云函数后台报错日志： 2019-11-01T03:15:08.827Z  gDate is: 2019-11-01T03:15:08.827Z 2019-11-01T03:15:08.827Z  lDate is: 2019-12-01T03:15:08.827Z 2019-11-01T03:15:08.890Z  { Error: errCode: -501007 invalid parameters | errMsg: [InvalidParameter] Check request parameter fail. Please check your request, but if the problem cannot be solved, contact us.; at new CloudSDKError (/var/user/node_modules/wx-server-sdk/index.js:6389:28) at Object.returnAsCloudSDKError (/var/user/node_modules/wx-server-sdk/index.js:6441:16) at Object.checkError (/var/user/node_modules/wx-server-sdk/index.js:1672:23) at Aggregate.<anonymous> (/var/user/node_modules/wx-server-sdk/index.js:1351:41) 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) errCode: -501007, errMsg: '[InvalidParameter] Check request parameter fail. Please check your request, but if the problem cannot be solved, contact us.; ' } END RequestId: cf12d219-fc55-11e9-945a-5254007aa7a1 Report RequestId: cf12d219-fc55-11e9-945a-5254007aa7a1 Duration:69ms Memory:256MB MaxMemoryUsed:36.683594MB 云函数代码为： [图片]