The GRPC request message parameter with post request is null

[l1honghui]

fail: Ocelot.GrpcHttpGateway.OcelotGrpcHttpMiddleware[0]
requestId: 0HLSG279IK3G9:00000002, previousRequestId: no previous request id, message: error in request grpc service.--grpc://127.0.0.1:50051/PlayerSearch/SearchTeam, exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentNullException: Value cannot be null.
Parameter name: message
at Google.Protobuf.ProtoPreconditions.CheckNotNull[T](T value, String name)
at Google.Protobuf.MessageExtensions.ToByteArray(IMessage message)
at Built.Grpcc.ArgsParser`1.<>c.<.cctor>b__2_1(T arg) in E:\workspace\lihonghui\csharp\Ocelot.GrpcHttpGateway\src\Ocelot.GrpcHttpGateway\Built.Grpcc\GrpcMethod.cs:line 40

[l1honghui]

request message is

{
  "Country": "cn",
  "ExpectedDataCount": 0,
  "Name": "afei"
}

[l1honghui]

the swagger is also bad , there are all post

[kingreatwill]

swagger is incomplete and it not support http post method. This is an experimental project.