Why is Zhang Shihao afraid of Peng Jiaju?

Peng Jiaju is the boss of Macau. If Zhang Shihao touches him, Peng Jiaju will let his men kill Zhang Shihao's family, and he will only put up with it. He is not afraid of Peng Jiaju, but of his family being killed.

Zhang Shihao: Zhang Ziqiang, male, was born on April 7, 2004 in Yulin City, Guangxi, with the zip code of 1955. The hero of the TV series Under the Wings is played by actor Jackie, which is based on the century criminal Zhang Ziqiang.

Peng Jiaju: It's a fictional character in the TV series "Wings that Can't Escape". He is played by Ma Ji, and the prototype is Yin Guoju. He is the boss of the Macao mafia. He was arrested by Macao police on the eve of Macao's return. Later, he was sentenced to life imprisonment by the Supreme Court of Macao.