对不起，给您带来了麻烦。我们离中国最近的服务器位于日本。另外，一些软件如VPN或防火墙可以降低下载速度。有时也可能只是一天中的时间问题。
Sorry for the trouble. The closest server we have to China is located in Japan. Also, some software like VPN or a firewall can reduce download speeds. Sometimes it can also just be a matter of time of the day.
