Unable to sync via Dropbox. Every time I enter the authorization code and submit it, I'm prompted to

[ninetyninelines]

Operating system

Windows

Joplin version

3.4.12

Desktop version info

Joplin 3.4.12 (prod, win32)

设备：win32, Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz
客户端 ID: f3ec817abfe54febb9f756de8aaa96be
同步版本：3
配置档案版本：48
支持的密钥链：是
替代性实例 ID: -

修订：e9a9f68

Backup: 1.4.3
Freehand Drawing: 3.1.0

Sync target

Dropbox

What issue do you have?

After researching on the forum, I suspect that the inability to sync is likely related to TGW and VPN. However, since there is no option to go back to the previous level, I cannot try other synchronization methods that have proven successful for other users in China.

Screenshots

[_vg]

@ninetyninelines

there is no option to go back to the previous level

Do you mean you cannot select any other sync target than Dropbox? Do you still have this issue after closing and reopening the app?

[dpoulton]

@ninetyninelines welcome to the forum

@ninetyninelines

... since there is no option to go back to the previous level, I cannot try other synchronization methods ...

If you want to change to a different synchronisation target you can go to Tools > Options > Synchronisation and change it.

[ninetyninelines]

Thanks for your response! I have tried reopenning before, finally I was able to fix this problem by using the toolbar.

[ninetyninelines]

Thank you for your help and detailed demonstration！