《星辰之下：来自天空的声音与秘密》dnf二级密码怎么设置

　　Stranded in a foggy post apocalyptic, a father GIDEON and his son BLUE build a flying machine to see above the clouds. But Blue has lost faith in his father's crackpot dream. Their flying attempts are becoming too dangerous and he is sure there is nothing but cloud in the sky. So Blue hatches a plan to keep his father on the ground...