Base Survival Rules

The virus is raging and the apocalypse is coming, and human survival has become even more difficult. Can the survivor base really allow people to survive safely? Can it really save all mankind? What do everyone eat every day, and what secrets are hidden in the base? Is it really unsafe outside the base? Where should I go in the end? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.