进页面聚焦到第一个搜索框中，默认使用ctrl+q可手动触发，可自定义快捷键
当前为
自动聚焦第一个input框，默认可以使用 ctrl + q 触发自动聚焦，快捷键可修改
automaticly focus on first input box, manually trigger with shortcut keys ctrl q (can be modified on the settings)
the browser will scroll the element into view after focusing it,if this is set to false/否, no scrolling will occur.
设置快捷键
Set shortcut keys
