Update log 001: Bug fixes and optimizations!

[b]Hello everyone, I am the developer kt;[/b] I am very sorry that the bugs in the game have caused confusion to everyone. I will try my best to fix and update. [b]Optimization content:[/b] ----Remove the mouse click to use the resource icon, use the keyboard [1 2 3] corresponding operation to avoid accidental touch when the mouse is aimed at the zombie below ----Replace the gun change key with the space bar ----Fix the problem of shooting at the same time when purchasing from the vending machine ----The vending machine has been changed to press the C key after approaching to open ----The setting in battle has been changed to press the ESC key to open [b]The performance of some firearms has been enhanced[/b] ----Crossbow ----Laser launcher ----Electric crossbow ----Gatling ----Flamethrower ----Barrett The health of the frogman has been increased The rhythm of the defense mode has been optimized.