我们的留言评论业务是用云函数开发的，流量大的时候，云函数总是报错，如下：

Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID 441106eb-384c-11ea-b563-525400235f2a, cloud function service error code -504002, error message errCode: -502001 database request fail | errMsg: [FailedOperation.ListTable] dial tcp 9.34.56.190:7043: i/o timeout; ↵Error: errCode: -502001 database request fail | errMsg: [FailedOperation.ListTable] dial tcp 9.34.56.190:7043: i/o timeout; ↵ at new CloudSDKError (/var/user/node_modules/wx-server-sdk/index.js:6395:28)↵ at Object.returnAsCloudSDKError (/var/user/node_modules/wx-server-sdk/index.js:6447:16)↵ at Object.checkError (/var/user/node_modules/wx-server-sdk/index.js:1678:23)↵ at Query.<anonymous> (/var/user/node_modules/wx-server-sdk/index.js:1744:41)↵ at step (/var/user/node_modules/tslib/tslib.js:136:27)↵ at Object.next (/var/user/node_modules/tslib/tslib.js:117:57)↵ at fulfilled (/var/user/node_modules/tslib/tslib.js:107:62)↵ at <anonymous>↵ at process._tickCallback (internal/process/next_tick.js:188:7); at cloud.callFunction api;

我们当前用的配置是：旗舰版 1 资源均衡型

@官方，这个该如何解决呢？

云开发工具中，数据库栏都报异常