on run argv
    -- argv 是一个包含参数的列表
    set action to item 1 of argv
    if action is "dark" then
        tell application "System Events"
            tell appearance preferences
                set dark mode to true
            end tell
        end tell
    else if action is "light" then
        tell application "System Events"
            tell appearance preferences
                set dark mode to false
            end tell
        end tell
    else
        display dialog "未知的参数: " & action
    end if
end run