Desert Island Survival, My System Is an Infrastructure Maniac

>After the car accident, I was bound to the desert island paradise system, and I was asked to survive tonight at the beginning. >Catching the sea, farming, and taming animals, I turned the uninhabited island into a holiday paradise. >Until the system releases the ultimate mission: "Prevent the island from sinking." >I just discovered that this island is actually the experimental site of advanced civilization. >And my mobile phone is recording the entire countdown to destruction.