已禁用?
Sorry for answering in English because we’re not offering technical support with other languages.
Please take a look at China related.
It’s recommended connect through over Hong Kong or Taiwan servers for bypass the Great Firewall then you can try to combinate with Mudfish DNS Client but as you know we have barely methods to connect to China as poor nodes so if you doubt the Great Firewall I think there’s no many options for stabilize your RTT.