The operation method is as follows:
1. When entering a team copy or a hero copy, in the copy CD information in the lower left corner of the game, you can see how long the system of the copy will be. Then refresh the copy of the CD.
2. Press the O key to open the social interface. Click on the team and team information in the interface to see the copy of the CD. By moving the mouse over the copy that entered the CD, you can also see which bosses have been killed. Bosses that have not been killed will still be rewarded if you continue to fight them.