1. Players can check the networking status first. You can set the phone to flight mode first, and then restart the phone to try surfing the Internet.

2. The installation package was not completely downloaded. It may be that the network is disconnected in the middle, or the background is switched, or the game of Altman and man called hero can be uninstalled and downloaded again.

3. There is a conflict between the old and new versions in front of the player. After uninstalling, you need to clean up the old version, and then download and install again.