What should I do if the lag is high when playing Perfect World 2 in the US?

The Chinese version of the game Perfect World 2 is a popular online game in the United States. Perfect World 2 is a 3D large-scale role-playing PC game developed and operated by Perfect World Games. Its original Element3D engine creates 3D movie mode images for players. Players who play the Chinese version of Perfect World 2 in the United States...