After the Android phone is updated, it prompts "Unauthorized, unable to establish connection" when connecting

Some devices will prompt "Unauthorized, unable to establish connection" after the update

The solution can be solved as follows:

Open the phone settings APP->Search for VPN->Find HaiYan Accelerator (long press to edit or click the gear icon next to it)

Delete or cancel the saved network configuration

Reopen HaiYan APP to connect and authorize;