If you have a network connection problem with the game, please do the following operations:
1. Verify that you are connected to the network and the connection is stable. Sometimes the network will be overloaded or faulty, this on behalf of regardless of what the symbol is, the connection may be unstable. If you have this problem, please contact your network provider.
2. If you are using mobile phone network, please switch to Wifi. We recommend using Wifi or 3G / 4G connections to provide better connection quality.
3. You can also try to restart your device and then open the game.