如何以编程方式更改safari设置

tell application "Safari"
    activate
    tell front window
        set current tab to (make new tab with properties {URL:"about:blank"})
        set URL of current tab to "https://www.example.com"
    end tell
    -- 打开设置对话框
    tell application "System Events"
        tell process "Safari"
            click menu item "偏好设置" of menu "Safari" of menu bar item "Safari" of menu bar 1
        end tell
    end tell
    delay 1
    -- 更改代理设置
    tell application "System Events"
        tell process "Safari"
            tell window "偏好设置"
                select tab "高级"
                tell group 1
                    tell checkbox "在菜单栏中显示‘开发’菜单"
                        set checked to true
                    end tell
                end tell
            end tell
        end tell
    end tell
    -- 关闭设置对话框
    tell application "System Events"
        tell process "Safari"
            click button "好" of window "偏好设置"
        end tell
    end tell
end tell