rechargeBtn.rx.tap.flatMapLatest({ [weak self] _ in
//            switch (self!.payTableDataSrouce[self!.seletedIndex].payMethod) {
//            case .wx:
//                print("wx")
//            case .ali:
//
//            }
            return AliPayApi.provider.requestAPI(.getRechargeFeeOrder(amount: Float(self!.moneyInput.text!)!, employeeId: "09")).mapMoyeResponseString()
        })
        
        self

report an error. What"s the problem?