collect personal privacy beyond the scope, and the involved app shall be rectified in time after being named. The law is becoming more and more perfect, and citizens' privacy sensitivity is becoming stronger and stronger. App should take advantage of the trend. Do not abide by laws and regulations, do not protect users' rights and interests, do not know self-discipline, and will be abandoned by users sooner or later. Whenever and wherever app collects personal information, it must follow the principles of legality, legitimacy and necessity&# 8203;&# 8203;&# 8203;&# 8203;&# 8203;&# 8203;&# 8203;