1. Add the function of pre-synthesis. When the mouse hovers over items that meet the conditions, press ctrl to summon the button and spend coins to synthesize in advance. At the same time also updated the synthesis of relevant teaching video.
2. In the battle interface, the Button is added to the upper right corner.
3. Adjust the shape and position of the button. In the large map and battle interface, the button is in the upper right corner.