obs studio 31.0.3

After the resolution exceeds 1920, when Studio mode is enabled, the preview and output are displayed abnormally 【来自中国玩家的反馈，请帮助我，预览画面的窗口缩放并不是等比例，存在显示问题】

Hello all ! I have been desperately trying to use OBS Studio but keep having the same problem : the "connect account" button is nowhere to be found when I try to put my stream key (cf picture). And therefore, I have no chat dock for example. I installed obs studio via the official website...