What to do if the latency is high when playing Expedition China Server in the United States? Unlock method

The national game Expedition is a popular online game in the United States. It is a 2.5DMMORPG online game developed by Shenzhen Glacier Network. The game is based on the battle between immortals and demons after the first Conferred God War. The game includes several new systems such as world civilization, five elements cultivation, three souls system, national war system, etc.