if (form.value.dataList !== undefined && form.value.dataList !== null && form.value.dataList.length > 0) { const totalDeductCommission = countTotal(form.value.refundList, 'deductCommission') // 重新计算退保扣款金额 if (props.statementType === 'Receivables') { const receivablesCommission = form.value.d.commission = countTotal(form.value.dataList, 'totalCommission') - totalDeductCommission // 初始化应收金额 const receivablesGrossProfit = receivablesCommission - countTotal(form.value.dataList, 'rebatePremium') // 初始化毛利金额 if (receivablesCommission === 0 && receivablesGrossProfit === 0) { ElNotification.error('请先完成应收对账后，再次尝试提交！') } } else if (props.statementType === 'Payables') { const payablesCommission = form.value.d.commission = countTotal(form.value.dataList, 'totalChannelCommission') - totalDeductCommission // 初始化应付金额 if (payablesCommission === 0) { ElNotification.error('请先完成应付对账后，再次尝试提交！') } } else { const postData = { policy: form.value.dataList, statement: form.value.d, refund: form.value.refundList } api.post('/statement/saveStatement', postData).then(() => { ElNotification.success('对账单保存成功') resolve() }).catch(() => { }) } } else { ElNotification.error('暂无对账单明细，请添加待对账保单！') }优化这段代码

&& form.value.dataList.length > 0) {
// Perform action
} else {
// Display error message
}