Why wasn't the little girl killed by the wolf at the end of Kill the Wolf 2?

There are no wolves in Bangkok. The wolf is actually a girl's inner fear. Her father taught her how to face her fear, so the girl overcame her fear and stayed in Jason Wu for three years. Finally, she was treated and grew up.

Plot:

Kill Wolf 2 is a crime suspense film jointly produced by Sun Entertainment Culture, Yindu Agency Co., Ltd. and Bona Film Group. The film is directed by Zheng Baorui, starring Jason Wu, Tony Jaa, Max Zhang and Yam Tat-wah, with Louis Koo as the special star.

The film is set in the undercover criminal group of Hong Kong agents, and mainly tells the story of a series of police-bandit fights between a prison guard, Cai, who is eager to save her daughter, and an agent, Zhijie, who is bent on promoting justice.