tank gun

*提高了玩家在直接控制下的伤害倍率，以减少敌人趴在地上十分耐揍的问题；
取消了重型防空炮可以曲射的机制。
*Improved the damage multiplier of players under direct control to reduce the problem of enemies being very durable when lying on the ground;
The mechanism of heavy anti-aircraft guns being able to fire in a curved manner has been eliminated.