我的云函数代码如下：

const cloud = require('wx-server-sdk');

cloud.init({ env: 'nfivecoffe-0gbqwn2x7ff0e7b2' });

const db = cloud.database();

// 云函数入口函数
exports.main = async (event, context) => {
    const { outTradeNo } = event;
    let resultAll = [];
    try {
        // 更新订单状态
        await db.collection("orderUser").where({
            pay_status: "wait",
            orderNumber: outTradeNo
        }).update({
            data: {
                pay_status: "订单完成"
            }
        });
        // 查询订单信息
        const res = await db.collection("orderUser").where({
            orderNumber: outTradeNo
        }).get();
        const order = res.data[0];
        if (!order) {
            return {
                errcode: 1,
                errmsg: "订单未找到",
            };
        }
        // 准备标签打印数据
        const allOrderGroups = order.orderGroups;
        const tempNowTemp = allOrderGroups.map(element => {
            const orderShuXingStr = element.orderShuXing.map(el => `#${el.value}`).join('');
            return {
                sumNum: element.orderNum,
                title: element.goodGroups.shopTitle,
                tuple: `(${orderShuXingStr})`,
                order: order.orderCode,
                time: order.subTime,
                price: element.priceAll,
                style: "小程序点单"
            };
        });
        // 准备小票打印数据
        const tupleInfoArray = allOrderGroups.map(element => {
            const orderShuXingStr = element.orderShuXing.map(el => `#${el.value}`).join('');
            return {
                tuple: orderShuXingStr,
                title: element.goodGroups.shopTitle,
                num: element.orderNum
            };
        });
        const printLabelObj = {
            payStyle: "小程序微信支付",
            time: order.subTime,
            ordercode: order.orderNumber,
            takecode: order.orderCode,
            info: tupleInfoArray,
            price: order.order_price,
            phone: order.phone,
            name: order.userName,
            remarks: order.orderRemarks
        };
        // 标签打印
        const printBiaoQianResult = await cloud.callFunction({
            name: 'printBiaoQian',
            data: {
                allOrder: tempNowTemp
            }
        });
        resultAll.push({ name: "标签打印", value: printBiaoQianResult.result });
        // 小票打印
        const printerResult = await cloud.callFunction({
            name: 'printer',
            data: {
                payStyle: printLabelObj.payStyle,
                time: printLabelObj.time,
                ordercode: printLabelObj.ordercode,
                takecode: printLabelObj.takecode,
                info: printLabelObj.info,
                price: printLabelObj.price,
                phone: printLabelObj.phone,
                name: printLabelObj.name,
                remarks: printLabelObj.remarks
            }
        });
        resultAll.push({ name: "小票打印", value: printerResult.result });
        // 返回指定格式的对象
        return {
            errcode: 0,
            errmsg: "支付处理完成",
            resultAll: resultAll,
        };
    } catch (error) {
        console.error("支付处理出错", error);
        return {
            errcode: 500,
            errmsg: "支付处理出错",
            resultAll: resultAll
        };
    }
};