C36 upside-down

The whole morning I've been immersed in thinking, how can I pass the contract to Ling Qian without Ling Qian finding any clues at the same time? After thinking about it, I realized that only Ling Qian's secretary could complete this mission. If it was a bunch of documents, it would be normal for Ling Qian to just randomly sign it. I'll have to get close to her secretary, it seems