我有这个功能:funcshowwAndHideFilterMenu(category:Int){ifshowFilterMenu==false{UIView.animate(withDuration:0.6,delay:0,options:.curveEaseInOut,animations:{self.filterView.isHidden=falseself.showFilterMenu=true}){(isCompleted)in}}else{UIView.animate(withDuration:0.6,delay:0,options:.curveEaseInOut,anima