// 云函数入口文件 const cloud = require('wx-server-sdk')   cloud.init()   // 云函数入口函数 exports.main = async (event, context) => {   try {     const result = await cloud.openapi.security.msgSecCheck({       content: event.text     })     // { errCode: 0, errMsg: 'openapi.templateMessage.send:ok' }     return result   } catch (err) {     // 错误处理     // err.errCode !== 0     throw err   } }

Uncaught (in promise) Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID 1d75276b-aab7-11e9-aad2-525400e8849e, cloud function service error code -504002, error message errCode: -4  | errMsg: system error: error code: -4; at cloud.callFunction api; 

    at new u (WAService.js:1)

    at d (WAService.js:1)

    at Object.t.returnAsFinalCloudSDKError (WAService.js:1)

    at Function.success (WAService.js:1)

    at WAService.js:1

    at E (WAService.js:1)

    at i.<anonymous> (WAService.js:1)

    at i.emit (WAService.js:1)

    at Ka (WAService.js:1)

    at WAService.js:1