Amazon API Gateway：通过 Postman 调用 API 时，响应正文未转换？

通过 AWS API Gateway 控制台执行测试时，我发现 Lambda 函数的输出响应已正确转换：

{
  "type" : "",
  "message" : "",
  "request-id" : ""
}

请参阅下面的日志：

Tue Sep 06 14:46:06 UTC 2016 : Endpoint request body after transformations: {}
Tue Sep 06 14:46:06 UTC 2016 : Endpoint response body before transformations: {"errorMessage":"501stef"}
Tue Sep 06 14:46:06 UTC 2016 : Endpoint response headers: {x-amzn-Remapped-Content-Length=0, x-amzn-RequestId=a4540f42-7440-11e6-90ce-214b29fcde38, Connection=keep-alive, Content-Length=26, Date=Tue, 06 Sep 2016 14:46:06 GMT, Content-Type=application/json}
Tue Sep 06 14:46:06 UTC 2016 : Method response body after transformations: {
  "type" : "",
  "message" : "",
  "request-id" : ""
}
Tue Sep 06 14:46:06 UTC 2016 : Method response headers: {Content-Type=application/json}
Tue Sep 06 14:46:06 UTC 2016 : Successfully completed execution
Tue Sep 06 14:46:06 UTC 2016 : Method completed with status: 501

但是，当通过带有标头的 Postman 调用 API 时：

Content-Type : application/json
Accept : application/json

没有发生输出转换，输出 JSON 消息只是：

{
  "errorMessage": "501stef"
}

部分相关Amazon APi 网关无法生成转换后的请求但这是关于Request.

在更改对外部可见之前，您需要部署API !