Because my fourth brother was raised by children, the relationship between mother and son is relatively unfamiliar. Besides, he didn't recognize his mother when he was a child. At the same time, when his mother killed Tong Jia Gui's child, Mei just came in. His mother thought he saw her kill, so she refused him all the time. Historically, Princess De didn't like the May 4th Movement very much, which is more in line with history.