Why did Yu Zhide let Duan Qin sign the legal person change?

Yu Zhide asked Duan Qin to sign a legal person change because he put the money into his account and wanted to emigrate. After watching Yu Zhide transfer the money to his account, Duan Qin signed the materials to change the legal person. What Duan Qin values is the guarantee brought by Duan Qin's imagination. Yu Zhide received a short message from Lei, an immigration agent, reminding Yu Zhide that if he wants to take Duan Qin with him, he must prepare all the funds including the house payment as soon as possible. "ups and downs" is an emotional TV series in the urban workplace invested and produced by SMG Shangshi Film, Beijing Huamei Time and Space Culture Communication Co., Ltd. and Beijing Perfect Film Media Co., Ltd., directed by Huatao Teng, written by Bao Jingjing, and starring Zhang Jiayi, Bai Baihe, WangZhifei, David Wang and Yano KO JI. The drama tells the story that Li Qiao, Seth's administrative assistant, decided to resign from Cheng Yiqun, the president, after feeling frustrated, and then transferred to Seth's sales department, and signed a large bill of 700 million dollars for Jingtong Electronics.