(2) Backpack function, showing the props owned by the current player, silver coins, ingots, bound silver coins, and bound ingots. The backpack contains the items obtained by the character and the common currency in the game; the shop button can quickly buy medicines, return stones and random teleport stones; the sort button is to sort the backpack, sort the items according to the scarcity, and place them according to the order. Previously, the items were about precious. Common currencies include: gold coins, ingots, bound gold coins and bound ingots; ingots can be exchanged through recharge, and the exchange ratio is 1:100, that is, 1 yuan = 100 ingots; gold coins are purchased in the mall through ingots; bound gold coins and bound ingots are passed Recharge activities, daily activities, treasure hunts and other ways to obtain; the above several currencies correspond to different shopping malls, you can purchase different props to increase the character's combat power.