9.21 Upgrade

• Coop mode now uses auto battle data, enemies will follow formation

• Copp difficulty increase per player is reduced

• Limited auto battle ship amount to 20

• Optimized terrain and ship destruction

• Ships now explode spectacularly upon death

• Reduced difficulty of last tutorial

• Reduced boomerang projectile weight

• Increased Maintenance Unit's target switch speed and reduced its healing speed

• Fixed boomerang being stuck

• Fixed ship list going over screen limit

• Fixed disconnect popup showing up

• Fixed some reflective textures

• Fixed info on minelayer

• Fixed unnecessary revenge option during challenge

合作敌人改自动战数据，敌人会保持阵型前进

降低合作模式增加玩家数量时的难度

自动战斗限制飞船出战数量为20艘 大幅度优化破坏地形和破坏飞船时的效率 增加飞船死亡时方块炸开效果 降低新手教学最后一波敌人的难度 降低回旋镖重量 增加维修器治疗时间间隔，减少切换目标时间间隔(克制大量小飞船策略)

回旋镖卡住敌方飞船bugfix 飞船牌排版超出屏幕bugfix 有时候提示网络断开bugfix 修正部分反光材质效果错误 地雷弱点说明修正 挑战玩家时去掉多余的复仇按钮