Universal Links Clicking on the link will not jump to the app. I don’t know where the configuration is wrong.
The configuration in xocde is as shown below: 
Make sure you can get the link appl from the back of applinks e-app-site-association, this address is downloaded to the Jason file. The content of the
file is as follows: 
appid is: Prefix.ID
The following methods have been implemented in Appdelegate: 
Reference article:
http://strivingboy.github.io/blog/2015/09/27/ios9/
https://blog.branch.io/how-to-setup-universal-links-to-deep-link-on-apple-ios-9
PHP中文网2017-05-02 09:24:54
When the App is installed, it will first visit https://your-domain/.well-known/apple-ap... and download this file. If there is no such file in this location, 404 should be returned.
If it is not found above, the app will then visit https://your-domain/apple-app-site-assoc... and download it.
There cannot be a redirect in the above two locations, otherwise it will cause failure.
