What should I do if I frequently lose connection when playing World of Warcraft on my US PC? Are accelerators useful?

What should I do if the Chinese version of World of Warcraft is frequently disconnected when playing it on a US computer? Is the accelerator useful? In today's gaming world, World of Warcraft is undoubtedly a popular game, especially among Chinese players. As more and more overseas Chinese, students and business travelers want to be able to play in the United States...