Indignation

When Song Yiren saw the piece of paper in Zhan Yihan's hand, her hand trembled involuntarily and panic washed over her. He actually managed to figure it out. What should I do?

Wang Meizhen stepped forward and curiously looked at the letter then looked carefully at the words on the piece of paper, "The handwritings look different. How did you figure it out?" Although she was illiterate, she could still tell that the words looked different.