Let You Go Out to Sea to Fish, and You Will Bring Back a Nuclear Submarine?

After traveling through time and becoming a fisherman, Jiang Xiaoyu accidentally activated a system! I thought I would make a fortune by fishing, but I didn't expect an accident to come first. Use the fishing net rewarded by the system to catch fish, and actually salvage a nuclear submarine? Using a precision fishing detector to catch fish, a large number of ocean detectors were caught? Jiang Xiaoyu: "I really just want to be a fisherman quietly!"