Why did Xue die in his hand?

The story about why Xue died at his hands is recorded in the legends of the Ming Dynasty. Xue returned to his hometown when he succeeded. When he saw a tiger on the road, he shot at it. Unexpectedly, Xue Dingshan was just playing in the mountains, so he shot Xue Dingshan. Xue has been blaming himself, and the fortune teller said: This arrow will definitely return in the future, but there are two results. In the opera, Xue was accidentally shot, but other endings were not like this. Xue died naturally.