错误日志：

Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID d89f3fc7-0f26-11ec-bf28-1e91c1a398bb, cloud function service error code -504002, error message Error: collection.aggregate:fail -501001 resource system error. [FailedOperation.Timeout] Execution request timeout, Please check optimize your request(such as index), but if the problem persists, contact us.
    at Object.toSDKError (:25279/var/user/node_modules/wx-server-sdk/index.js:8089)
    at Object.checkError (:25279/var/user/node_modules/wx-server-sdk/index.js:1422)
    at Promise (:25279/var/user/node_modules/wx-server-sdk/index.js:1161)
    at process._tickCallback (:25279/appservice/internal/process/next_tick.js:68); at cloud.callFunction api; 
    at new g (VM206 WAService.js:2)
    at c (VM206 WAService.js:2)
    at I (VM206 WAService.js:2)
    at Function.success (VM206 WAService.js:2)
    at C (VM206 WAService.js:2)
    at VM206 WAService.js:2
    at u (VM206 WAService.js:2)
    at Function.<anonymous> (VM206 WAService.js:2)
    at C (VM206 WAService.js:2)
    at VM206 WAService.js:2(env: macOS,mp,1.05.2107090; lib: 2.14.1)

云函数设置了超时60s，不起作用，运行了大概5秒就报错。