const cloud = require('wx-server-sdk'); cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV }); const db = cloud.database(); exports.main = async (event, context) => {   const result = await db.collection('goods')     .skip(0)     .limit(10)     .get();   return {     dataList: result?.data,   }; }; 代码报错： Error: cloud.callFunction:fail Error: errCode: -504002 functions execute fail | errMsg: /var/user/fetchGoodsList/index.js:10   const dataList = result?.data;                           ^ SyntaxError: Unexpected token .     at createScript (vm.js:80:10)     at Object.runInThisContext (vm.js:139:10)     at Module._compile (module.js:607:28)     at Object.Module._extensions..js (module.js:654:10)     at Module.load (module.js:556:32)     at tryModuleLoad (module.js:499:12)     at Function.Module._load (module.js:491:3)     at Module.require (module.js:587:17)     at require (internal/module.js:11:18)     at Object.<anonymous> (/var/user/index.js:7:24) (callId: 1720536929057-0.2917830731559663) (trace: 22:55:29 start->22:55:30 system error (Error: errCode: -504002 functions execute fail | errMsg: /var/user/fetchGoodsList/index.js:10   const dataList = result?.data;                           ^ SyntaxError: Unexpected token .     at createScript (vm.js:80:10)     at Object.runInThisContext (vm.js:139:10)     at Module._compile (module.js:607:28)     at Object.Module._extensions..js (module.js:654:10)     at Module.load (module.js:556:32)     at tryModuleLoad (module.js:499:12)     at Function.Module._load (module.js:491:3)     at Module.require (module.js:587:17)     at require (internal/module.js:11:18)     at Object.<anonymous> (/var/user/index.js:7:24)), abort)     at R (<anonymous>:1:245532)     at <anonymous>:1:279974(env: Windows,mp,1.06.2405020; lib: 3.4.9)

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