In the End of the World, I Have a Guild of All Heavens

I was hit by a car as soon as I crossed over, and as soon as I woke up, I was mentally ill on the spot by the doctor, who also had to perform an operation on me. Then not long after, the end of the world came, looking at the terrifying zombies outside the window. Please tell me what I should do to wait until the system appears and wait online. It's very urgent! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.