Login takes a long time,and sometimes fail

I am running on windows 10 x64,and I’ve got Fast internet connection (50MB).But it still cant establish a web session,even I try again.Sometimes it works,but it will take a very long time(5~10min,or more!).
Well,I am in China now,GFW could be a reason.But how can I do to improve this situation(without use VPN)?

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Hi Gamma-tec,

Try the troubleshooting steps in this section of the troubleshooting guide.

If nothing works, follow the steps here to generate your Debug Logs. Post them here, along with your Dxdiag/system specs.

Hi Gamma-tec,

We haven’t heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you’re still experiencing this issue, please try the suggestion that I mentioned above then post back here with the requested info.

If you need anything else, feel free to ask.