How did Yu in The Biography of Chu Qiao come back to life after being moved to an icy lake?

Some people say that Yu's father saved him, because his grandfather knew that Yu would be doomed, and if it was inconvenient for him to save, he would definitely ask his father to save him. Some people say that it was saved by No.9, because according to the plot of the novel, No.9 broke the ice with his head to save the childe, and No.9 bled to death, while others say that it was saved by No.7.

Yu, the hero of the TV series Chu Qiao Chuan, is played by.

He is the leader of spy paper eye, the king of Qinghai who uses broken moon sword and ice arrow, and deeply loves Chu Qiao.

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I am the son of Yu, with both wisdom and courage, and strong martial arts. He saved Chu Qiao from a hunting ground and trained her to be a spy. In the process of getting along, I gradually fell in love with Chu Qiao.

Three years in the frontier, the Chang 'an mutiny and the Battle of Hongchuan City, witnessed the displacement and devastation of the people, and finally established their own beliefs, seeking peaceful ways to stop the war and release slaves. Finally, due to several arrows in his body, he sank into the ice lake, and his life and death were unknown.