Mac 可以使用 hammerspoon
加载以下脚本
local function English()
hs.keycodes.currentSourceID("com.apple.keylayout.ABC")
end

-- Handle cursor focus and application's screen manage.
function applicationWatcher(appName, eventType, appObject)
if (eventType == hs.application.watcher.activated) then
English()
end
end


appWatcher = hs.application.watcher.new(applicationWatcher)
appWatcher:start()