If you are experiencing slow downloads or stagnation,try another node to retry the download
Because of IOS enhances the validation rules of enterprise developer certificates, IOS requires users to trust enterprise certificates manually in order to use them properly. By default, opening the installed game app is the case.
Click App to pop up the untrusted developer prompt box. Please remember the capital letter after the colon in the prompt box: P, cancel and enter the settings interface.
Turn on in turn: set up → general
Entry: Equipment Management
Find the corresponding enterprise application (the English name shown in the prompt box in the first step).
Click the "trust" button in the pop-up window. You can enjoy the game!