What does the Leifeng Pagoda mean 700 years after the end of The Legend of the White Snake?

I have seen someone say, "Su Zhen passed on the Millennium Way to Xiaoqing at the last minute, but Xiaoqing resisted. Xiaoqing was 500 years old at that time, and Su Zhen 1000 years old. In other words, Xiaoqing lived at least 800 years, that is to say, Su Zhen passed on her skills to Xiaoqing for 300 years, so in 700 years, Su Zhen consumed the rest of her way in the Leifeng Tower. " I finished reading it.