<img width="538" alt="image" src="https://user-images.githubusercontent.com/13341544/155454057-9755874b-f6ff-4bf2-955f-8b609240dd36.png"> <img width="1083" alt="image" src="https://user-images.githubusercontent.com/13341544/155454068-1aab0b73-9634-4ab4-ae06-ad27c2c13ab3.png"> The update method called in constructor is not suitable.