Ground Control Center.
It was now 22:40 PM, nearing midnight, but the place was still brightly lit.
They were remotely connected with experts at the Beijing Fifth Research Institute, discussing the issues with the lander.
Once the location of the two astronauts was confirmed and they were still alive, they definitely had to figure out a way to bring them back from the Moon, or at least to a space station.
Currently, Earth couldn't send any supplies to the Moon, there were plenty of rockets, but no landers and supplies.
The ascent stage of "Full Moon" was designed to accommodate a maximum of three people; the Skylight II mission in August involved two Chinese astronauts and one from America landing on the Moon.
But what if there were four people? According to the usual redundancy design of spacecraft, it should be enough, but they would still have to cut some weight.