看相似的问题的帖子，要云端安装依赖就解决了，但是我云端安装依赖我都安装爆了，一直报这个问题。

Error: cloud.callFunction:fail -404011 cloud function execution error. 云函数执行错误

云端堆栈信息(error stack)(requestId d70b4303-af12-11eb-8085-525400cfdf74, callid 1620378101362-0.6922813382109865):

Runtime.ImportModuleError: Error: Cannot find module ‘tcb-router’

    at Object.module.exports.load (:28061/var/runtime/node10/UserFunction.js:35)

    at Runtime.handleOnce (:28061/var/runtime/node10/Runtime.engine.js:97)

    at Timeout.setTimeout [as _onTimeout] (:28061/var/runtime/node10/Runtime.engine.js:54)

    at ontimeout (:28061/appservice/timers.js:436)

    at tryOnTimeout (:28061/appservice/timers.js:300)

    at listOnTimeout (:28061/appservice/timers.js:263)

    at Timer.processTimers (:28061/appservice/timers.js:223)