Why did Zhu pretend to be a little novice monk and say that he was the murderer of his master?

Ah Zhu pretended to be a Shaolin monk to stop the Qing Dynasty, so as to help Mu Rongfu steal the Yijin Sutra.

It was the little novice monk around Master Xuan Ku who identified Qiao Feng as the teacher killer. Because Xuan Ku was scared to death by Xiao Yuanshan, and Feng Xiao and Xiao Yuanshan look very similar, even Xuan Ku himself admitted his mistake, not to mention the little novice monk around him.

These two young monks are not the same person.