[图片] 从昨天开始 就出现incorrect header 问题     确定不是代码的问题，求解答

[图片] [图片]

[代码]// 云函数入口文件[代码][代码]const cloud = require([代码][代码]'wx-server-sdk'[代码][代码])[代码] [代码]cloud.init({[代码][代码]    [代码][代码]env: cloud.DYNAMIC_CURRENT_ENV[代码][代码]})[代码] [代码]const db = cloud.database()[代码] [代码]// 云函数入口函数[代码][代码]exports.main = async (event, context) => {[代码][代码]    [代码][代码]const wxContext = cloud.getWXContext();[代码][代码]    [代码][代码]return[代码] [代码]await onAggr_All(event);[代码][代码]}[代码] [代码]async [代码][代码]function[代码] [代码]onAggr_All(event) {[代码][代码]    [代码][代码]const _ = db.command[代码] [代码]    [代码][代码]return[代码] [代码]await db.collection([代码][代码]'garbege'[代码][代码]).where({[代码][代码]        [代码][代码]gar_cls: _.all([[代码][代码]'1'[代码][代码], [代码][代码]'2'[代码][代码]])[代码][代码]    [代码][代码]}).get()[代码][代码]}[代码]下面是调用的返回内容： [代码]Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID 790098a8-de9c-11e9-b869-525400697544, cloud function service error code -504002, error message _.[代码][代码]all[代码] [代码]is [代码][代码]not[代码] [代码]a function; at cloud.callFunction api; [代码][代码]    [代码][代码]at new u (WAService.js:1)[代码][代码]    [代码][代码]at d (WAService.js:1)[代码][代码]    [代码][代码]at f (WAService.js:1)[代码][代码]    [代码][代码]at Function.success (WAService.js:1)[代码][代码]    [代码][代码]at WAService.js:1[代码][代码]    [代码][代码]at C (WAService.js:1)[代码][代码]    [代码][代码]at i.<anonymous> (WAService.js:1)[代码][代码]    [代码][代码]at i.emit (WAService.js:1)[代码][代码]    [代码][代码]at Rs (WAService.js:1)[代码][代码]    [代码][代码]at WAService.js:1[代码]调用日志是这样的： [代码]日志内容 Request ID: 790098a8-de9c-11e9-b869-525400697544[代码][代码]执行时间: 2.49ms内存使用: 35.58 MB[代码][代码]返回结果[代码][代码]{[代码][代码]"errorCode"[代码][代码]:1,[代码][代码]"errorMessage"[代码][代码]:[代码][代码]"user code exception caught"[代码][代码],[代码][代码]"stackTrace"[代码][代码]:[代码][代码]"_.all is not a function"[代码][代码]}[代码] [代码]日志[代码][代码]START RequestId: 790098a8-de9c-11e9-b869-525400697544[代码] [代码]Event RequestId: 790098a8-de9c-11e9-b869-525400697544[代码] [代码]TypeError: _.[代码][代码]all[代码] [代码]is [代码][代码]not[代码] [代码]a function[代码] [代码]    [代码][代码]at onAggr_All (/var/user/index.js:65:16)[代码] [代码]    [代码][代码]at EventHandler.exports.main [as realHandler] (/var/user/index.js:42:22)[代码] [代码]    [代码][代码]at EventHandler.handle (/var/runtime/node8/bootstrap.js:324:28)[代码] [代码]    [代码][代码]at invoke (/var/runtime/node8/bootstrap.js:128:22)[代码] [代码]    [代码][代码]at Timeout.setTimeout [as _onTimeout] (/var/runtime/node8/bootstrap.js:63:9)[代码] [代码]    [代码][代码]at ontimeout (timers.js:475:11)[代码] [代码]    [代码][代码]at tryOnTimeout (timers.js:310:5)[代码] [代码]    [代码][代码]at Timer.listOnTimeout (timers.js:270:5)[代码] [代码] [代码]  [代码]END RequestId: 790098a8-de9c-11e9-b869-525400697544[代码] [代码]Report RequestId: 790098a8-de9c-11e9-b869-525400697544 Duration:2ms Memory:256MB MaxMemoryUsed:35.578125MB[代码]

我现在有个业务需求，需要后台操作完成后主动推送消息通知小程序，有实现的思路吗