云函数本地调试可以用，但是上传了就报错 云函数报错 日志内容 Request ID: 2630a398-8b5e-487b-8d82-e42d95cd33a4 执行时间: 0ms内存使用: Zero KB 返回结果 (空) 日志 TypeError: Cannot read properties of undefined (reading 'toString') at writeRuntimeFile (/data/scf/frame/node16/runtime.js:65:37) at main (/data/scf/frame/node16/runtime.js:259:7) at Object.<anonymous> (/data/scf/frame/node16/runtime.js:268:1) at Module._compile (node:internal/modules/cjs/loader:1101:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10) at Module.load (node:internal/modules/cjs/loader:981:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) at node:internal/main/run_main_module:17:47 START RequestId: 2630a398-8b5e-487b-8d82-e42d95cd33a4 Init Report RequestId: 2630a398-8b5e-487b-8d82-e42d95cd33a4 Coldstart: 7ms (InitRuntime: 7ms InitFunction: 0ms) Memory: 256MB MemUsage: 0.00MB ERROR RequestId: 2630a398-8b5e-487b-8d82-e42d95cd33a4 Result: {"errorCode": -1, "errorMessage": "145 code exit unexpected", "statusCode": 443} END RequestId: 2630a398-8b5e-487b-8d82-e42d95cd33a4 Report RequestId: 2630a398-8b5e-487b-8d82-e42d95cd33a4 Duration: 0ms Memory: 256MB MemUsage: 0.000000MB //云函数代码 const sharp = require('sharp'); const fs = require('fs'); const path = require('path'); const cloud = require('wx-server-sdk'); cloud.init({     env: cloud.DYNAMIC_CURRENT_ENV }); const db = cloud.database(); const processImage = async (tempPath, savePath, targetSizeKB = 100) => {     const outputPath = path.join(savePath, `${Date.now()}.jpg`);     const maxSize = targetSizeKB * 1024;      try {         const metadata = await sharp(tempPath).metadata();         let quality = 80;         let buffer = await sharp(tempPath)             .flatten({                 background: '#ffffff'             }) // 移除透明背景             .jpeg({                 quality             })             .toBuffer();         while (buffer.length > maxSize && quality > 30) {             quality -= 10;             buffer = await sharp(buffer)                 .jpeg({                     quality                 })                 .toBuffer();         }         fs.writeFileSync(outputPath, buffer);         return outputPath;     } catch (err) {         return new Error(`图片处理失败: ${err.message}`);     } }; exports.main = async (event, context) => {     var cloudImgPath = processImage(event.img, event.path)     if (typeof (cloudImgPath) === String) {         return {             code: "100",             img: cloudImgPath,             msg: "success"         }     } else {         return {             code: "500",             img: cloudImgPath,             msg: "fail"         }     } }