我的Window Manager/Desktop环境有一些应用程序,其中有死键(例如,, ~, ö) are not working by default, when I press then, they sometimes doesn't show at all on key press, sometimes they don't have the expected behavior('‘+ 'e'=è)。不过,他们确实在一些应用程序上工作,比如在firefox上。如何使它们在所有应用程序中都能按预期工作?