Midnight Part-Time Security Guard

Have you ever felt that although there are no people at some stations, there are always days when temporary security guards need to be recruited, and the wages are ridiculously high, with one day being half a month's wages for ordinary security guards, or even higher? The requirements for recruiting part-time security guards are even more outrageous, as they only look at your ID card information. I don't know if you have ever thought about it, maybe those part-time security guards are not for people to watch...