New version 1.0.20 update

1 join the new model arms race
2 join the new mode knife battle mode
3 melee weapon damage determination optimization
4 join daily rewards
5 AK47 for a new high-precision model
6 Add sensitivity to the opening mirror
7m107 damage increased
8 flame launcher damage weakened
9 parts of the weapon recoil adjustment, modify the recoil of the machine aim
10 join the invincible progress display
11 sensitivity setting maximum range is increased a little
12 Optimize game performance and operation
13 military factory parts box without collision repair
14 shotgun machine aiming rear seat adjustment
15 parts melee weapon damage adjustment
16 modify some game bugs