Who named Qing Xue's "Sister Weather" in The Legend of the Sword?

/f？ ct=335675392。 baiduPostBrowser & ampsc=7739304746。 z=735274790。 PN = 0 & rn = 30 & Amplm = 0 & Baidu Post Bar has a word written by bar owners =% B9% C5% BD% A3% C6% E6% CC% B7 # 7739304746, which is said to be like a weather forecast, so the future is referred to by the weather. Because they are girls, some have added a sister or mother.