Cannot setting about parking position

[yayayilbx]

Dear all,
Have a good day!After from P3DV3 to V4,it have some problem with my GSX.Once the aircraft is to large for the gate which I select,I open the GSX current position setting,ever change cannot save,I can do nothing at this page.Except for this term,GSX work well at loading、fueling、follow me and so on....
My operation system is Window10 64bit with Chinese language,GSX work well with P3DV3 at this system.Attached picture for your reference,thanks.

[virtuali]

My operation system is Window10 64bit with Chinese language

This has been already discussed and answered on the forum, for example here:

http://www.fsdreamteam.com/forum/index.php/topic,16285.msg116280.html#msg116280

[yayayilbx]

Thank you sir.