Does Zhixing train ticket software charge during use?

This is not a charge, this is fraud! Now the revision is more deceptive! I was cheated today, 20 yuan! It is the fee for the app to purchase the acceleration package. The acceleration package is hidden in the "speed of grabbing tickets". This is hidden and difficult to find. If you don't click, you can only see the speed of grabbing tickets, and if you click, you can only see the cost. You don't need to check the cost when you buy it, and the display of the cost is hidden when you pay the money, and you don't find the significance of the deduction to the user at all. That's cheating!

How to complain about this unscrupulous app?