问使用protoc gen-grpc-网关生成代码时出错

EN

proto/helloworld/hello_world.pb.gw.go:64:2: cannot use msg (type *HelloReply) as type protoreflect.ProtoMessage in return argument:
        *HelloReply does not implement protoreflect.ProtoMessage (missing ProtoReflect method)
proto/helloworld/hello_world.pb.gw.go:98:2: cannot use msg (type *HelloReply) as type protoreflect.ProtoMessage in return argument:
        *HelloReply does not implement protoreflect.ProtoMessage (missing ProtoReflect method)

module github.com/riccardopedrielli/grpc-gateway-test

go 1.15

require (
    github.com/golang/protobuf v1.4.3
    github.com/grpc-ecosystem/grpc-gateway/v2 v2.2.0
    google.golang.org/genproto v0.0.0-20210207032614-bba0dbe2a9ea
    google.golang.org/grpc v1.35.0
    google.golang.org/protobuf v1.25.0
)

syntax = "proto3";

package helloworld;

import "google/api/annotations.proto";

option go_package = "github.com/riccardopedrielli/grpc-gateway-test/proto/helloworld";

// Here is the overall greeting service definition where we define all our endpoints
service Greeter {
  // Sends a greeting
  rpc SayHello (HelloRequest) returns (HelloReply) {
    option (google.api.http) = {
      get: "/v1/example/echo/{name}"
    };
  }
}

// The request message containing the user's name
message HelloRequest {
  string name = 1;
}

// The response message containing the greetings
message HelloReply {
  string message = 1;
}