branch.io绕过app登录界面，如何在url处理之前处理延迟

I am using branch.io SDK in an ios App. We use it as a way to invite users to our app, and redirect them to a custom on-boarding screen when the branch link is present. One thing we've noticed is that there is a slight delay between when the app opens and when branch's handler is called.I am using branch.io SDK in an ios App. We use