C585 Domineering Green Plum Vs Soft Bamboo Horse(211)

What did these words have to do with each other?

Su Jiujiu frowned as she stared at the drawing in confusion. She turned her head to look at the notification and then at the pattern on it.

It must have something to do with the complicated diagrams on the metal door.

In the second sentence, it was impossible to find any connection between the two