When Sanzang and his disciples arrived in zenrinji, Zhenhai, what delayed Sanzang from getting water three days after his death?

When Sanzang arrived in zenrinji, Zhenhai, he was delayed for three days because it was cold. According to relevant public information, after Sanzang and his disciples arrived in zenrinji, Zhenhai, the Tang Priest caught a cold and rested in zenrinji, Zhenhai for three days, which delayed Sanzang's arrival in zenrinji, Zhenhai for three days.