meteor:dsv: npm ERR! A complete log of this run can be found in:
@rocket.chat/meteor:dsv: npm ERR! /data/lijiaxiang/.npm/_logs/2023-09-07T04_52_49_813Z-debug.log
@rocket.chat/meteor:dsv: ERROR: command finished with error: command (/data/lijiaxiang/codes/Rocket.Chat-develop/apps/meteor) yarn run dsv exited (1)
@rocket.chat/meteor#dsv: command (/data/lijiaxiang/codes/Rocket.Chat-develop/apps/meteor) yarn run dsv exited (1)

Tasks: 33 successful, 34 total
Cached: 31 cached, 34 total
Time: 18.573s
Failed: @rocket.chat/meteor#dsv