Ionic start new-project don't work when no network

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when i use “Ionic start new-project”
this cli will download

? What starter would you like to use: tabs
[INFO] Fetching app base
(https://github.com/ionic-team/ionic2-app-base/archive/master.tar.gz)
√ Downloading - done!
[INFO] Fetching starter template tabs
(https://github.com/ionic-team/ionic2-starter-tabs/archive/master.tar.gz)
These resources can save in my computer cache ? when i start new project,it use cache resources, no cache it will download

if i have no network ionic start new-project don`t work
I wish it also use cache resources when no network