Is your feature request related to a problem? Please describe.
当通过学号筛选的时候，按回车键不起作用，只能通过鼠标再次点击跳转，不是非常用户友好。
Describe the solution you'd like
筛选的时候按回车键直接跳转，不需要鼠标点击。将回车焦点设置在filter按钮上。
Describe alternatives you've considered
Additional context
Further feature request above #9
