问微信小程序调用云函数失败，这个错误怎么解决？

日志内容 Request ID: cc337d56-980b-11e9-8a4a-525400681fe1

执行时间: 302.44ms内存使用: 16.79 MB

返回结果

{"errorCode":1,"errorMessage":"user code exception caught","stackTrace":"incorrect header check"}

日志

START RequestId: cc337d56-980b-11e9-8a4a-525400681fe1

Event RequestId: cc337d56-980b-11e9-8a4a-525400681fe1

ReadError: incorrect header check

at EventEmitter.emitter.on (/var/user/node_modules/got/source/as-promise.js:28:12)

at <anonymous>

at process._tickCallback (internal/process/next_tick.js:188:7)

END RequestId: cc337d56-980b-11e9-8a4a-525400681fe1

Report RequestId: cc337d56-980b-11e9-8a4a-525400681fe1 Duration:302ms Memory:256MB MaxMemoryUsed:16.789062MB