grpc: Failed to deserialize response message.

What version of gRPC and what language are you using?

C#

What operating system (Linux, Windows,…) and version?

Windows 7 x64

What runtime / compiler are you using (e.g. python version or version of gcc)

.net 4.6

What did you do?

source code

What did you expect to see?

normal return rpc

What did you see instead?

Grpc.Core.RpcException: Status(StatusCode=Internal, Detail="Failed to deserialize response message.")
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Grpc.Core.Internal.AsyncCall`2.UnaryCall(TRequest msg)
   at Grpc.Core.DefaultCallInvoker.BlockingUnaryCall[TRequest,TResponse](Method`2 method, String host, CallOptions options, TRequest request)
   at Grpc.Core.Interceptors.InterceptingCallInvoker.<BlockingUnaryCall>b__3_0[TRequest,TResponse](TRequest req, ClientInterceptorContext`2 ctx)
   at Grpc.Core.ClientBase.ClientBaseConfiguration.ClientBaseConfigurationInterceptor.BlockingUnaryCall[TRequest,TResponse](TRequest request, ClientInterceptorContext`2 context, BlockingUnaryCallContinuation`2 continuation)
   at Grpc.Core.Interceptors.InterceptingCallInvoker.BlockingUnaryCall[TRequest,TResponse](Method`2 method, String host, CallOptions options, TRequest request)
   at v2rayN.Protos.Statistics.StatsService.StatsServiceClient.QueryStats(QueryStatsRequest request, CallOptions options)
   at v2rayN.Protos.Statistics.StatsService.StatsServiceClient.QueryStats(QueryStatsRequest request, Metadata headers, Nullable`1 deadline, CancellationToken cancellationToken)
   at v2rayN.Handler.StatisticsHandler.Run()

Anything else we should know about your project / environment?

in Windows 10 x64 .Net 4.6 everything was ok, but windows 7 x64 .Net 6.4 will raise an exception