Why did Erlang Shen say that Zhu Bajie was his savior in the prequel of Lotus Lantern?

When the Heavenly Court ordered the entire Yang family to be executed, Zhu Bajie was still Marshal Tianpeng and applied to kill the Yang Jian brothers and sisters with his own hands. However, he used the Aging Palm to cause the Yang Jian brothers and sisters to appear in a state of suspended animation. , and when they wake up, their bodies grow, allowing them to escape disaster. So if it weren't for Zhu Bajie, the Yang Jian brother and sister would have died long ago.