更新备注：的确使用了 promise.all + reduce 方法取出的全量数据，但是目前库里只有3条数据，还是会偶发性的报 -501004； 18:11 分 集中报了一波错，大概 14 条： {   "message": "errCode: -501004 exceed concurrent request limit | errMsg: [LimitExceeded.NoValidConnection] Connection num overrun. Please improve specifications, but if the problem cannot be solved, contact us.; ",   "name": "",   "stack": "Error: errCode: -501004 exceed concurrent request limit | errMsg: [LimitExceeded.NoValidConnection] Connection num overrun. Please improve specifications, but if the problem cannot be solved, contact us.; \n    at Object.returnAsCloudSDKError (/var/user/node_modules/wx-server-sdk/index.js:6052:16)\n    at Object.checkError (/var/user/node_modules/wx-server-sdk/index.js:1378:23)\n    at Promise (/var/user/node_modules/wx-server-sdk/index.js:1508:33)\n    at \n    at process._tickCallback (internal/process/next_tick.js:188:7)",   "userInfo": {     "appId": "wx4bfbc8e64eff19eb"   } } 然后登陆云函数后台查看日志发现，下面提示 日志内容 Request ID: 4c830adf-14b7-4fff-b2cd-3487add8034f 执行时间: 9372.41ms内存使用: 37.93 MB 返回结果 null 日志 START RequestId: 4c830adf-14b7-4fff-b2cd-3487add8034f Event RequestId: 4c830adf-14b7-4fff-b2cd-3487add8034f 2020-01-16T10:11:53.154Z Database operation database.queryDocument is longer than 3s. Please check query performance and your network environment. END RequestId: 4c830adf-14b7-4fff-b2cd-3487add8034f Report RequestId: 4c830adf-14b7-4fff-b2cd-3487add8034f Duration:9372ms Memory:256MB MaxMemoryUsed:37.929688MB 大概从 17: 57 开始，执行时间由 70ms 升到 3、4 秒，中间甚至十几秒，到 18: 11 分后定时任务停止。 [图片][图片][图片]

wx.chooseLocation传入目标地经纬度后，在安卓机上显示的距离不正确，距离一万多公里，苹果机上正常； 使用方式如下： 方法：wx.chooseLocation({latitude:22.71991,longitude:114.24779}); 不穿目标地经纬度；安卓机：正常；苹果机：正常； 传入目标地经纬度：安卓机：地图显示正常，列表距离不正常；苹果：均正常； 图片： [图片] [图片]