vnstudio-2.1.6 安装完后vnstation无法打开，使用 python -m vnstation 报错如下：
Traceback (most recent call last):
File "C:\vnstudio\lib\runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "C:\vnstudio\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\vnstudio\lib\site-packages\vnstation__main.py", line 4, in <module>
cli()
File "C:\vnstudio\lib\site-packages\click\core.py", line 829, in call
return self.main(args, kwargs)
File "C:\vnstudio\lib\site-packages\click\core.py", line 782, in main
rv = self.invoke(ctx)
File "C:\vnstudio\lib\site-packages\click\core.py", line 1236, in invoke
return Command.invoke(self, ctx)
File "C:\vnstudio\lib\site-packages\click\core.py", line 1066, in invoke
return ctx.invoke(self.callback, ctx.params)
File "C:\vnstudio\lib\site-packages\click\core.py", line 610, in invoke
return callback(args, kwargs)
File "C:\vnstudio\lib\site-packages\click\decorators.py", line 21, in new_func
return f(get_current_context(), *args, kwargs)
File "C:\vnstudio\lib\site-packages\vnstation\cli.py", line 15, in cli
run()
File "C:\vnstudio\lib\site-packages\click\core.py", line 829, in call
return self.main(args, kwargs)
File "C:\vnstudio\lib\site-packages\click\core.py", line 782, in main
rv = self.invoke(ctx)
File "C:\vnstudio\lib\site-packages\click\core.py", line 1066, in invoke
return ctx.invoke(self.callback, ctx.params)
File "C:\vnstudio\lib\site-packages\click\core.py", line 610, in invoke
return callback(args, **kwargs)
File "C:\vnstudio\lib\site-packages\vnstation\cli.py", line 20, in run
import vnstation.run
File "C:\vnstudio\lib\site-packages\vnstation\run.py", line 4, in <module>
from vnpy.trader.ui import QtGui, create_qapp
File "C:\vnstudio\lib\site-packages\vnpy\trader\ui\init__.py", line 11, in <module>
from .mainwindow import MainWindow
File "C:\vnstudio\lib\site-packages\vnpy\trader\ui\mainwindow.py", line 14, in <module>
from .widget import (
File "C:\vnstudio\lib\site-packages\vnpy\trader\ui\widget.py", line 19, in <module>
from ..engine import MainEngine
File "C:\vnstudio\lib\site-packages\vnpy\trader\engine.py", line 42, in <module>
from .setting import SETTINGS
File "C:\vnstudio\lib\site-packages\vnpy\trader\setting.py", line 30, in <module>
"database.timezone": get_localzone().zone,
File "C:\vnstudio\lib\site-packages\tzlocal\win32.py", line 93, in get_localzone
_cache_tz = pytz.timezone(get_localzone_name())
File "C:\vnstudio\lib\site-packages\tzlocal\win32.py", line 84, in get_localzone_name
raise pytz.UnknownTimeZoneError('Can not find timezone ' + tzkeyname)
pytz.exceptions.UnknownTimeZoneError: 'Can not find timezone '
